Phabrix SxTAG, PHSXAES Operation Manual

®
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
PHABRIX

SxTAG Operation Manual

Software Release 1.02
Manual Revision 3
®
PHSXT-200 3
Copyright © PHABRIX Ltd 2014
Contents
About this Manual
Notice
The information in this document has been produced by PHABRIX Ltd with care and is believed to be accurate. PHABRIX Ltd does not assume responsibility for loss or damage resulting from errors, omissions or inaccuracies herein. This document is subject to change and revisions may be made and issued to include such changes.
No part of this document may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, recorded or otherwise without the prior written consent of PHABRIX Ltd.
Copyright © PHABRIX Ltd. All rights reserved. Software products licensed are owned by PHABRIX Ltd and are protected by international treaty provisions and national copyright laws.
Revision
This manual is a revision controlled document. Any changes to any page content will be reflected in the overall revision status of the whole manual.
Revision Date Software Version Comment
1 28/02/2014 0.12.0024 First release of manual
2 15/07/2014 1.01.12275 Full product release
3 12/11/2014 1.02.12980 Power management
Phabrix® Limited
ii PHSXT-200 3Contents 11/14

Getting Started

Package Contents

The shipping box should contain the following:
1 black carrying bag containing:
PHABRIX SxTAG unit
Power Supply Unit
Mains lead
CD Manual
The shipping box will also contain this Manual on a CD, note that the Web Site always contains the latest version of the manual. The version of software that this manual supports is on the front page.

General Safety

Avoiding Personal Injury
Contents
This instrument is designed for use by qualified personnel only.
No user serviceable parts are provided. Units should be returned to your local PHABRIX agent for servicing.
The Operator should NOT remove the case from the unit.
Do not spill any liquid onto the unit or its power adaptor.
Do not look directly into the fibre optic connections of cable as this may cause
permanent damage to the eye.
Power Supply
Make sure that the unit is connected to the correct power supply voltage. A power supply adaptor is supplied with the unit which may be connected to any AC power supply between 100 and 240VAC at 50-60Hz. Only the supplied power adaptor should be used with the unit. Do not use a damaged AC cable with the unit as it may cause a shock or fire hazard. Replacement AC cables are available from your local PHABRIX agent.
SxTAG Operation Manual iiiPHSXT-200 3
Contents

Installation Environment

Operating Temperature
The unit should only be operated between 0 and 40 °Centigrade. If the unit is
operated at a higher temperature there is a possibility of a fire hazard. If the temperature is changed rapidly from a cold environment to a hot environment, moisture can be created internally which can cause malfunction or damage the unit. Allow the unit to sit for 30 minutes without power applied to reduce any possibility of condensation. If the temperature rises above 60°Centigrade a warning dialog will be given. If the temperature rises above 65°Centigrade the unit will be turned OFF. Under both conditions, an event will be added to the event log to show what happened.
Input/Output Terminals
Do not connect the input or output BNC connectors to external power as this can damage the internal circuitry and cause the unit to work incorrectly.
The BNC connectors fitted on this unit are 75Ω type which are not compatible with 50Ω plugs.
The use of 50Ω plugs will permanently damage the connectors on the unit. The
use of 50Ω plugs is considered to be misuse of the equipment and will therefore invalidate the unit’s warranty.
SFP Cage
When the SFP cage is fitted, either an SFP or a bung must be fitted in the SFP
cage at all times to prevent the SxTAG overheating.
When Not In Use
Disconnect the unit from the power supply and AC power source when not in use.
Maintenance
Wipe the case, and knobs gently with a soft cloth, lightly dampened with a neutral cleaning agent. A screen cleaning cloth may be used to clean the LCD. Do not apply force to the LCD when cleaning or it may be damaged.
Remove the power supply from the unit and turn OFF before cleaning. Do not
allow any water or other liquid to enter the unit while cleaning.
iv PHSXT-200 3Contents 11/14

Disposal of Equipment

This product is subject to the European WEEE (Waste Electrical and
Electronic Equipment) directive and should be disposed of according to the regulations of each country.
Contents
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Contents
Contents
Getting Started iii
Contents
Package Contents
General Safety.............................................................................................................iii
Avoiding Personal Injury Power Supply
Installation Environment
Operating Temperature Input/Output Terminals SFP Cage When Not In Use Maintenance
Disposal of Equipment
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Description
SxTAG Instrument 1–3
Overview Turning on and off the instrument Menu Operation
SxTAG Software Options
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Main Menu Instrument Status Using the Menus Input / Output Selection
Overview SDI data stream analysis Command scripts with print report
Enhanced remote control........................................................................................ 1–8
2K-SDI Option Ancillary Data status Dolby bit-stream Analyzer Dolby bit-stream Generator AES Eye
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SxTAG Operation Manual viiPHSXT-200 3
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Menu Reference
Generator Menu 2–3
Contents
Video Out (Generator Option)
Output Standard Colour Format EDH Errors SMPTE 352 Pattern Ident Sx 2K-SDI Option
Genlock Menu
Source Reference Out Delay
Audio Group Menu
Group n Master Analog o/p AES o/p
Dolby (Dolby Generator Option)
Overview Dolby E Dolby Digital Dolby Digital Plus Dolby E Synchronisation - Generator Reference Editing Program Information Program Meta Data Editing Default Program Meta Data Embedding Dolby on SDI Stream Embedding Dolby Signals on AES Stream
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Analyzer Menu 2–17
Overview Picture
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Analyzer Source Selection Sample, Line and Field Selection Aspect Ratio
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Zoom Active Picture Cursor Composite Input Termination
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Blue
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Waveform Monitor ......................................................................................................2–20
Analyzer Source Selection Sample, Line and Field Selection Waveform Type Magnification Cursors Setup Button Dialogue External Reference
Vectorscope
Analyzer Source Selection Sample, Line and Field Selection Magnification Graticule Setup Button Dialogue Composite Subcarrier Phase Alignment
Signal Data
Analyzer Source Selection Type
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Signal Information Menu 2–27
Contents
Overview Video Status
MISC Status
Video Timing ANC Status (ANC Option) ANC Inspector (SDI Data Option)
SFP Info
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EDH/CRC ERRORS EDH DATA Cable Length Active Picture CRC
Payload ID – SMPTE 352 Video Format
ANC Inspector Setup Error Triggers
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Audio Menu 2–35
Meters Audio Status Dolby Status (Dolby Analyzer Option)
AES Eye (CVBS In) Option
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Overview Dolby E Dolby Digital Dolby Digital Plus Analyser Reference Source selection Dolby E Framing Values Dolby E Programme configuration Dolby Digital Programme configuration Dolby Digital Plus Programme configuration Programme Metadata Peak Metering
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System Menu 2–45
Memories
Saving Memories Recalling Memories Renaming Memories Adding Additional Memories Clearing Memories Exporting Memories Disk Space
Command Scripts
Steps, Actions and Parameters Creating Command Scripts Editing Command Scripts Running a Script
Network
Remote Control of Sx Instrument (Cost Option)
Misc
Changing The Date/Time Changing the Date Format: Setting LCD Brightness Setting Screen Saver Mode Setting User Language Changing Options Security Code
Utils
Dealer Features Hardware Status System Temperature Voltages
Engineer...................................................................................................................... 2–53
Clear Memories Default Settings SDI In - SFP Out Set User Login Adding/Deleting Users Editing The Prompt Text Software Upgrade CVBS Out Gain CVBS Inputs Audio Calibration
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Logging Menu 2–57
Overview Event Log
Log Setup.................................................................................................................... 2–58
Log ANC Status
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Audio Thresholds Video Status AES Status Dolby Status (Requires Dolby Analysis Option) Logging Log Time Limit
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Speaker Menu 2–61
Overview
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Glossary
Glossary of Terms A–3
Specification
SxTAG Instrument B–3
Contents
Operating Environment Expected Behavior
LCD Monitor LCD Flicker Remote Network Operation
Dimensions Front Panel BNC Panel
SDI I/O PAL/NTSC Out PAL/NTSC (AES Eye) IN REF I/O ( SFP Cage (Option)
Control Panel
Power Connection Networking Audio I/O Connector Analogue Balanced Audio Input (15-Way Connector) Analogue Balanced Audio Output (15-Way Connector) Analyzer AES Input (15-Way Connector) Generator AES Output (15-Way Connector) Headphone Output Local Control
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Supported Video Formats B–9
SD 270 Mb/s HD 1.485 Gb/s (SMPTE 292M) Dual Link 1.485 Gb/s (SMPTE 327M) 3G Level-A 2.97 Gb/s (SMPTE 425M-A) 3G Level-B 2.97 Gb/s (SMPTE 425-B) 2K-SDI Formats Option
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Maintenance
Warranty C–3
Overview Warranty Exceptions Product Registration
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Maintenance C–5
General Maintenance Preventative Maintenance
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Software Maintenance C–7
Installing New Software
Software Download from Internet FTP Transfer from a connected PC
Reverting to a Earlier Version of Software Sx File Structure
Patterns Scripts Setup Idents Fonts
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PHABRIX
®
®
broadcast excellence
1
Description
SxTAG Operaon Manual 1–1PHSXT-200 3
Description
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SxTAG Instrument

Overview

Configured as an entry level portable analyser, the TAG can be easily upgraded using a range of software options to provide a sophisticated instrument for testing broadcast infrastructures.
The PHABRIX® TAG has been created to incorporate new interfaces that appeal to customers looking for a cost effective entry into professional test and measurement.
The PHABRIX® TAG includes support for SD-SDI and HD-SDI as standard with the option to upgrade to 3G-SDI (Level A and Level B).
Composite analysis and generation has been incorporated to support those regions making the transition between analogue and digital television.
An SFP cage has been integrated into the design principally for optical infrastructure testing, however, the cage will support a wider range of SFPs as they become available. Composite locking reference generation and input reference waveform analysis have also been included.
For audio support the PHABRIX® TAG provides a D15 breakout connector providing both balanced analogue and AES input/output. AES waveform display allows a visual check of levels and reference lock. Advanced audio features including Dolby® E, Dolby® Digital and Dolby® Digital Plus are supported allowing TAG to be considered as a replacement for the discontinued Dolby® DM100.
Description
Power On/Off
Internal Speaker
Menu Buttons
Cursor/OK Buttons

Turning on and off the instrument

To turn on your PHABRIX SxTAG Instrument press the red button at the top right hand corner of the front panel.
Once the system has started, pressing the button again will turn it off. If for some reason the instrument stops responding, pressing and holding the button for a few seconds will turn it off.
The unit is battery operated and the battery should last for between 3 and 6 hours dependent on which video standard is being used and whether the input and outputs are active. If the unit is turned ON and the battery is almost discharged, it will turn itself OFF. If the battery level starts to get too low for operation a dialogue will be displayed prompting the user to turn off the unit. The current settings will also be saved. The unit should then be connected to the power supply unit as soon as possible to recharge the battery. The battery should be fully
charged in about 4 hours. The battery will charge faster if the unit is turned off while charging.
SxTAG Operaon Manual 1–3PHSXT-200 3
Description

Menu Operation

Main Menu
The Main menu, displayed on the OLED screen gives access to the software modules available on the SxTAG instrument. The buttons beneath the screen correspond to the menu areas. Pressing on any of these buttons will display the corresponding menu.
This page displays an overview for the system. It shows the video input and output standards and frame rate. The audio status for the generator shows which audio groups are being generated whilst the audio status for the input shows which groups are present and an overview of the channel status for each audio channel.
Audio channel status is displayed as:
‘P’ if PCM audio is present,
‘N’ if NON-PCM audio is present,
‘E’ if Dolby-E packets are present
‘D’ if Dolby-Digital packets are present
‘+’ if Dolby-Plus packets are present
V if the validity bit is set
Dolby-E program configuration and Timing status is also displayed if the Dolby-E analysis option has been purchased and a Dolby-E signal has been detected on the selected input. If the generator is generating errors then the video standard is displayed in red. If the input detects errors, then the input standard will be displayed in red if the analyser is monitoring the input.
If the unit is connected to the network, the current TCP/IP address of the unit is displayed in the Remote Control box. If the unit is NOT connected to a network and is set to DHCP mode, it will show ‘acquiring’ to show that the connection hasn’t been made yet. The model type is
displayed at the bottom right corner of the screen.
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Instrument Status
The top line of the menus shows the unit status and includes the Input Video status, Genlock status, battery status and current time. If the unit is being powered by the AC adaptor, the battery status will not be shown. If a command script is being run, this is shown on the top line to the left of the time as “Script”. A red “Log” is shown on the status line if there are any events in the event log.
A red “Log” is shown on the status line if there are any events in the event log.
If a 3G video standard is selected the video standard display will be shown as 3GA if it is a 3G-Level A standard, 3GB if it is a 3G-Level B dual link standard, 3G2 if it is a 3G-level B dual stream (two patterns) standard or DL if it is a dual link output.
The input video standard will be shown in red if the input signal has errors, but only if the analyzer is connected to the input. If the analyzer is set to monitor the output, the input standard will be shown in brown.
The output standard will be shown in red if the instrument is generating errors. The output standard will show OFF if the generator output is Off.
Using the Menus
The Main menu is the top level menu from which all other menus are selected on the SxTAG instrument. The main menus are:
Description
Generator allowing the unit to be locked to an external reference and providing a
fully populated Composite, SD-SDI, HD-SDI and Fibre video test pattern generator and audio tone generator if the Generator option is installed.
Analyser allows the selected Composite, SDI or Fibre input signal to be analysed in
the form of a Picture, Waveform monitor and Vectorscope.
Sig Info allows detailed signal information about the video and audio status for the
SDI or Fibre video input source to be displayed.
Audio gives access to the Audio Meters and Audio Status displays allowing the
levels of the embedded SDI audio, AES audio and analogue audio to be displayed.
System allows the setup of system wide settings including memories, date/time and
software.
Logging selects the logging page to view and setup the error logging system.
Speaker selects the speaker/headphone setup page to allow the selected embedded
SDI audio, AES audio and analogue audio to be heard.
See chapter 2 : “Menu Reference” for full details of these menus.
The Menu buttons select which instrument is in use as well as selecting the options for the instrument. The bottom of the display shows the function of each Menu button.
When in a specific function eg Generator, Analyser etc, the cursor controls () on the right hand of the instrument select a field to edit. The current field has a red box around it. Pressing the OK button starts or ends editing of that field. Check boxes are always in edit mode and pressing the OK button inverts the current state.
When editing some types of fields, the menu buttons at the bottom take on different functionality to allow cancelling edit mode or setting the value for the field. When lists of options are displayed the menu buttons allow selection of the first/last item in the list as well as paging through the available options. If the list of items is small, the available items may be displayed on the menu buttons for instant access.
SxTAG Operaon Manual 1–5PHSXT-200 3
Description
The buttons along the bottom of the display change the currently displayed page when not editing a data field. The left hand button always selects the top level menu and system overview page. So for example pressing the first button will select the “Main Menu”, selecting the second button will select the “Generator” menu, selecting the third button with select “Analyser”, etc.
Input / Output Selection
The SxTAG has 2 bidirectional BNC connections, one for Reference input / output and the other for SDI video input / output.
The direction of SDI I/O connection is selected on the Main Menu using the drop down lists as well as in the “Output” section of the “Generator” - “Video Out” menu. Note that if the Generator software option is not installed then this connection will be an input.
The direction of the “Ref I/O” connection is selected on the Main Menu using the drop down list or in the “Reference Out” section of the “Generator” - “Genlock” menu where it is controlled by the “On” check box.
The input to be monitored using the Analyser can be selected in the drop down list in the bottom right corner of the Picture, Waveform, Vectorscope, Signal Data and other Instruments.
If an SFP module is fitted the SPF Input can also be selected from this drop down list to be monitored using the Analyser.
Both AES and Analogue audio output can be enabled using the drop down menus on the Main Menu.
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SxTAG Software Options

Overview
The SxTAG instrument has a range of software options that can enhance its functionality for specific applications.
The Generator option (PHSXT-GEN) allows the creation of video test signals for analogue composite video, SD-SDI and HD­SDI video as standard. 3G-SDI, 2K SDI and Fibre video functionality can be purchased as additional options. The Generator option also allows the generation of both analogue and digital audio test tones and allows the unit to be locked to an external locking reference.
SDI data stream analysis
The SDI analysis option (PHSXOSD) provides the engineer with a detailed view of the data words contained within the SDI stream. This allows the analysis of complex faults and is particularly useful when determining compatibility issues between equipment and when debugging new product developments particularly in a R&D environment. Detail within the active SDI stream can be viewed with continuous update.
Description
The SDI Analysis option provides the following functional areas:
Grid displays the SDI data in the form of an array.
Stream allows the SDI continuous data stream to be viewed.
Component allows the video components to be displayed in separate columns.
Splt allows the video components to be display individually.
Ancillary Data allows the user to capture whole Ancillary data packets identified by their
data id (DID).
Ancillary Status allows additional ‘user defined’ selections with the appropriate DID or SDID
code.
Access to the SDI analysis functionality is via the Analyser - Signal Data menu. See the “Analyser - Signal Data” section in chapter 2 for full details.
SxTAG Operaon Manual 1–7PHSXT-200 3
Description
Command scripts with print report
Applications include repeated test sequences as required by manufacturer Test Departments, R&D Departments, Systems Integrators and Commissioning/Support Engineers.
A script requires a set of memories to configure the unit and then a script file which recalls those memories and specifies times and actions for each step. The process of creating a command script requires these two files to activate the sequence.
Additionally a script can be created as a simple text file on a PC and then transferred to the unit via Ethernet and recalled at any time. A large number of named scripts and memories may coexist within the instruments store to be recalled as required.
Access to the Command Scripts functionality is the “System” - “Command Scripts” menu. See chapter 2 for details.
The Command Script option (PHSXOS) allows a series of predefined actions to be run through within the PHABRIX Sx using a script stored in internal memory.
The command scripts option can be used to automatically step through a sequence of instrument states, controlling the generator, analyser and logging functions. If required the instrument will prompt the user before going onto a subsequent state.
Enhanced remote control
The Enhanced remote control option (PHSXOR) gives users full remote control of the unit via TCP/IP Sockets to allow any aspect of the unit to be modified or queried.
This allows complex applications to be created to perform test and measurement functions such as automated testing of routers or other broadcast equipment.
PHABRIX products act as a server and listen on a port waiting for incoming requests from clients such as a PC. Using this method of communication the Sx range can provide a variety of information to the control device it is connected to and be controlled in specified areas of the product using the command details included. All visual controls on the product have an associated command.
Messages may be sent to ‘set’ or ‘get’ data from a command ie if you ‘set’ a value the unit will be configured accordingly and a reply returned and if you ‘get’ a value from the PHABRIX unit it will reply with that value. All messages are acknowledged to increase the security of the interface ie closed loop communication.
The control structure can be selected as Passive or Active. Passive control allows simple remote control where the host PC is in control and sends commands when it wants to change data or get information. It is this method which is the most popular use for remote control.
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Active control is when the PHABRIX unit synchronizes with the host PC. Any changes on the PHABRIX unit will result in a message being sent to the host PC. This method is useful for controlling a PHABRIX unit from another unit or via the PC simulator software. It requires more complex software on the host to respond to the returned messages.
The option provides a programming guide with command information and examples on a CD. A Windows™ application for testing the interface is also provided as part of this option.
See the Remote Control Guide for details
Programmable zone plate
The Programmable zone plate option (PHSXOZ) adds a range of pre-programmed zone plate patterns along with user defined controls over several parameters which can be saved to custom buffers.
Using the Main menu>memories window, multiple saves of zone plates can be saved to the system by checking the video box and saving by name. In use the zone plate can be used to test a range of video processing requirements using horizontal, vertical and temporal (time) controls. Temporal control is particularly useful for testing up/down converters and applications which compress signals.
Description
Aspect ratios can be tested using the horizontal and vertical controls. Frequency sweep is particularly useful and also available using this option. By feeding in the signal generated, the output of the device can be sent back into the Sx instrument’s waveform monitor to determine the usable bandwidth of the system. Once purchased, the zone plate editor is reached by selecting the button next to the standard zone plate.
Advanced formats
This option (PHSXOF) provides advanced formats include 4:2:2 YUV, 4:4:4 RGB and 4:4:4 YUV at 10/12 bit and 3G level A and B. For broadcast manufacturers this option allows rigorous testing of many more formats beyond the standard signals used in traditional broadcasting.
For broadcast manufacturers this option allows rigorous testing of many more formats, beyond the standard signals used in traditional broadcasting. Among the support for 3G level B on the SxTAG and SxTAG is the ability to generate and analyse signals such as SMPTE 425-B carrying 1 x 372M dual link payload.
Uniquely the PHABRIX units create three pathological signals in all formats which will be of great interest to broadcast manufacturers. The first is as defined in SMPTE RP198 and is the split field signal with the equaliser test in the first half and the PLL test in the second half. The second and third are separate full-frame EQ test and PLL tests signals. To maintain a regular parity distribution and mitigate any DC offset, the EQ part of the pattern inverts a bit at the start of the first line in each alternate frame. This is the form of 3G Level B Pathological signal that many video manufacturers are adopting as their test signal of choice as it stresses electronic circuits more thoroughly.
SxTAG Operaon Manual 1–9PHSXT-200 3
Description
2K-SDI Option
This provides analysis of, and test pattern generation for, 2K digital cinema as defined in the SMPTE ST 2048-2:2011 standard (“2048 x 1080 Digital Cinematography Production Image FS/709 Formatting for Serial Digital Interface”) and SMPTE 428-9 (D-Cinema Distribution Master - Image Pixel Structure Level 3 - Serial Digital Interface Signal Formatting).
Ancillary Data status
This option (PHSXO-2K) supports the new SDI practice for HD and 3G Level A and Level B signal transfer of 2K advanced formats including 4:2:2 Y’C’bC’r, 4:4:4 R’G’B’ and 4:4:4 Y’C’bC’r at 10/12 bit as well as 4:4:4 X’Y’Z’ at 12-bit. For broadcast manufacturers this option allows rigorous testing of many more formats beyond the standard signals used in traditional broadcasting.
The Ancillary Status option (PHSXOVNC) provides broadcasters, studios, OB and broadcast manufacturers with a detailed analysis of the ancillary data present in a SDI signal.
A simple grid layout provides a quick view check for an engineer of the available vanc/anc ancillary data. The packet type is then displayed as present, absent or red if in fault. Simple icons next to the packet indicate the fault. Each ancillary packet available from the grid view can be set to enable logging and then presented together with other information in the events window of the logging menu.
This option further allows additional ‘user defined’ selections with the appropriate DID or SDID code. Any ancillary packet code can be saved down for future recall. Please note this option does not fully decode the ancillary data. It is used to identify if the packet is present in the signal.
Dolby bit-stream Analyzer
The Dolby bit-stream Analyzer option (PHSXOBD-A ) displays Dolby E, Dolby Digital and Dolby Digital Plus metadata present in a selected audio stream and determines whether the Dolby E packet is timed correctly on the SDI video stream. The Dolby audio may be monitored from any of the SDI input embedded audio channel pairs or the AES input. Peak audio levels are also displayed for Dolby E.
The start menu window displays both the V Bit information and PCM values along with a snapshot of the Dolby audio metadata if a Dolby is present. Using the Signal Information ­Dolby menu will present the full analysis display which forms the major analytical tool for this option.
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The Dolby metadata screen carries primary information including signal source, Dolby-E ‘guard band’ timing, CRC errors, program channel and metadata detail. The characters shown in white will only be presented when a Dolby signal is introduced into the unit.
Peak audio levels included in the Dolby E meta data packet are displayed allowing the user to select the appropriate set of meters to display Dolby levels which will follow the selected Dolby source. Logging for Dolby errors, Dolby E Timing, Common metadata and Program metadata can be also be controlled.
Note: this option does NOT decode Dolby audio
Dolby bit-stream Generator
The PHABRIX Sx Dolby bit-stream generator option (PHSXOBD-G) uniquely adds significant Dolby E, Dolby Digital and Dolby Digital Plus metadata generation features to the Sx range.
The Dolby generation option provides broadcast engineers with a highly functional set of tools for Dolby E, Dolby Digital and Dolby Digital Plus streaming. It is unique in being the world’s first metadata Dolby generator with editable profiles.
Description
With a selection of Dolby streams to choose from, engineers can quickly enter and adjust parameters to check broadcast infrastructure.
This option allows the display of Dolby metadata present in a selected audio stream and determines whether the Dolby E packet is timed correctly on the SDI video stream.
Dolby streams are provided for all program configurations with fixed audio data. Among the tools included in the Dolby E streaming option is the ability to adjust the ‘start of frame’ for Dolby E packets.
The generated Dolby audio follows the video generator reference source. There is also the ability to edit the program configuration and bit depth with fixed audio signal. The PCM stream can be carried on any embedded or AES pair. The option can sets the video line number where the internally generated Dolby audio test stream begins. Metadata can be edited by the user and stored in memories.
Purchased in combination with the Dolby analysis option PHSXOBD-A will allow a closed loop test scenario with both generation and analysis toolsets.
Note: this option does NOT generate Dolby audio.
AES Eye
It can be difficult to check that the AES audio signal is correctly locked to the studio reference. The AES Eye Option allows the AES waveform to displayed on the unit. If the studio locking reference is also connected to the unit, then the AES Eye waveform can be displayed locked to this reference.
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Description
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2
Menu Reference
PHSXT-200 3
SxTAG Operation Manual
2–1
Menu Reference
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Generator Menu

Video Out (Generator Option)

If the SxTAG instrument has the Generator option (PHSXT-GEN) installed it can create video test signals for all supported SD and HD SDI output standards including the 3GHz standards at 1080p/50/59/60. It will support Y,Cr,Cb formats as well as RGB formats.
Output
The check boxes in the Output section enable the output of the generated test pattern.
Menu Reference
SFP - enables the SD, HD or 3G test pattern on a supported small form-factor pluggable device fitted in the SFP cage.
SDI - enables the SD, HD or 3G test pattern on the SDI I/O BNC connector and turn of the SDI analyser input.
CVBS - enables PAL (625i 50) or NTSC (525i 59) test patterns on the PAL/NTSC Out BNC connector.
Standard
The menus in the Standard section are used to select the desire video output format. The top­left box selects the basic mode of the Sx instrument and determines the video format to be generated from the choice of SD-SDI, HD-SDI, 3G-Level A, 3G-Level B and SD-CVBS (PAL/NTSC)
When one of the SDI formats is selected only valid colour formats and frame rates for the output standard may be selected.
When CVBS is selected the menus in this section control the type of 625i and 525i line encoding of the generated Composite video output:
PAL-I - 625i @ 50 fps with 4.433 MHz colour subcarrier
PAL-N 625i @ 50 fps with 3.582 MHz) colour subcarrier
PAL-N (ARG) - 625 @ 50 fps with 3.582 MHz colour subcarrier
PAL-M - 525i @ 59.95 fps with 3.575 MHz colour subcarrier
NTSC-M - 525i @59.95 fps with 3.579 MHz) colour subcarrier with 7.5 IRE setup
NTSC-M (Jp) - 525i @59.95 fps with 3.579 MHz) colour subcarrier without setup
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Menu Reference
Colour Format
Currently only YCbCr 4:2:2 10 bit picture formats are supported by the standard product but an Option may be purchased to enable other colour formats. The following colour modes may be selected dependent on line standard selected and option installed:
The Advanced Formats option (provides advanced formats including 4:2:2 YUV, 4:4:4 RGB and 4:4:4 YUV at 10/12 bit and 3G level A and B. The 2K-SDI formats option supports the new SDI practice for HD and 3G Level A and Level B signal transfer of 2K advanced formats including 4:2:2 Y’C’
EDH
If the output signal is SD (PAL-625 or NTSC-525) the insertion of EDH information may be turned on or off.
YCbCr 422 10bit YCbCr 444 12bit YCbCr 444 10bit YCbCrA 4444 10bit YCbCr 422 12bit RGB 444 10bit RGBA 4444 10bit RGB 444 12bit XYZ 444 12bit
bC’r, 4:4:4 R’G’B’ and 4:4:4 Y’C’bC’r at 10/12 bit as well as 4:4:4 X’Y’Z’ at 12-bit.
Errors
This field enables the insertion of CRC or EDH errors into the video signal. This allows checking of third party error detection circuitry. In SD there is one EDH ancillary packet per field. When errors are being inserted every EDH value gets deliberately corrupted. This creates one error count per field. (Actually one AP error and one FF error). In HD there is a CRC value calculated for each line. When errors are being inserted the CRC value on line number 1 gets deliberately corrupted. This creates one CRC error count per frame. There is also the option to generate CRC errors (not SD EDH errors) on only the switching line in field 1 which can be used to check that any downstream equipment ignores errors on switching lines.
SMPTE 352
This checkbox allows the SMPTE 352 Payload ID field to be inserted into the video output stream. The state of this check box is stored separately for SD, HD and HD-3G line standards. Note that for HD-3G line standards the Payload ID should be turned ON.
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Pattern
This selects the video pattern that is output by the generator. Many standard patterns are provided by the Sx instrument. You may also upload your own test patterns to the Sx instrument into the ‘Patterns’ directory and then select them using the ‘User File’ option in this field. See the ‘File Structure - Patterns’ section for file formats supported. If a ‘User File’ has been selected, the ‘i’ button beside the file can be selected to get information on the file properties. Unsupported file types will be displayed as a black image. If the video standard is changed while a user file is loaded and there is no file for the new standard present, a black image will be loaded and the User File blanked.
If Check field/Pathological is selected when a dual stream format has been
selected, BOTH outputs will be forced to check field due to internal hardware limitations. If another pattern is selected, the Check field pattern will be de­selected. The exceptions to this are when Colour Field or Zone Plate are selected as test patterns.
The Check field/Pathological/PLL Check/EQ Check patterns will only look like the picture above when a YCbCr 422 10 bit colour mode is selected. Other colour modes will have different pictures but still create the SDI data stream required by SMPTE.
A bouncing Box may be overlaid on the current test pattern by selecting the “Box” check box.
Menu Reference
100% Bars
Check-field Pathological
Legal Ramp
Bowtie
Grey Bars - 11
Black, Red, Green, Blue, Yellow, Cyan, Magenta, White, Custom
Colour Field
75% Bars
EQ Test
Valid Ramps
Tartan Bars
Grey Bars – 11 ­vertical
Downloadable files in bitmap(.bmp), 10bit DPX/YUV (.dpx, .yuv), Targa (.tga) and Phabrix .pat/.rgb/.yc4 compressed files User File
75% Bars + Red
PLL Test
Multi-Burst
Grey Bars - 5
SMPTE 219/ARIB-28 Bars – 3 variants
SMPTE Bars
Luma Ramp
Pluge
Grey Bars – 5 -vertical
Zone plate
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Menu Reference
Colour Field If colour field is the selected test pattern, another control selects which
Zone Plate A basic zone plate generator is supplied with all Sx instruments. The zone
colour to generate. Three user definable custom colours may be defined using the “->” button. Custom colours are edited using the Red-Green-Blue sliders. When setting the colour using the RGB sliders, the YCbCr values will show the values for the current colour space. When setting the colour using the YCbCr sliders, the RGB values will show the values for the current colour space.
plate selector will contain 3 user customisable zone plates as well as several pre-determined zone plates. The ‘->’ button displays a dialogue which allow the parameters of the zone plate to be adjusted for the custom zone plates. Any of the preset zone plates may be copied to the custom zone plates to act as a starting point for a new zone plate. As the zone plate settings are stored in user memories a large number of custom zone plates are available for use.
Moving Zone-2H - A moving zone plate centred on the screen.
Static Zone-2H - A static zone plate centred on the screen from DC to the nyquist frequency at left/right edges.
Static Zone-2V - A static zone plate centred on the screen from DC to the nyquist frequency at top/bottom edges.
Sweep-Horiz - A horizontal sweep from DC to nyquist frequency horizontally.
Sweep-Vert - A vertical sweep from DC vertically.
Grating-50kHz - A 50kHz frequency sine wave when using an HD output.
Grating-1MHz@HD - A 1MHz frequency sine wave when using an HD output.
Grating-5MHz@HD - A 5MHz frequency sine wave when using an HD output
Custom This allows editing of Custom zone plate settings. Three custom zone plates
can be set up and can be copied from an existing presets using the ‘Copy To’ button.
Mode - sets which type of Zone Plate is being produced. It may be Zone Plate (circular pattern) Grating (Linear horizontal or vertical grid) Sweep (Frequency sweeps from start to end Frequency)
Start Phase - sets the start phase of the sine wave generated by the zone plate generator and is set in degrees from 0-360
Phase Rate - is used to set the rate of change of phase of the sine wave and thus changes the speed that the zone plate moves at. It is specified in degrees per frame.
Angle - changes the angle of the zone plate and thus can change a horizontal sweep into a vertical sweep or rotate an elliptical zone plate pattern.
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XScale/Start Freq - sets the horizontal scale of grating patterns or the start value of the zone plate sweep frequency.
YScale/End Freq - sets the vertical scale of grating patterns or the end value of the zone plate sweep frequency.
Ident
An picture or text ‘Ident’ may be set to identify an SDI source. This Ident can be turned on/ off from this page but changing the text/font/bitmap is performed by selecting the Edit button to bring up the Ident Dialogue. An overview of what the Ident is can be seen beside the Edit button. Note: If zone plate or colour field are selected, text cannot be overlaid over them.
A smaller version of the video output signal is displayed on this page with any overlaid ident.
This dialogue allows selection of either a user defined bit map picture which has been downloaded into the ‘Idents’ directory of the Sx instrument or user defined text.
Menu Reference
For both types, the position of the ident can be set to one of Top-Left, Top-Centre, Top-Right, Left-Centre, Centre-Screen, Right Centre, Bottom-Left, Bottom-Centre, Bottom-Right. When text ident is used, the font, font size and colour can be specified. Several fonts are built in to the Sx instrument, other true-type (.ttf) fonts may be downloaded as required.
When editing text, the keyboard above is displayed to allow easy editing. Move the cursor to select the key to ‘press’ and then press ‘Ok’ to ‘press’ it. The Shift menu key causes the next keyboard to change to shift mode for the next key press.
The Caps Lock menu key locks the keyboard in all capitals mode. The Alt Gr. key shows any language dependent alternate keys that may be pressed. Several country keyboard styles are provided. Note that not all fonts support all non-English characters.
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Menu Reference
Sx 2K-SDI Option
The Sx 2K-SDI option allows the generation and analysis of 2K video formats for YCrCb, RGB and XYZ colour spaces.
XYZ colour space is a non-linear format that requires additional treatment by the Sx generator and analyser circuitry to convert between linear and non-linear data formats. Only a limited number of non-linear test patterns are provided for XYZ as the traditional linear test patterns that are normally available in SD, HD and 3G are not applicable and will produce misleading results when analysed.
100% Colour Bars is generated in RGB colour space and needs to be analysed using the RGB colour space selection in the Waveform monitor. This test pattern is provided to check the accuracy of the colour paths through the equipment under test.
Legal Ramp is generated in XYZ non-linear format and needs to be analysed using the X’Y’Z’ colour space selection in the Waveform monitor. This test pattern is provided to check the accuracy of the data path through the equipment under test.
Multiburst is generated in XYZ non-linear format and needs to be analysed using the X’Y’Z’ colour space selection in the Waveform monitor. This test pattern is provided to check the frequency response and sample rate of the data passed through the equipment under test.
Colour Field produces fixed level colours in RGB colour space that are converted to equivalent XYZ colour space values and needs to be analysed using the RGB colour space selection in the Waveform monitor.
User File allows user-defined test patterns that have been created in XYX non-linear colour space to be selected.
The XYZ, X, Y and Z settings in the Waveform monitor display the XYZ colour space in its native non-linear form. So test patterns such as Legal Ramp will be displayed as curves instead of straight lines.
The X’Y’Z’, X’, Y, and Z’ settings in the waveform monitor display the XYZ colour space with a reverse transform to convert it to linear form. So test patterns such as Legal Ramp will be displayed as straight lines.
The Picture monitor and Vector scope instruments will automatically apply the appropriate transforms to display the images in YCrCb, RGB and XYZ colour spaces correctly. The colour space transform to be applied is defined by the SMPTE 352 payload.
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Genlock Menu

The unit can create video test signals that are either free-running or locked to a studio reference signal.
The Genlock menu is used to select an external locking reference or set the unit to free run.
Source
The unit may be locked to
External - an external locking reference connected to the “Ref I/O” connector, such as a studio reference, which can either be black & burst or a Tri-Level sync
Input 1 - the SDI video input present on the “SDI I/O” connector.
Menu Reference
CBVS In - the Composite video input present on the “PAL/NTSC (AES Eye)” connector.
Free Run - the unit can operate using its own internal SPG
Note that the “On” check box in the “Reference Out” section controls whether the “External” source is from an externally connected source or from an internally generated source.
Reference Out
The SxTAG can either accept an external locking reference signal or can create a black & burst reference output for PAL (SD-625i50) or NTSC (SD-525i59). The drop down menu box allows the selection of either “SD-625i50” or “SD-525i59” and the “On” check box when selected change the REF I/O connection from input to output.
The Reference output signal can either be black and burst or 75% colour bars.
Delay
The Composite and SDI output generated by the unit can be advanced/delayed with respect to the currently selected locking reference. Controls are provided for line and pixel advance/delay for Composite and SDI output. For composite output the Phase control allows the subcarrier phase of the PAL/NTSC composite output to be adjusted with respect to the reference burst phase of the External locking reference black & burst signal.
Note that due to the difference in position of the synchronisation pulse of the Composite video output compared to the equivalent SD-SDI synchronisation pulse there is a difference of 17 pixels. If the SD SDI output needs to be exactly matched to the locking reference then a value of 0 needs to be entered in the “Pixels” field. If, however, the composite output needs to be matched to the reference then a value of -17 should be entered in the “Pixels” field.
The Zero button is used to set the menu value for Phase back to zero once the exact subcarrier phase of the composite output has been setup for the currently selected locking reference signal. This can be used when comparative phase measurements are being made between the input and output of any equipment under test.
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Menu Reference

Audio Group Menu

Group n
Each of the four groups may be separately enabled. When enabled, the source and level of each channel in a pair can be selected.
The source for each channel may be Silence, Fixed tone (a range of fixed frequencies), variable tone (where the frequency can be set on 1Hz steps from 1Hz to 23.99kHz), white noise. The AES input or Balanced analogue audio input may also be selected if present. If the Dolby Generation option has been purchased, the source may be set to ‘Dolby’ at which time the other channel in the audio pair is also set to ‘Dolby’ and gain control disabled.
The Sx instrument can embed an audio signal on all 16 embedded audio outputs.
The Audio Group menu controls which audio channels, pairs or groups have test tones applied and the type of tone.
The “Inv” check box phase-inverts the audio signal to allow checking of third-party audio mixing.
The “Link” check box links the left and right channels of a pair so that changing the level on the left hand channel changes the level on the right hand channel.
Master
The master level sets the 0dB level for all the embedded audio channels. Thus if the Master level is set to -18dB and group 1 pair 1 output is set to -2dB, the actual level output on that pair is -20dB. This feature allows all embedded outputs to be adjusted together as well as giving a simple method to change from -18dB to -20dB based standard levels. The Master level will not adjust the level of an AES input signal selected for embedding on SDI output.
Analog o/p
The “Analog o/p” control selects the source audio for the Balanced analogue audio output available via the “Audio I/O” connector.
AES o/p
The “AES o/p” control selects the source for the AES output of the Sx instrument and can be:
The AES input (via the built-in sample rate converter) to allow easy conversion to 48kHz sample rate AES signals.
A mirrored output of the specified embedded AES stream contained within the SDI output to allow easy generation of audio tones or white noise.
One of the embedded input pairs on the SDI input to allow use as a de-embedder.
Off, if the output is not required.
Note that the AES output is always at a 48kHz sample rate. The AES input may be at any sample rate from 32kHz to 192kHz.
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Dolby (Dolby Generator Option)

The Sx instrument Dolby Generator software option allows generation of Dolby-E, Dolby Digital and Dolby Digital Plus pre-encoded test signals to check that they are transferred transparently through the broadcast chain unaffected by routers/switchers, satellite links, etc.
The Audio - Dolby menu controls the generation of Dolby test data.
Note that with this software version Non-Keyed signals are generated which may
be incompatible with certain VTRs.
Overview
Menu Reference
There are a number of Dolby broadcast digital audio standards that transport audio data over an SMPTE 337M AES carrier with a 48kHz sample rate. The type of Dolby to be generated can be selected from the drop down list in the top left corner of the menu:
Dolby E
Dolby Digital
Dolby Digital Plus
These standards can be used to transport mono, stereo, 5.1 and 7.1 audio programmes:
Dolby 5.1 - involves five channels for normal-range speakers (20 Hz – 20,000 Hz) (right front, centre, left front, rear right, rear left) and one channel (20 Hz – 120 Hz allotted audio) for the subwoofer driven low-frequency effects.
Dolby 7.1 uses six channels in the primary program (Independent Substream) for a standard 5.1 surround sound mix and then the 2 remaining 2 channels in an ancillary programme (Dependent Substream) to provide the additional down-mix.
Dolby E
Dolby E is an audio encoding and decoding technology developed by Dolby Laboratories that allows up to 8 channels of audio (mono, stereo, 5.1 or 7.1) that for a primary programme (Programme 1) and optional ancillary programs. These 8 channels are compressed (lossless) into a digital stream that can be transferred between compatible devices and stored on a standard stereo pair of audio tracks. The most elaborate mode in common use is Dolby 7.1 which uses all eight channels to provide surround sound.
Dolby Digital
Dolby Digital (AC-3) is a ‘perceptual audio’ system for digital audio that allows the reduction of data needs to deliver high-quality sound. This system was developed primarily for DTV, DVD and HDTV. This format allow up to six channels of sound (mono, stereo or 5.1) in the form of a single ‘program’ that can be delivered at different bit rates. These 6 channels are compressed (lossy) into a digital stream that can be broadcast. The most elaborate mode in common use is Dolby 5.1 with uses all six channels to provide surround sound.
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Menu Reference
Dolby Digital Plus
Dolby Digital Plus (E-AC-3) is a more advanced version of Dolby Digital that provides a more efficient encoding algorithm that provide enough bandwidth that allows up to 20 channels of audio (mono, stereo, 5.1, 7.1 up to 13.1) that for a primary programme (Programme 1) and optional ancillary programs that can be delivered at much lower bit rates than Dolby Digital. These 20 channels are compressed (lossy) into an independent digital data stream plus up to 8 dependent sub stream that can be transferred between compatible devices and stored on a standard stereo pair of audio tracks. The most elaborate mode in common use is Dolby 7.1 with uses eight channels to provide surround sound.
Dolby E Synchronisation - Generator Reference
The Dolby audio test signal produced by the Sx instrument is affected by the use of a reference signal connected to the Sx instrument and by the following settings:
Free Run - If the generator is not locked to reference, the Dolby signal will be generated synchronous to the generator. If the generator is running at a fast progressive rate (50-60 fps) it will generate packets on every other frame.
External Reference/Ext SDI reference - If the generator is locked to an external signal, the reference signal MUST be of an appropriate standard. See the table below for examples.
Video Output Format
1080i50 1080i50, 625i50(PAL)
1080i59 1080i59, 525i59(NTSC)
1080p25 1080p25, 1080i50, 625i50(PAL)
1080p29 1080p29, 1080i59, 525i59(NTSC)
720p50 1080p25, 720p25, 1080i50, 625i50(PAL) – due to length of
720p59 1080p29, 720p29, 1080i59, 525i59(NTSC) – due to length of
1080p50 1080p25, 720p25, 1080i50, 625i50(PAL) – due to length of
1080p59 1080p29, 720p29, 1080i59, 525i59(NTSC) – due to length of
Valid Reference Formats
packet being over 1 frame long
packet being over 1 frame long
packetbeing over 1 frame long
packet being over 1 frame long
Editing Program Information
Stream type: Only Dolby-E streams can be generated with this software version.
Config, Bit Depth: The program configuration and Bit Depth can be changed to load the pre-
encoded file.
Stream contents: The tones generated are of a fixed predefined frequency. Four sets of pre-
encoded streams are provided:
Ramp Var - Each channel has a different frequency to allow checking of channels. The levels are ramped so that different channels have different levels.
-3dB Fixed - All the tones are at -3dB co-phased/timed and are at the same frequency.
-18dB Fixed - All the tones are at -3dB co-phased/timed and are at the same frequency.
-20dB Fixed - All the tones are at -3dB co-phased/timed and are at the same frequency.
Fixed Frequency values for “Fixed level“streams above:
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Frame Rate Normal Frequency LFE Frequency
23.98 4.8kHz 211Hz
24 6kHz 240Hz
25/50 6kHz 240Hz
29.97/59.84 6kHz 133Hz
30/60 6kHz 240Hz
Dolby-E start line: The start line can be used to set valid or invalid ranges to allow checking of
the Dolby-E guard band on downstream equipment. If the start line is set outside the valid range specified by Dolby, the line number will be displayed in RED.
Relative to Ideal If this check box is checked, the line number displayed is relative to the
Dolby specified ideal line. A value of ‘0’ therefore starts the Dolby-E packet on the ‘Ideal Line’ for that video format.
Frame Rate This is set by default to the currently generated frame rate but may be
modified by the user to test downstream equipment.
Original rate This is set by default to the currently generated frame rate but may be
modified by the user to test downstream equipment.
Menu Reference
Note that if generating a progressive fast rate video standard such as 720p50,
720p59 or 720p60 etc. the Dolby-E signal will always be generated at the related slower rate. This is a Dolby restriction as the packets are over 1 frame in length for these video formats.
Program Meta Data Editing
Many of the meta-data fields may be edited to test downstream equipment. The Channel Mode field may be edited to invalid settings but they will be shown in RED to show that they are invalid. The settings currently being edited are for the selected program but multiple program meta-data values can be modified and the settings for all programs are stored in memories.
Meta-data changes and line changes will happen cleanly so that no corruption to the Dolby signal will occur.
A maximum of 30 characters may be used for program description text. If the text is longer than this, extra characters will be ignored.
The “Generator” – “Dolby” menu allows the metadata for a Dolby E data stream to be setup for testing purposes. The main purpose of setting these metadata fields is to check that they are transferred transparently through the broadcast chain unaffected by routers/switchers, satellite links, etc. For any programme this metadata would be created as part of Dolby E authoring process. Using the Dolby generator, the following metadata can be setup for Program 1:
Dialogue Norm is the normal audio level for dialogue. Ideally all transmitted programs
would have the same value.
BsMod (Bitstream Mode) indicates the type of audio service that the bitstream
contains. Complete Main (CM) is the normal mode of operation and contains a complete audio program including dialog, music, and effects.
Ctr DnMix (centre down-mix) is a weighting value used in the encoding and decoding of
surround sound mixes for a Dolby 5.1 Independent Substream.
Sur DnMix (surround down-mix) is a weighting value used in the encoding and decoding
of surround sound mixes for a Dolby 5.1 Independent Substream.
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Menu Reference
LRoCtrDnMix (left/right/stereo/centre down-mix) is a weighting value used in the encoding
LRoSurDnMix (left/right/stereo/surround down-mix) is a weighting value used in the
LR CtrDnMix (left/right/centre down-mix) is a weighting value used in the encoding and
LR SurDnMix (left/right/surround down-mix) is a weighting value used in the encoding and
Chan Mode defines the channel configuration for Program 1 (ie mono, stereo, 5.1
Line Mode this is an Operational Mode / Dynamic Compression Mode that is used
RFMode this is an Operational Mode / Dynamic Compression Mode that is used
and decoding of surround sound mixes for a Dolby 7.1 Dependent Substream.
encoding and decoding of surround sound mixes for a Dolby 7.1 Dependent Substream.
decoding of surround sound mixes for a Dolby 5.1 Independent Substream.
decoding of surround sound mixes for a Dolby 5.1 Independent Substream.
channels).
by consumer and professional decoder products that simplifies the implementation of Dialogue Normalization, Dynamic Range Control, and down mixing functions, all of which are necessary in Dolby Digital products.
by consumer and professional decoder products that simplifies the implementation of Dialogue Normalization, Dynamic Range Control, and down mixing functions, all of which are necessary in Dolby Digital products.
Room Type this informational parameter indicates the type and calibration of the mixing
room used for the final audio mixing session.
MixLevel the Surround Down mix Level parameter indicates the nominal Lo/Ro down
mix level of the Surround channel(s) with respect to the Left and Right channels
DolbySurnd the Dolby Surround Mode parameter indicates whether or not a two-
channel Dolby Digital bitstream is conveying a Dolby Surround encoded program.
DownMixMod this controls the Down Mix Mode which is used by the content creator to
optimize Center and Surround channel levels for use in stereo down mix mode for any two-channel programmes.
D Sur Ex this controls the Dolby Surround Ex channel that provides an extra audio
channel for Dolby 5.1. The extra surround channel of the Dolby Surround Ex system is matrix-encoded onto the discrete left-surround and right-surround channels of the 5.1 mix.
The following control bits can also be set:
LFE the LFE Channel parameter enables or disables the Low-Frequency Effects
(LFE) channel.
HPF this parameter can be used to activate the DC High pass filter for all input
channels.
LPF the LFE Low pass Filter parameter can be used to activate a 120 Hz low-
pass filter applied to the LFE input channel.
Sur 3dB Alt the Surround Channel 3 dB Attenuation function is use to apply a 3 dB
attenuation to the Surround channels of a multichannel soundtrack created in a room with film style calibration, when encoding it for consumer home theater playback.
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Sur Ph+Filter the Surround Channel 90-Degree Phase-Shift feature is used for generating
multichannel Dolby Digital bitstreams that can be down-mixed in an external two channel decoder to create a true Dolby Surround compatible output.
Org Stream the Original Bitstream informational parameter sets the value of a single bit
within the Dolby Digital bitstream. This bit has a value of 1 (box checked) if the bitstream is an original. If it is a copy of an original bitstream, it has a value of 0.
Copyright the Copyright Bit informational parameter sets the value of a single bit
within the Dolby Digital bitstream. If this bit has a value of 1 (box checked), the information in the bitstream is indicated as protected by copyright. If it has a value of 0, it is not copyright protected.
RF 0v Prot the RF Over-modulation Protection parameter determines whether or not
an RF pre-emphasis filter is used in the overload protection algorithm to prevent RF over-modulation in set-top box decoders.
Default Program Meta Data
Pressing the “Default” button will return program meta-data settings to their default values.
Embedding Dolby on SDI Stream
To embed Dolby signals on an SDI stream, the Audio source for that channel should be set to ‘Dolby’. These source selections are found on the Generator – Audio Group 1,2,3,4 pages. Selecting one channel of an audio pair to ‘Dolby’ will force the other channel in the pair to select ‘Dolby’ also. As the Dolby streams are data, the volume and phase controls are disabled. Changing a channel from Dolby to another source will cause the other channel in the pair to select silence.
Menu Reference
Embedding Dolby Signals on AES Stream
To embed Dolby signals on the AES output, the Audio source for the AES output should be set to ‘Dolby’. This selection is found on the right hand side of the Generator – Audio Group 1,2,3,4 pages.
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Menu Reference
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Analyzer Menu

Overview

The SxTAG signal analyzer displays the selected Composite, SDI or Fibre video input or output signal. The source for the analyzer is set by the field at the bottom right of the page. The current line and sample are the same for all pages of the analyzer and therefore when selecting a sample on the Signal Data page, the cursor will show where that is on the ‘Full Picture’ page.
Menu Reference
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Menu Reference

Picture

The Picture monitor will automatically apply the appropriate transforms to display the images in YCrCb, RGB and XYZ colour spaces correctly. The colour space transform to be applied is defined by the SMPTE 352 payload.
Analyzer Source Selection
The Picture monitor can display the Composite input, the SDI input, the SFP video input or the generator test pattern. This is done using the drop down menu in the bottom right-hand corner of the menu.
With Picture selected, the video picture is displayed in a window as a down­converted display.
If the picture window is selected and current tab button is pressed again to enter full-screen mode, the cursors may be moved by pressing the OK button again.
The displayed options will be different depending on whether SDI or Composite video is being displayed.
Sample, Line and Field Selection
Sample: Specify the current sample for analysis.
Line: Specify the current line for analysis.
Field: (Only for interlaced formats) This control selects the field for analysis. If the
current line is in Field 1, changing the field will change to the same line in field 2. The field number will change to show the correct field for the current line number.
The picture will automatically view the horizontal or vertical blanking areas if the line or sample values are in the blanking area.
Aspect Ratio
The aspect ratio of PAL (625 lines) may be set to be either 4:3 or 16:9 as required for the source signal. NTSC (525) signals are always 4:3 aspect ratio and HD signals are always 16:9.
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Zoom
If the Zoom check box is not checked, the picture displayed is a down-converted picture to fill the window or the full screen as requested. If checked, then a pixel on the LCD display will reflect a pixel in the video signal. In zoom mode, no filtering is used.
Active Picture
If the ActPix check box is selected, only active picture is displayed for picture view and waveform monitor, all other VBI data such as TRS words ANC data and audio is blanked.
Cursor
A cursor may be turned ON over the area of the picture specified by the specified line and sample.
if the focus cursor is moved to the picture window and OK pressed, the cursor may be used to scroll around the window. Press OK again to cancel this mode. When in zoom mode, the cursor is always in the centre of the window and the picture scrolls behind it. If the cursor is moved to an area of interest on the picture, the same area will be visible on the SDI data option (if purchased).
Note that the normal cursor menu keys may be used but are not visible. Press OK
again to cancel cursor adjustment mode.
Menu Reference
Composite Input Termination
The “Term” check box that is present when composite video is displayed is used to terminate the composite video input. Un-terminating the composite input can be useful if the signal being monitored is terminated at the end of the cable run.
Blue
Show only the Blue aspect of the picture Blue.
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Menu Reference

Waveform Monitor

Analyzer Source Selection
The Waveform monitor can display the Composite input, the SDI input, the SFP video input, the analogue locking Reference input or the generator test pattern. This is done using the drop down menu in the bottom right-hand corner of the menu.
The Waveform menu displays the selected input in the form of a waveform monitor.
The display may be restricted to a single line or all lines may be displayed at the same time. The display can be formatted as all streams (Luma and Chroma) or just a single stream.
The displayed options will be different depending on whether SDI or Composite video is being displayed.
Sample, Line and Field Selection
The line, sample and field controls all track the related controls on other pages.
The ‘All’ check box forces the waveform monitor to display all lines, overlaid on each other. Otherwise the specified line is displayed.
Sample: Specify the current sample for analysis.
Line: Specify the current line for analysis. This is useful when test patterns are
transmitted as part of a programme on specific video lines.
Field: (Only for interlaced formats) This control selects the field for analysis. If the
current line is in Field 1, changing the field will change to the same line in field 2. The field number will change to show the correct field for the current line number.
All the All check box forces the waveform monitor to display all lines, overlaid
on each other. Otherwise the specified line is displayed.
The waveform will automatically view the horizontal or vertical blanking areas if the line or sample values are in the blanking area.
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Waveform Type
The waveform monitor displays the selected signal in one of 5 formats as set by the Mode control:
YCbCr The Y, Cr and Cb waveforms are shown as three separate waveforms in a
Parade format
Y Only the luminance channel is shown
Cb Only the blue chroma channel is shown
Cr Only the red chroma channel is shown
GBR The Green, Blue and Red waveforms are shown as three separate waveforms
in a Parade format
Red Only the red channel is shown
Green Only the blue chroma channel is shown
Blue Only the red chroma channel is shown
XYZ, X, Y , Z settings in the Waveform monitor display the 2K-SDI XYZ colour space in its
native non-linear form. So test patterns such as 2K. XYZ Legal Ramp will be displayed as curves instead of straight lines.
X’Y’Z’, X’, Y, Z’ settings in the waveform monitor display the 2K-SDI XYZ colour space with
a reverse transform to convert it to linear form. So test patterns such as 2K, XYZ Legal Ramp will be displayed as straight lines.
Menu Reference
Normal This shows the full composite video waveform.
Chroma This shows the chrominance of the composite waveform.
Low Pass This shows the low pass luminance of the composite waveform.
Magnification
The next 2 controls show the vertical and horizontal magnifications. If either value is set to a value other than x1, a vertical or horizontal offset will be shown on the bottom right edge of the waveform display.
The waveform can be offset by moving the focus cursor to the waveform window and pressing OK. The menu keys can then be used to scroll around the window. The offset will be the same for all magnifications values so switching between x1 and x5 will not lose the offset used in x5 mode.
The vertical offset values are in signal level bits but displayed in the current scale units so switching between scales will keep the same offsets.
Cursors
Cursors may be displayed over the waveform to allow measurement of time or amplitude values. The cursor may be set to several modes:
Off: Cursors are hidden
Pict: The cursor is displayed at the current pixel point. If in YCbCr or RGB mode, three
cursors are displayed. Otherwise a single cursor is displayed. The cursor position tracks across the picture monitor and Signal Data tabs.
Ampl: Two cursors are displayed to allow measurement of signal amplitudes.
Time: Two cursors are displayed to allow measurement of signal timing.
Both: Amplitude and time cursors are displayed.
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Menu Reference
To use the cursors, use the navigation keys to move the focus to the waveform display and press OK. You should then get a display similar to that below. Note that the menu keys shown depend on the display mode and cursor mode.
The navigation keys now move the selected cursor around the waveform display which will scroll if moved out of the visible area. The x10 and x100 buttons magnify the action of the navigation keys if held down.
The Select Window button is only available in YCbCr or RGB modes and selects the window that the cursor is displayed in.
The Amplitude Cursor and/or the Timing Cursor buttons switch the currently active cursor. In each direction two cursors are displayed. The currently active cursor is the one displayed as a full line (rather than the dotted cursor). The bottom of the waveform screen shows the cursor measurements in the current format which may be Decimal, Percentage or Hexadecimal for amplitude measurements or Pixels/uS for timing measurements. The difference between the two cursors is also displayed in absolute form.
The Cursor Mode button changes the current mode without having to leave the navigation window.
Setup Button Dialogue
The Waveform Setup menu allows the vertical and horizontal scale of the waveform display to be setup as well as controlling the intensity and persistence of the display.
Active Picture: If checked, only active picture is displayed for picture view and waveform
monitor, all other VBI data such as TRS words ANC data and audio is blanked. This control tracks the state of the ActPix control on the Picture.
Vertical Scale: The axes and measurements for the waveform monitor can be displayed
either in percentages or in hex or decimal values as required.
Horizontal Scale: The timing measurements may be set in either pixels or micro-seconds (us)
Intensity Controls the brightness of the waveform.
Persistence Controls the amount of time each pixel sample of the waveform remains on
the display before it is replaced by a new value.
When viewing the composite or reference input the displayed waveform is a digital rendition of the actual analogue signal. This may have interference artefacts due to data sample rate differences between the display and the data itself. The value in the numeric box below Persistence can be used to control these artefacts without loosing waveform resolution.
External Reference
Selecting the Ext Ref check box is when a PAL or NTSC signal is being viewed, will horizontal reposition the waveform to show the difference in position between the composite input signal and the locking reference signal.
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Vectorscope

The Vectorscope menu displays the selected input in the form of a vectorscope. This may be set to show either the 100% bar positions or 75% positions. The colour bar position boxes will change according to the colour space for the current input video standard.
The Vectorscope will automatically apply the appropriate transforms to display the images in YCrCb, RGB and XYZ colour spaces correctly. The colour space transform to be applied is defined by the SMPTE 352 payload.
Analyzer Source Selection
The Waveform monitor can display the Composite input, the SDI input, the SFP video input, the analogue locking Reference input or the generator test pattern. This is done using the drop down menu in the bottom right-hand corner of the menu.
Menu Reference
The displayed options will be different depending on whether SDI or Composite video is being displayed.
Sample, Line and Field Selection
The line, sample and field controls all track the related controls on other pages.
The ‘All’ check box forces the waveform monitor to display all lines, overlaid on each other. Otherwise the specified line is displayed.
Sample: Specify the current sample for analysis.
Line: Specify the current line for analysis. This is useful when test patterns are
transmitted as part of a programme on specific video lines.
Field: (Only for interlaced formats) This control selects the field for analysis. If the
current line is in Field 1, changing the field will change to the same line in field 2. The field number will change to show the correct field for the current line number.
All the All check box forces the waveform monitor to display all lines, overlaid
on each other. Otherwise the specified line is displayed.
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Menu Reference
Magnification
The “Zoom2 function allows the vector scope display to be zoomed-in to the Centre, Cyan,
Graticule
The “100%”/”75%” drop down selects the graticule scale to match the colour bars being analysed.
Setup Button Dialogue
Yellow, Green, Magenta, Red or Blue positions at x1, x2, x5 or x10 magnifications.
The Vectorscope Setup menu allows the intensity and persistence of the display to be adjusted. A colour wheel background can also be added.
Intensity Controls the brightness of the waveform.
Persistence Controls the amount of time each pixel sample of the waveform remains on
the display before it is replaced by a new value.
Background Allows the selection of different intensities of the colour wheel as the
graticule background
When viewing the composite input the displayed waveform is a digital rendition of the actual analogue signal. This may have interference artefacts due to data sample rate differences between the display and the data itself. The value in the numeric box below Persistence can be used to control these artefacts without loosing waveform resolution.
Composite Subcarrier Phase Alignment
When viewing a PAL or NTSC signal, the Ref check box when selected will lock the vectorscope to the subcarrier phase of the locking reference signal. The value entered into the Deg (degree) box to place the PAL or NTSC burst in the correct alignment is a measure of the subcarrier phase difference between the input signal and locking reference.
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Signal Data

The Signal Data menu shows the video signal as a data stream in several formats as described below. In each mode, the data may be displayed in hexadecimal, decimal or binary formats. The binary format is not available in grid mode. The data may also be displayed as 10-bit or 8-bit format.
To simplify scrolling around the SDI signal view, use the cursor keys to move the red focus rectangle to the data display and press OK. The focus rectangle should change to a blue colour and the cursor keys allow the display to be scrolled in any direction. The menu keys at the bottom allow the Line/Sample to be adjusted by 10 or 100 in any direction.
Note that the line number of a line of video changes at the end of active video.
This gives the strange side effect that the line number for pixels in horizontal blanking is the same as the line number for the active picture after that line.
Menu Reference
Analyzer Source Selection
The Signal Data display can view the SDI input (In1), the SFP video input (SFP In) or the generator SDI test pattern (Out 1). This is done using the drop down menu in the bottom right­hand corner of the menu.
Note that when in Colour modes other than YCbCr 422 10 bit, the pixel RGB or
YCbCr values are packed into 10 bit values across the different streams and thus will give unfamiliar values. When the ‘UnPack’ check box is checked the values in
the active picture are unpacked to RGB or YCbCr values.
Type
Grid: In this mode the data is shown in an X-Y format with lines and samples at the same
time. Thus this is a representation of the picture but in data format. If the cursor keys are used to select the grid window and ‘OK’ pressed, the cursor keys will scroll around the window. The luma (Y) channel is shown in white whilst the Cr and Cb channels are shown in with a red or blue tint respectively.
Strm: This is one of 3 modes for displaying the samples on the current line only. The
cursor keys may be used to scroll the sample number when ‘OK’ has been pressed. The ‘info’ column shows the type of data being displayed.
AP - Active picture VBL - Vertical blanking HBL - Horizontal blanking
Comp: This is a similar to the Strm mode above but in a component mode with Cr and Cb
in different columns. See Strm mode above for the info column description.
Split: This mode shows the 2 streams split into 4 parts to show Y, Y’, Cr and Cb in
separate columns. See Strm mode above for the info column description.
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Menu Reference
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Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
Menu Reference

Signal Information Menu

Overview

These pages give a detailed view of the status of the input (or generator output) signal. They are sub-divided into Video, Misc, Audio and Ancillary (ANC) status.

Video Status

The Video Status menu display the status of the selected video input and displays any errors that have been found in the data stream.
EDH/CRC ERRORS
This displays the EDH or CRC status of the analyzer input as appropriate for the video standard being monitored. The status of each EDH/ CRC count is displayed as the number of seconds since an error occurred. The individual CRC fields may be reset individually or together. The ‘running time’ field shows the time since the last error reset occurred. The error rate field shows the number of errors per second. The running time will also be affected by the input being lost or being intermittent. CRC errors are ignored on the switching line if the ‘Ignore switch line’ check box is checked.
ANC checksum errors are also detected and counted and may be logged.
When analysing a 3G-Level B signal, the CRC status is displayed for each link or stream present according to the input video format. On an Sx instrument with a Dual-Link with 2 video inputs, only one 3G-Level B may be analysed for CRC status at a time.
EDH DATA
If the signal is SD (PAL-625 or NTSC-525) the EDH values for both active picture (AP) and full-field (FF) are displayed for each field. To enable engineers checking EDH integrity, the EDH values calculated for active picture and full-field are also displayed.
Under normal conditions, the EDH-AP values should be constant, the full-field values may change if audio or other ancillary data is embedded in the SDI signal.
The EDH flags for active picture, full-field and ancillary data are also displayed for diagnostic purposes.
Edh: Error Detected Here - This is set to 1 if a SDI error was detected. In the case of ancillary data, this means that one or more ANC data packets had an incorrect checksum.
Eda: Error Detected Already - This is set to 1 if a SDI error was detected in the signal received by the previous device.
Idh: Internal error Detected Here - This is set to 1 if a hardware error was detected in the previous device.
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Menu Reference
Ida: Internal error Detected Already - This is set to 1 if an idh flag was received by the previous device.
Ues: unknown error status: This is set to 1 if the previous device received an SDI signal from a device not supporting EDH.
Note that there is only one EDH detector which is connected to the input currently being analysed. On an Sx instrument with multiple video inputs, only the current input being analysed can check for EDH errors.
Cable Length
The Sx instrument measures the cable length connected to the SDI input BNC and the measurement is only an approximate value.
The cable type may be set to one of the following:
The selected cable type will affect the cable length measurement.
Active Picture CRC
Belden 8282, 1694A, 1505, 1855A.
Canare L-5CFB
Image 1000
16-bit CCITT CRCs are calculated for the active picture data of the received signal. This can be used to give a known value for known static picture content and allows the user to determine if the active picture content is as expected.
CRCs are calculated independently upon each 10-bit stream (luminance and chrominance) of the interface.
For example the generated 1920x1080, 100% bars in YCC422-10 should always produce a luminance CRC of 0x0AB4 and a chrominance CRC of 0xB88E, no matter what scanning mode (interlaced, segmented frame or progressive) or frame rate is used.
Note: when using 4:4:4, 4:4:4:4 or 12-bit video formats (in dual-link or 3Gbps)
the CRCs are calculated for each of the packed 10-bit virtual interfaces and will therefore generate different values from those for YCC422-10.
See the “Active Picture CRC Technical Information” section at the end of the manual for details of CRC calculation.
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MISC Status

The Misc Status menu display the status the SMPTE 352 packets embedded in the selected video input and displays any errors that have been found.
Payload ID – SMPTE 352
If the Sx instrument has detected a SMPTE 352 ancillary packet, it will be displayed here in hex and decoded format.
The display shows the transport media, frame rate and interlaced/progressive/segmented frame mode, as well as colour format, bit depth, dynamic range and channel number. See the SMPTE 352 specification for further details.
Menu Reference
When analysing a 3G-Level B signal, the SMPTE 352 status is displayed for each link or stream present according to the input video format. On an Sx instrument with Dual-Link with 2 video inputs, only one 3G-Level B may be analysed for 352 status at a time.
Video Format
This displays the currently detected line length for both active video and full line including blanking as well as the number of active lines for the inputs present.
Note that the video frequency displayed is only correct if the Sx instrument has
been calibrated and free running or has been connected to an accurate reference input.
If the input signal is not a known signal (i.e. the line count or pixel count is not recognised) The input status on the top line will show “Invalid” but the values in this section will be updated every few seconds.
The Re-sync counter displays the number of times the SDI data has been re-synchronised and can help detect intermittent SDI signal problems.
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Menu Reference

Video Timing

The timing of SDI input signals is displayed relative to the external reference. If no reference is present then an error message is displayed. If the signal is timed to within +/- 2 samples the values are displayed in black in lines and samples (spl) If mis-timed, then they will be displayed in red. A bar graph also displays the timing value which may either be line timing (+/- 0.1 lines or +/- 0.5 lines) or frame timing (+/- 0.5 frame). The total timing value is also displayed in micro seconds.
The RED arrow on the bar shows the SDI input timing and the BLUE arrow shows the current target timing point. The BROWN line shows the timing of the reference signal.
The Video Timing menu displays the relationship between the SDI and composite video inputs with respect to the locking reference input.
To compare timings of different signals, connect the signal to be compared to the SDI input and select the “Offset” button to make this the current offset. All future timings will be relative to this offset value.
To clear the current offset, move the focus to the 2 offset fields, press OK to edit them and then press default.
Note that all timing measurements are relative to line 1 on the SDI signal and
line 1 on the reference signal. This can lead to different values to other test and measurement instruments that include an SD (PAL/NTSC) offset in their calculations. By comparing line 1 timings, the Sx instrument can be used to accurately measure time delays through up/down/cross converters.
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ANC Status (ANC Option)

The ANC status menu shows which ANC packets are present on the SDI input and whether they have any errors. Each field is colour coded according to whether the ANC packet is present (White), missing (Grey), has errors (Red), or has previously had errors (yellow).
If the field has errors then a symbol beside the field shows which error type it is. The bottom of the page shows the symbol for each type of error. The Reset button resets the “Previous Errors” state.
The Setup button and dialog allows user defined ANC packets to be configured.
Menu Reference
The packet name, data ID (DID) and SDID may be specified for up to 3 user-defined ancillary packets. The stream field specifies whether the packet should be on the chroma stream, the luminance stream or both.
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Menu Reference

ANC Inspector (SDI Data Option)

The packet type can be selected using either the drop down list of known packets or the DID/ SDID number fields. If the DID/SDID values match a known type, then that type will be selected in the drop down list. This may be further filtered using the Check Boxes on the Setup dialogue.
The Line and sample number of the detected packet is displayed to facilitate debugging of generation equipment. The complete data packet is displayed as a hexadecimal grid at the bottom of the page and may also be decoded into text above the grid.
If an error occurs in the packet, the header and checksum are displayed in red.
The SDI Data Option allows Ancillary data packets to be detected and checked for errors.
The ANC Inspector menu displays details of the ANC packets.
The display of data may be frozen by pressing the Freeze check box.
The ‘Found’ description shows in which stream the ANC packet was detected, Chroma or Luma and what kind of trigger was detected. This may be:
C Checksum Error
D DBN (Data block number) Error
P Parity Error
G ANC Gap error
Several of the above flags may be displayed at the same time.
The ANC packets detected may be filtered using the Setup dialogue. This allows a great deal of freedom in setting when the display will be triggered.
If the On Trigger check box is checked the data packet will cause the display to be frozen and the Freeze check box will turn red when a trigger condition is met. See the section on the ANC Inspector setup dialogue below. Un-checking the freeze button will restore normal operation.
The “->Cursor” button will copy the Line and Sample numbers to the SDI data view cursors to simplify navigation to the ANC packet under investigation.
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ANC Inspector Setup
If the Setup button is pressed a dialogue box is shown to allow the ANC packet trigger parameters to be set. The trigger parameters allow only selected lines to be checked or excluded when checking for the presence of packets.
Line Range Filer If either of the Line Range Filter check boxes are checked then the range
of lines that the ANC inspector will check is limited to that range. If the Selection below the range is set to “Inside” then it will only check ANC packets inside the range (including the start and end lines). If it is set to “Outside” then it will only check ANC packets outside the specified range.
HANC/VANC Filter This is another filter for simpler selection of where to search for packets. It
may be selected to search the HANC are, the VANC area or both areas.
Menu Reference
VANC Area
HANC Area
Acve Picture
Error Triggers
If any of the “Errors” check boxes are checked, then the ANC packet data will only be displayed if an error occurs. The error states detected are:
Checksum: A checksum error in a packet was detected. (Sum of data between DID and
final UDW)
DBN: A Data Block number error was detected in an audio packet. The DBN field
(in the same place as the SDID) of an audio packet should either be 0 and never change OR increment from 1...255 and then start at 1 again.
Parity: A parity error was detected for the DID, SDID and DataCount words in a
packet. (Even Parity used and bit 9 is inverse of bit 8)
ANC Gaps The ANC packets were separated by a gap containing video blanking
data. EDH (DID=0xf4) packets are ignored. Note that if an EDH packet is marked for deletion, this will result in an ANC GAP error.
The Setup dialogue also shows when an ANC packet has been detected and where it was found. This makes changing a filter simpler as the effect of the filter can be determined without closing the dialogue.
This dialogue also allows the user defined ANC packets to be configured.
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Menu Reference

SFP Info

The SFP Info menu displays details of the currently installed SFP module.
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Audio Menu

Meters

Menu Reference
The Audio Meters menu displays up to 16 audio channels. The source for each block of 8 meters may be independently set to allow simultaneous metering of 8 inputs and 8 outputs or all 16 channels in an embedded SDI stream.
If AES or analogue inputs or outputs are present then these may also be metered. At the bottom of each meter is the current audio level for that channel in dBFs (decibels relative to 0dB full-scale).
If the Dolby metadata analysis option is installed then the audio levels defined in the metadata can be displayed on the meters.
The scale used by the meters may be set to -18dB or -20dB according to the standard operating level used.
If the Dolby option has been purchased, the meters may be set to display the encoded Dolby levels for the specified audio pair or AES input.
Note that Dolby audio cannot be heard on the speaker as a Dolby decoder is not
present.
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Menu Reference

Audio Status

The Audio Status menu shows the Channel Status for the selected audio channel is displayed in decoded form as well as a hexadecimal dump of the bytes. The source may either come from the input signal or from the generator for comparison purposes.
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Dolby Status (Dolby Analyzer Option)

The Dolby-E status option allows display of the Dolby-E meta-data present in the selected audio stream and determines whether the Dolby-E packet is timed correctly on the SDI video stream.
This option therefore allows the Dolby-E aspect of the signal to be timed correctly at all stages in a broadcast chain.
Checks can be made to see that the Dolby E has been created correctly and transferred transparently through the broadcast chain unaffected by routers/switchers, satellite links, etc.
Overview
There are a number of Dolby broadcast digital audio standards that transport audio data over an SMPTE 337M AES carrier with a 48kHz sample rate:
Menu Reference
Dolby E
Dolby Digital
Dolby Digital Plus
These standards can be used to transport mono, stereo, 5.1 and 7.1 audio programmes:
Dolby 5.1 - involves five channels for normal-range speakers (20 Hz – 20,000 Hz) (right front, centre, left front, rear right, rear left) and one channel (20 Hz – 120 Hz allotted audio) for the subwoofer driven low-frequency effects.
Dolby 7.1 uses six channels in the primary program (Independent Substream) for a standard 5.1 surround sound mix and then the 2 remaining 2 channels in an ancillary programme (Dependent Substream) to provide the additional down-mix.
Dolby E
Dolby E is an audio encoding and decoding technology developed by Dolby Laboratories that allows up to 8 channels of audio (mono, stereo, 5.1 or 7.1) that for a primary programme (Programme 1) and optional ancillary programs. These 8 channels are compressed (lossless) into a digital stream that can be transferred between compatible devices and stored on a standard stereo pair of audio tracks. The most elaborate mode in common use is Dolby 7.1 which uses all eight channels to provide surround sound.
Dolby Digital
Dolby Digital (AC-3) is a ‘perceptual audio’ system for digital audio that allows the reduction of data needs to deliver high-quality sound. This system was developed primarily for DTV, DVD and HDTV. This format allow up to six channels of sound (mono, stereo or 5.1) in the form of a single ‘program’ that can be delivered at different bit rates. These 6 channels are compressed (lossy) into a digital stream that can be broadcast. The most elaborate mode in common use is Dolby 5.1 with uses all six channels to provide surround sound.
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Menu Reference
SDI
I/O
PAL/NTSC
OUT
PAL/NTSC
(AES-EYE)
IN
REF
I/O
VIDEO
SFP
NON-MSA
SDI source with Dolby-E
embedded on a pair
Dolby Digital Plus
Dolby Digital Plus (E-AC-3) is a more advanced version of Dolby Digital that provides a more efficient encoding algorithm that provide enough bandwidth that allows up to 20 channels of audio (mono, stereo, 5.1, 7.1 up to 13.1) that for a primary programme (Programme 1) and optional ancillary programs that can be delivered at much lower bit rates than Dolby Digital. These 20 channels are compressed (lossy) into an independent digital data stream plus up to 8 dependent sub stream that can be transferred between compatible devices and stored on a standard stereo pair of audio tracks. The most elaborate mode in common use is Dolby 7.1 with uses eight channels to provide surround sound.
Analyser Reference
In order for the Dolby-E data to be decoded correctly, the internal audio circuitry requires a reference that is synchronized to the input signal. The Generator Reference MUST therefore NOT be set to Free-Run or Dolby-E errors may be detected. The description field will display “Invalid Reference” if an incorrect reference is selected.
In this example, the SDI signal contains embedded audio with Dolby-E present on one or more audio pairs. The Sx instrument needs to lock its internal audio clock to the SDI signal (Generator – Genlock – Source=Input 1) and the Dolby Timing source should be set to SDI.
If the AES signal contains a Dolby-E stream. The SxTAG needs to lock its internal audio clock to the external reference signal and the Dolby Timing source should be set to Ext.Ref. The AES source MUST be locked to the same reference as the SxTAG.
Source selection
The Dolby-E may be monitored from any of the SDI input embedded audio channel pairs or the AES input.
Dolby E Framing Values
It is important for the Dolby-E packet to be positioned well away from the video switching line so that Dolby-E packets are not corrupted by downstream switchers. At all places in the signal chain where audio can be delayed by a different value to the video, the Dolby-E packet needs to be re-timed to make sure that this timing specification is met. The position of the Dolby-E
packet in the video frame is displayed in lines and micro-seconds (us).
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Dolby E Timing source
Dolby-E timing may be measured relative to the SDI input or the External reference. If the ‘Ideal’ check box is checked, the Dolby-E Frame timing is relative to the normal position that it should be, i.e. it should be as close to 0 as possible. Each video standard has a specified ‘Ideal’ line number that the Dolby-E packet should start on. If the Dolby-E timing line is outside the valid range of lines it will be displayed in red. If it is outside the ideal range it will be displayed in dark green – this is still a valid Dolby-E position but not recommended by Dolby. The timing measurement is always displayed in terms of the SDI input lines and thus if an AES input is used as the Dolby-E source, the line position will NOT be displayed.
If you do not have the same reference as the SDI source, you will have to set the Reference Source and Dolby Timing Source to be the SDI input.
IMPORTANT: If Dolby-E is present on a fast frame rate signal (50p, 59p or 60p) then it should always be referenced to a interlaced reference at the same field rate as the packet length is longer than a single frame and must start at the beginning of an even numbered frame.
Dolby E Programme configuration
This displays the Program configuration (5.1+2 etc), the number of program in the meta-data, the frame rates and bit depths and time-code if any present.
Menu Reference
Errors: This displays the number of CRC errors detected in the Dolby-E meta-data.
Start Gain: These fields indicate the gain to be applied to the specified channel at the
beginning of the audio frame when decoding.
End Gain: These fields indicate the gain to be applied to the specified channel at the
end of the audio frame when decoding.
Program selection: Selects which set of program meta-data is shown. Up to 8 programs can be
encoded in the Dolby-E packet dependent on the Program Configuration.
Program description User defined description for the selected program.
Program Metadata The meta-data is displayed in a Dolby specified order. Any data not
required for the Program Configuration specified is grayed out and the data hidden.
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Menu Reference
Dolby Digital Programme configuration
Dolby Digital Plus Programme configuration
When Dolby Digital metadata is analysed this displays channel configuration and limited metadata that is sent with Dolby Digital.
When Dolby Digital Plus metadata is analysed this displays the Main, Dependent and Independent program stream configuration and limited metadata that is sent with Dolby Digital Plus.
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Programme Metadata
The “Audio” – “Dolby” menu allows the metadata for a Dolby E data stream to viewed. For any programme this metadata would be created as part of Dolby E authoring process. The following metadata can be viewed for Program 1:
Dialogue Norm is the normal audio level for dialogue. Ideally all transmitted programs
would have the same value.
BsMod (Bitstream Mode) indicates the type of audio service that the bitstream
contains. Complete Main (CM) is the normal mode of operation and contains a complete audio program including dialog, music, and effects.
Ctr DnMix (centre down-mix) is a weighting value used in the encoding and decoding of
surround sound mixes for a Dolby 5.1 Independent Substream.
Sur DnMix (surround down-mix) is a weighting value used in the encoding and decoding
of surround sound mixes for a Dolby 5.1 Independent Substream.
LRoCtrDnMix (left/right/stereo/centre down-mix) is a weighting value used in the encoding
and decoding of surround sound mixes for a Dolby 7.1 Dependent Substream.
LRoSurDnMix (left/right/stereo/surround down-mix) is a weighting value used in the
encoding and decoding of surround sound mixes for a Dolby 7.1 Dependent Substream.
Menu Reference
LR CtrDnMix (left/right/centre down-mix) is a weighting value used in the encoding and
decoding of surround sound mixes for a Dolby 5.1 Independent Substream.
LR SurDnMix (left/right/surround down-mix) is a weighting value used in the encoding and
decoding of surround sound mixes for a Dolby 5.1 Independent Substream.
Chan Mode defines the channel configuration for Program 1 (ie mono, stereo, 5.1
channels).
Line Mode this is an Operational Mode / Dynamic Compression Mode that is used
by consumer and professional decoder products that simplifies the implementation of Dialogue Normalization, Dynamic Range Control, and down mixing functions, all of which are necessary in Dolby Digital products.
RFMode this is an Operational Mode / Dynamic Compression Mode that is used
by consumer and professional decoder products that simplifies the implementation of Dialogue Normalization, Dynamic Range Control, and down mixing functions, all of which are necessary in Dolby Digital products.
Room Type this informational parameter indicates the type and calibration of the
mixing room used for the final audio mixing session.
MixLevel the Surround Down mix Level parameter indicates the nominal Lo/Ro down
mix level of the Surround channel(s) with respect to the Left and Right channels
DolbySurnd the Dolby Surround Mode parameter indicates whether or not a two-
channel Dolby Digital bitstream is conveying a Dolby Surround encoded program.
DownMixMod this controls the Down Mix Mode which is used by the content creator to
optimise Center and Surround channel levels for use in stereo down mix mode for any two-channel programmes.
D Sur Ex this controls the Dolby Surround Ex channel that provides an extra audio
channel for Dolby 5.1. The extra surround channel of the Dolby Surround Ex system is matrix-encoded onto the discrete left-surround and right­surround channels of the 5.1 mix.
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Menu Reference
The following control bits can also be viewed:
LFE the LFE Channel parameter enables or disables the Low-Frequency Effects
HPF this parameter can be used to activate the DC High pass filter for all input
LPF the LFE Low pass Filter parameter can be used to activate a 120 Hz low-
Sur 3dB Alt the Surround Channel 3 dB Attenuation function is use to apply a 3 dB
Sur Ph+Filter the Surround Channel 90-Degree Phase-Shift feature is used for generating
Org Stream the Original Bitstream informational parameter sets the value of a single bit
Copyright the Copyright Bit informational parameter sets the value of a single bit
(LFE) channel.
channels.
pass filter applied to the LFE input channel.
attenuation to the Surround channels of a multichannel soundtrack created in a room with film style calibration, when encoding it for consumer home theatre playback.
multichannel Dolby Digital bitstreams that can be down-mixed in an external two channel decoder to create a true Dolby Surround compatible output.
within the Dolby Digital bitstream. This bit has a value of 1 (box checked) if the bitstream is an original. If it is a copy of an original bitstream, it has a value of 0.
within the Dolby Digital bitstream. If this bit has a value of 1 (box checked), the information in the bitstream is indicated as protected by copyright. If it has a value of 0, it is not copyright protected.
RF 0v Prot the RF Over-modulation Protection parameter determines whether or not
an RF pre-emphasis filter is used in the overload protection algorithm to prevent RF over-modulation in set-top box decoders.
Peak Metering
The peak audio levels are included in the Dolby-E metadata packet and may be displayed on the Analyzer-Audio-Meters page. Select the appropriate set of meters to display Dolby levels and then they will follow the selected Dolby-E source.
Note that audio cannot be decoded by the Sx range of products and so you will
NOT be able to listen to the Dolby-E signal.
See the logging section for details on which changes of Dolby-E status may be logged.
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AES Eye (CVBS In) Option

AES Eye menu allows an AES signal of 75Ω impeadance connected to the “PAL/NTSC (AES Eye) In” BNC connector to be displayed as an Eye pattern. This allows the amplitude and quality of the AES waveform to be seen and allows AES to reference locking to be checked
It can be difficult to check that the AES audio signal is correctly locked to the studio reference. The AES Eye menu allows the AES waveform to displayed on the unit. If the studio locking reference is also connected to the unit, then the AES Eye waveform can be displayed locked to this reference. If the AES signal is not correctly locked to the reference then the Eye waveform will run through the display.
Ref This drop down list allows the reference source to be selected for the AES
waveform locking
Menu Reference
Trigger This drop down list allows the Eye waveform to be triggered either from the
AES signal itself (showing the level of jitter) or from the regenerated AES clock itself (showing the waveform without jitter.
The graticule displays ±1 Volt in 100mV increments
AES Signal
Studio Reference
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Menu Reference
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System Menu

Memories

The Memories menu displays the current settings in the Sx instrument may be saved for future recall.
The check boxes on the right-hand side determine what is saved in the memory. Non overlapping memories may then be combined together.
Note that if log-in has been enabled for an Sx instrument, memories may only be
added, edited, renamed or cleared and archives backed up by a user with “Modify Memories” permissions.
Menu Reference
Saving Memories
Select the memory to save settings to by moving the cursor to the ‘Select Memory’ list and pressing ‘OK’. Use the up/down cursor keys to select the memory and then press ‘OK’. The name edit field next to the memory list will be updated with the name of the selected memory.
Specify which aspects of the Sx instrument are to be saved in the memory using the check boxes on the right hand side. If you want to change the name of the memory see the section ‘Renaming Memories’ below before saving.
Move the cursor to the ‘Save’ button and press ‘OK’. The text field under the Memory list will change to show the last Saved or Recalled memory.
Recalling Memories
Select the memory to be recalled by moving the cursor to the ‘Select Memory’ list and pressing ‘OK’. Use the up/down cursor keys to select the memory and then press ‘OK’. The name edit field next to the memory list will be updated with the name of the selected memory.
Move the cursor to the ‘Recall’ button and press ‘OK’. The text field under the Memory list will change to show the last Saved or Recalled memory.
Renaming Memories
Select the memory to be renamed by moving the cursor to the ‘Select Memory’ list and pressing ‘OK’. Use the up/down cursor keys to select the memory and then press ‘OK’. The name edit field next to the memory list will be updated with the name of the selected memory.
Move the cursor to the edit field and press ‘OK’. The menu keys at the bottom of the screen will change to show text keys similar to a mobile phone. Pressing a key repeatedly will cycle through the characters for that key. Pressing a different key will move the cursor to the next position and insert the first key value for that key. The cursor left and right keys can be used to move the position of the text cursor which is where the next character will be inserted. The ‘Back Space’ key will delete the key to the left of the cursor. The ‘Cancel’ key will cancel edit mode and restore the original text. Once you have finished editing the name, press ‘OK’ to rename the memory.
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Menu Reference
Adding Additional Memories
To add a new memory, press the ADD button. This will use the current memory name and settings.
Clearing Memories
Select the memory to be cleared by moving the cursor to the ‘Select Memory’ list and pressing ‘OK’. Use the up/down cursor keys to select the memory and then press ‘OK’. The name edit field next to the memory list will be updated with the name of the selected memory.
Move the cursor to the ‘Clear’ button and press ‘OK’. The memory list will show the default name for that memory. A cleared memory cannot be recalled.
Exporting Memories
Memories can be exported to a single file for backup purposes and re-imported into the internal format. This allows different sets of memories to be used for different tasks, such as command scripts. Exported memories are in a text format and so may be edited on a PC and downloaded to/from the backups directory on the Sx instrument via FTP or USB.
To export memories, select the Backup... button which will open a window to select the file to create. Existing files are shown and a new filename may be selected using the File Name edit box. Select the Save button to create the backup file. The filename created will have a .mem file extension.
To import memories, select the Restore... button which will open a window to select the file to import. Existing files are shown and one should be selected before the Load button is pressed. Select the Load button to import the backup file.
Note that when importing a backup file, all existing memories are deleted before
the backup file is loaded so make sure that they are backed up first.
Disk Space
The disk space section shows total size of the internal flash disk and how much is used as a percentage and how much is free.
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Command Scripts

The Memories menu allows the Sx instrument to run pre-defined scripts.
This can be used automate testing of signals.
Steps, Actions and Parameters
Command scripts are text files with an file extension of .cmd. They are formatted with one step per line. The line is formatted as StepTime, StepAction, StepParameters
StepTime is a numeric value in seconds 0....n
StepAction is one of:
Menu Reference
ARCHIVE This is used to specify the archive file to be loaded when the script is run.
This makes sure that all the memories required for the test have been loaded.
This archive file is loaded EVERY time the script is run so if you make changes to any memories you MUST use the Export/Archive section on the System-Memories tab to backup the current memories.
LOADMEM, Loads the memory specified in the StepParameters field – must be a
numeric value 1...num memories.
CHECKERRS, Check for CRC/EDH/ANC checksum errors in StepTime seconds. If there
are any errors an event is added to the event log and the sequence pauses with a message to continue or abort. If the SDI input signal is missing, this is treated as an error.CHECK_AP_CRC
Check for changes to the active picture CRC value in StepTime seconds. An event is added to the event log.
PROMPT This will put a short prompt on screen in a dialogue asking the operator
a question and waiting for OK to be pressed to continue. The time field is ignored and the parameter following is the text displayed.
CLEARLOG This clears the Event Log
DISABLEEVT This disables Event logging
ENABLEEVT This enables Event logging
CLEARERRORS This clears all error counts (EDH/CRC etc.)
LOGCOMMENT Add the specified comment to the log file – useful to document the stage in
the test process
PAUSE Pause for the specified number of seconds to allow another process such as
loading test patterns to complete.
SAVESTATUS Save the current system status as an XML file.
SAVEIMAGE Save the selected image as a bitmap file in the current scripts directory.
Filename must be specified.
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Menu Reference
SELECTTAB Show the selected tab to allow the user to view something.
SEL_USER Select user – users are comma separated
CHECK_EYE Checks that the eye amplitude, overshoot, undershoot and rise/fall and
CHECK_JITTER Checks that the jitter levels are under those set in the logging jitter
CHECK_METER_OFF_LEVEL
CHECK_METERS_OFF
difference between rise and fall times are within the SMPTE specifications for the time period specified.
threshold fields for the time period specified. See logging setup section for further details.
This action checks that the level for any visible meters is at the level set by the meter scale. This level may be -18dB or -20dB. If the level is over 1dB greater or less than that value an error will be inserted in the log and report files. If any groups are missing, these will be ignored by the test. Testing may be limited to specified audio pairs as set up on the Log Setup page.
This action checks that the level for any visible meters is below -70dB. If the level is above that value an error will be inserted in the log and report files. If any groups are missing, these will be ignored by the test. Testing may be limited to specified audio pairs as set up on the Log Setup page.
CHECK_AES_INP This action checks that the AES input signal is present and has no errors for
the specified time period.
Creating Command Scripts
To create a new script:
1. Select the New button. This will create a blank script with the title “NewScript1_”. Select this title and a keyboard will be displayed. Enter the title you require and then select OK to save this title.
2. The first step in the script will be displayed Step Editor window. Use the Edit Step section to select the required Step Action.
3. Select the Add Step function to add a new step to the Script. This will add a new step directly below currently highlighted Step in the Step Editor window.
Editing Command Scripts
To edit the title, select it, enter the title you require and then select OK to save this title.
To change the order of the steps within the script, highlight the step to be reordered and then use the Move Step Up/Down functions.
Unwanted steps can be removed by highlighting them and then selecting the Delete Step function.
An unwanted Command Script can be deleted by selecting the script (to make it the current script) and then selecting the Delete function.
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Running a Script
To run an existing Command Script, select it so that it is the Current Script, and then select the Run function.
Loop if the Forever check box is selected, the Command Script will run repeatedly
until it is stopped. If the check box is not set, the number of repeats can be set.
Stop on Error If the Stop on Error check box is selected, the script will stop if an error is
encountered.
Make a Report If the Make a Report check box is selected, a report will be generated with
the results of the Command Script when it is run.
When the report is created its title can be edited by selecting the title and using the keypad.
The report can also be numbered automatically using the auto-increment value to the right of the report title. Subsequent reports will have the same but will have an incremental number.
Menu Reference
The Res (reset) button can be used to reset the number to 1.
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Menu Reference

Network

If the DHCP check box is enabled, then the Sx instrument will attempt to automatically request an IP Address from any network it is connected to. This will only work if there is a DHCP server on network.
PHABRIX Sx is fully network compatible and has a complete network interface to allow control of any Sx instrument from any other unit.
The Network menu allows the Sx instrument to be configured as part of a network.
Note that if the Sx instrument is turned on without the network connected, you
will have to select the “Re-connect” button to set networking up correctly. This is because the Ethernet connection auto senses whether it has to swap the cable over which means that you can use any Ethernet cable with the Sx instrument but it also requires the Ethernet connection to be present when starting up.
If your network has ‘static’ (non changing) addresses, you will need to see your network administrator to get an address assigned to your instrument and to get the Subnet mask and default gateway address. These details can then be entered in the corresponding boxes in the menu. Select each numeric box in turn and use the up and down cursors to pick the required value.
When the IP Address, Subnet Mask, Defualt Gateway and DNS Server values have been setup, use the Apply button to attach the Sx instrument to the network.
On the Sx2000 instrument, select the “System” - “Network” menu to access the IP Address, Subnet Mask, Default Gateway and DNS Server values. Select the “Setup” button and edit the settings. Note that if the DHCP check box is enabled, these values will not be editable. Once the network addressing has been setup, select the “Apply” button to attach the Sx instrument to the network.
Remote Control of Sx Instrument (Cost Option)
To allow remote control of an Sx instrument, you must have the TCP/IP address of the instrument set and the Remote Control ‘On’ check box must be checked.
The list box shows a list of current connections made to the instrument. This includes the web browser connection (127.0.0.1) which may be seen intermittently as the web browser connects every few seconds and then disconnects again. See the remote control documentation available for download for more information on the protocol and method of control.
The Sx instrument uses a default Port Number of 2100 for remote control access (See Remote Control SDK documentation on Download section of Web Site) This port number may now be changed if it conflicts with other applications in your system.
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Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
Menu Reference

Misc

The Misc menu shows serial numbers, Sx instrument MAC address, version information and battery state. It also allows the date and time to be set and factory default settings to be recalled. The options security code is entered on this page if options are purchased.
Changing The Date/Time
Check the ‘Enable Change’ check box under the date and time fields and then use the cursor to move around the date and time. Press ‘OK’ to edit a field and again to complete the change. When all fields have been edited, uncheck the ‘Enable Change’ check box and the new date and time will be set.
Note that the date may not be changed while a 30 day trial option is active.
Changing the Date Format:
The date format used on logging screens etc may be set using the Format selection control. Three formats are available: Date-Month-Year, Month-Date-Year and Year-Month-Date.
Setting LCD Brightness
Use the LCD brightness slider to set the LCD brightness, using a lower brightness will reduce the current drawn from the battery and thus lengthen battery life.
Setting Screen Saver Mode
When the unit is battery powered the screen saver will operate after a user defined time period and reduce the LCD brightness down to its lowest level. This will lengthen battery life. Pressing any key will restore the previously set LCD brightness.
Setting User Language
The language used to display the menus in may be changed to one of the supported languages. (Currently only English is supported)
Changing Options Security Code
When new options are purchased for the Sx instrument a new Security Code will be supplied. This is specific to this instrument and cannot be used on other units. The security code is entered using the Edit field below the System Option list and is edited by pressing OK and using the menu function keys. If an incorrect Security code is entered a dialogue will be displayed. The new Security code will only be saved if it is valid, the old code will be used until a valid code is entered. Once a valid new code has been entered, the list of options provided by that code will be displayed. The options code is stored independently to memories and system settings.
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Menu Reference

Utils

Dealer Features
This section of the menu details the features that can be used by suppliers of the Sx instrument.
Show Options this check box, if selected, will enable the features throughout the menu
The Utils menu displays details of the Sx instrument’s operating status and details the temperature and individual voltages. This menu also allows you to disable selected options.
system.
Enable this check box, if selected, allows options to be cleared from the Sx
instrument.
Clear Option this function, when pressed, will remove the selected options from the Sx
instrument.
Hardware Status
This section of the menu shows any hardware errors that have been recorded by the Sx instrument. If the error count is greater than 0, contact you local dealer for advice.
System Temperature
This section of the menu displays the current Sx instrument temperature. This information is provided for diagnostics purposes only.
Voltages
This section of the menu displays the current voltages for the currently selected board in the “Board” section of the menu. This information is provided for diagnostics purposes only.
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Engineer

The Engineer menu is used to manage the SxTAG and allows user access to be setup and the installation of new versions of software.
Clear Memories
This section of the menu allows the defined users who can access the Sx instrument to be cleared. To use this function, select the ‘Enable’ check box and press the ‘Clear ALL’ button. This will clear all of the user memories will be deleted.
Default Settings
Menu Reference
This section of the menu allows you to reset the Sx instrument back to its default settings. To do this, select the ‘Enable’ check box and press the ‘Set Defaults’ button and the factory defaults will be recalled. This will not affect the system Security Code or Free Run frequency.
SDI In - SFP Out
If an appropriate SFP module is installed, the Loop check box in the “SDI In - SFP Out” section of the Engineer menu allows the video signal on the SDI Input to be looped through to the SFP Out connector. In this mode the Generator menu will be disabled.
Select Enable followed by Loop to select this mode of operation.
Set User Login
User access can be setup for the Sx instrument by adding users to the system. With User log-in enabled, a log-in screen will be displayed when the Sx instrument is turned ON. This will then require a valid user and password to be entered. Each user has an encrypted password and permissions which may be set.
Using the User Login feature allows the Sx to be protected from un-authorised operation of the Front Panel controls. The prompt feature can allow a message to be displayed so that if the Sx instrument gets lost or stolen, someone finding it knows where to return it.
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Adding/Deleting Users
Add a user by editing a new name in the User Edit box next to the “Add User” button and then editing a new password. Once the password is 6 characters or longer, the “Add User” button will become enabled and may be pressed. Make sure that your password is memorable. If all passwords to an Sx instrument are forgotten, you can contact Phabrix for an over-ride password. Users with administrator permission may add/delete users.
The permissions are:
Administrator: This user may add/delete users and may also edit the Log-in prompt text.
Once user log-in has been set up on your Sx a “Log out” button is added to the main menu which causes the log-in screen to be displayed. This may be used to protect a systems settings from being modified by other users. The system is still fully running while the log-in screen is visible.
Modify Memories: This user may create, save and delete memories and Archives.
Modify Scripts: This user may create, save and delete script files (if the command scripting
option has been purchased)
Each user may modify their own password by entering a new password (6 or more characters) and pressing Change Password.
If all users are deleted, the Sx instrument reverts to starting up without a login screen.
Editing The Prompt Text
The simplest way to edit the prompt text is to FTP a prompt text file onto the Sx instrument. This file should be called “loginprompt.txt” (it MUST be all lower case). The instrument should then be re-started for the new file to be used.
Users with administrator permissions may also edit the prompt text by selecting a line in the prompt text list and editing it by pressing the OK button when in the line edit field using the text keyboard.
Add a new blank line after the selected line by pressing the “Add Line” button.
Insert a new blank line before the selected line by pressing the “Insert Line” button.
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Software Upgrade
This section of the menu allows new software versions to be installed. The Sx instrument may download and install new versions of software when available. This process is a two stage process: Download the software and then install it.
1. To download the latest software version, make sure that the network settings are correct and that the Sx instrument is connected to the internet via the Ethernet connection.
Pressing the Download button will cause the current release of software to be downloaded from the Phabrix Web Site. This will take a short time dependent on the connection to the Internet. Once the download has completed, the software will be checked for errors before being stored on the Sx instrument for future installation. If the latest software is already present on the Sx instrument, no software will be downloaded and a message will be shown.
Note that the unit should be connected to the AC adaptor so that the battery
state does not affect the installation process.
Note that multiple releases of software may be stored on the Sx instrument so a previous release can be re-installed if required.
2. To install the downloaded software on the Sx instrument, select the release using the field with releases listed. The largest number is the latest release. Select the ‘Install’ button and a confirmation dialogue will be shown. Press “Yes” and the installation will start. This process takes several minutes to decompress the software, extract the files and then reprogram the hardware. If an error is given during the installation, retry the installation and or download. Do NOT turn the Sx instrument off until an installation has completed correctly.
Menu Reference
Once the installation has competed, if “Reboot after Install” is checked the Sx instrument will re-start with the new software installed. If not checked then the instrument should be turned off and on again manually.
Note that as part of the installation procedure, all memories are archived to a
backup file and then deleted. They can be restored from the System-Memories page using the Restore button and selecting the ‘_Before_Upgrade’ archive.
The software release notes can be viewed by selecting the Changes button.
CVBS Out Gain
This section is used to calibrate the analogue composite and reference video output levels.
These levels are factory set.
CVBS Inputs
This section is used to calibrate the analogue composite and reference video input levels.
These levels are factory set.
Audio Calibration
This section is used to calibrate the balanced audio input and output levels.
These levels are factory set.
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Menu Reference
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Logging Menu

Overview

Logging allows events to be detected and recorded for future examination. The events to be logged can be specified so that unwanted events do not appear in the event log. If a system has a problem with intermittent signals, the SxTAG can be connected to that source and can be left for several days to log any errors. At the end of that period the log can be examined and the time and date of each error noted.

Event Log

The Event Log menu displays a list of events with a time stamp showing when they occurred.
Menu Reference
Pressing the OK button on the front panel when the highlight is on the event log page allows the event log to be scrolled through to view all events in the list. The currently selected event is shown on the event log header. The date format may be changed using the Date ‘Format’ control on the “System” - “Misc” page. The event log may be cleared by pressing ‘Clear Log’ button; a dialogue will be shown asking the user to confirm the action. A date stamped ‘mark’ may be inserted into the event log to allow users to see when a test started or when a significant event happened using the ‘Add Mark in log’ button.
Note that the event log only shows changes in status, so if the input is always
in error and never good, an event will not be shown. To get the full state of the instrument will require looking at the current status as well as the event log.
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Menu Reference

Log Setup

Audio Thresholds
This section allows the thresholds for audio events to be set. If the audio level for a channel is higher than that specified for the Clip or High fields for the number seconds specified then an event will be added to the event log. If the audio level for a channel is lower than that specified for the Quiet or Muted fields, then and event will be added to the event log. Logging may be limited to specified audio pairs.
The Log Setup menu allows specific events to be tracked by the Sx instrument.
The events to be logged are set up on this page by checking the appropriate ‘Log’ check boxes.
Video Status
This section allows specific video status events to be logged:
Output Standard A log event will be added whenever the generator video standard changes.
Reference Status A log event will be added whenever the external reference standard changes
or the external reference input is lost or re-appears.
Input Status A log event will be added whenever the input video standard changes or if
the input is lost or re-appears.
EDH/CRC A log event will be added whenever a EDH/CRC error state changes. If the
EDH/CRC state is correct, the event will show OK, else it will show FAIL. Separate Luma and Chroma CRC events may be shown. Note that EDH/CRC events may occur when an SDI signal is connected or removed.
TRS Errors If the number of lines changes or line length changes during a frame, the
input video will be detected as the TRS changing and an event logged. If the signal stays changing only a single event will be logged. If the SDI signal has a static line count and line length for 5 seconds, a TRS OK event will be added to the log. This reduces the number of log events for a bad SDI signal.
Picture CRC This should only be used for static single frame test patterns (do not use
for Zone Plate, dynamic broadcast signals or CheckField/Pathalogical test patterns which are two frames long at HD). This can be used to log changes in the CRC for the active picture (a value which is unique for each test pattern). If the CRC changes and was previously OK an error is added to the event log. If the CRC is the same as the last frame for 5 seconds an OK event will be added to the event log. Thus, if the active picture CRC is continuously changing there will only be one event in the log until the picture remains static when an OK event will be added.
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AES Status
This section allows AES audio errors to be logged:
Errors A log event will be added whenever the embedded audio error status
changes. This may be due to a Data Block Number error, ECC error or phase error status change. The event entry will detail which state has changed.
Input Status A log event will be added if the AES signal disappears or appears.
Dolby Status (Requires Dolby Analysis Option)
This section allows Dolby errors to be logged.
Errors will add an event to the event log when a Dolby input stream is detected
or lost. An event will also be added if a CRC error is detected in the Dolby metadata stream. If an error is detected in the Dolby stream, it may mean that the Dolby stream has not been synchronised with the embedded audio clocks.
Timing will log if the Dolby-E frame timing is outside the Dolby specified ‘Ideal’
range. A Warning event will be given if the signal is OK but slightly outside the range and an Error event if it is on an invalid line.
Common Metadata
will log any changes of the common metadata (Program Configuration, Bit Depth, Frame Rates)
Menu Reference
Program Metadata
will log any changed program metadata. This can be useful for following changes to a program stream over a long period of transmission.
Logging
This section controls ALL logging events
Clear clears all entries in the event log.
Enable enables the logging process. If this is not checked, no events will be added
to the log. This is a simple method of turning off ALL logging temporarily.
Beep causes the Sx will emit a short tone when an Event is added to the log. Note
that the beep will happen even if the Speaker is set to Mute.
SYS Errors allows system errors to be displayed in the Event Log if they happen. If you
are having problems with your Sx, checking this box can add events that can help PHABRIX determine the nature of the problem.
System Info allows system to report additional internal messages in the Event Log if they
happen. If you are having problems with your Sx instrument, checking this box can add events that can help PHABRIX determine the nature of the problem.
Save saves the current event log to a text file in the currently specified language.
The log file created, logfile.txt may be downloaded using a FTP connection. If the CSV box is checked then a comma separated value file will be created
Log Time Limit
The time when logging is enabled may be limited by time of day. Logging will start at the specified start time and end at the specified end time. The specified times must be after the current time. Un-check the box to log at all times. Logging must be enabled using the check box above for this to work.
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Menu Reference

Log ANC Status

Select All Pressing this causes the check boxes for all packets to be checked.
Select Active Pressing this causes the check boxes for all packets currently present to be
Select All Pressing this causes the check boxes for all packets to be un-checked.
Setup This allows the user to define and name their own DID/SDID values for an
The Log ANC Status menu allows user-setup of which ANC packets to log for changes in status (e.g. Present, Checksum Error, Missing, Parity Error). Individual check-boxes are provided to determine which packet DID/SDID combinations are logged.
checked.
ANC packet type.
Reset Clears the state for all packet types and thus a packet that was displayed as
previously in error is shown as OK.
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Speaker Menu

Overview

The Speaker menu controls which audio pair that can be heard on the loud speakers and headphone output of the unit.
The Sx instrument contains a loud speaker and associated stereo headphone socket which can be connected to any of the audio input or output channels or pairs.
The “Mute” check box allows both signals to be muted.
Menu Reference
A volume control is provided to adjust the level to headphones and speaker together. The balance control can be used to adjust the Left-Right balance for the source being monitored.
The monitored source can be set to the input or output of the SxTAG and the input and output sources can be set independently to either a stereo pair or single audio channel.
The “Analyzer Source” is used to select the specific input that is to be heard.
The speaker can be muted when headphones are plugged in by checking the “Mute Spkr if Headphones” control.
Note that when listening to an audio source, the Sx instrument needs the audio to be synchronous with that of the Sx Generator. If this is NOT the case, ‘clicks’ will be heard on the speaker. Either connect the Sx instrument reference to the same reference as the SDI input source and set the Generator - GenLock source to Ref or set the genlock source to Input-1.
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Menu Reference
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PHABRIX
®
®
broadcast excellence
A
Glossary
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Glossary
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Glossary of Terms

2K-SDI 2K digital cinema can be transmitted via SDI as defined in the SMPTE
ST 2048-2:2011 standard (“2048 x 1080 Digital Cinematography Production Image FS/709 Formatting for Serial Digital Interface”) and SMPTE 428-9 (D-Cinema Distribution Master - Image Pixel Structure Level 3 - Serial Digital Interface Signal Formatting).
3G-SDI is a single 2.970 Gbit/s serial link (standardized in SMPTE 424M) that
will replace the dual link HD-SDI (is standardized in SMPTE 372M).
AES Audio Engineering Society
AES3-2003 standard for digital audio — Digital input-output interfacing —Serial
transmission format for two channel linearly represented digital audio data.
AES Eye This is the facility unique to the SxTAG that allows the AES waveform
to be displayed as an Eye Pattern and allows the AES signal locking to be checked.
CPU Central Processor Unit
CRC (cyclic redundancy check) is an error-detecting code commonly used
in digital networks and storage devices to detect accidental changes to raw data. Blocks of data entering these systems get a short check value attached, based on the remainder of a polynomial division of their contents; on retrieval the calculation is repeated, and corrective action can be taken against presumed data corruption if the check values do not match.
Glossary
DID (Data ID) is part of the Ancillary Data that is transmitted with the SDI
data.
Dolby Digital (AC-3) is a ‘perceptual audio’ system for digital audio that allows the
reduction of data needs to deliver high-quality sound. This system was developed primarily for DTV, DVD and HDTV.
Dolby Digital Plus (E-AC-3) is a more advanced version of Dolby Digital that provides a
more efficient encoding algorithm that provides enough bandwidth that allows up to 20 channels of audio (for a primary programme (Programme 1) and optional ancillary programs that can be delivered at much lower bit rates than Dolby Digital.
Dolby E is an audio encoding and decoding technology developed by Dolby
Laboratories that allows up to 8 channels of audio to be compressed into a digital stream that can be transferred between compatible devices and stored on a standard stereo pair of audio tracks.
EDH (Error Detection and Handling) protocol is an optional but commonly
used addition to the Standard Definition-Serial Digital Interface (SDI) standard. This protocol allows an SD-SDI receiver to verify that each field of video is received correctly.
FPGA a field-programmable gate array (FPGA) is an integrated circuit
designed to be configured by the customer or designer after manufacturing.
Function Buttons these are the set of 8 buttons below the Instrument Display on the Sx
and Rx Ranges that are used to select the Instrument Display menu options.
GPI General Purpose Input
SxTAG Operaon Manual A–3PHSXT-200 3
Glossary
Graticule this is the scale displayed on an oscilloscope, vector scope or
Input Status Bar is the bottom part of the Monitor Output display that shows the
Instrument Display is the TFT monitor available on the Sx Range of products and on the
MSA (SFP) (multi-standard agreement) is an industry agreed connection system
Navigation Buttons These are the up, down, left, right arrow buttons available on the Sx
Non MSA (SFP) This is an SD-SDI, HD-SDI and 3G-SDI small form-factor pluggable
waveform monitor that provides a visual indication of the signal amplitude, time base and phase relationship.
format and status of the input signals currently connected to the Rx chassis.
Rx 2000.
for small form-factor pluggable package fibre optic connection for a range of communication and video transport formats employing a Datacom Pinout.
This type of SFP is NOT supported by the SxTAG
and Rx Ranges.
package, for fibre video connection, which provides an SDI output employing a Video Pinout. SMPTE 297-2006 compatible.
Approved SFPs of this type are supported by the SxTAG
OLED Organic Light-Emitting Diode
PHABRIX Rx 500 is a 1U height half rack mount Rasteriser which is small and light
enough to fit a variety of applications from camera shading in OB environments or studio editing suites as well as manufacturing R&D departments. The Rx 500 has two input slots with 4 simultaneous inputs. All inputs are switchable and each can be independently controlled as picture or analysis instruments on an HDMI Monitor Output.
PHABRIX Rx 1000 is a 1U height 19” (482cm) rack mount Rasterizer with the ability
to monitor up to 8 simultaneous inputs with loop through and is powerful enough to support simultaneous display of instruments across each module on HDMI Monitor Output. All inputs are switchable and each can be independently controlled as picture or analysis instruments with central control and report logging.
PHABRIX Rx 2000 is a 2U height 19” (482cm) rack mount Rasterizer with 2 on-board
displays and the ability to monitor up to 8 simultaneous inputs with loop through and is powerful enough to support simultaneous display of instruments across each module on HDMI Monitor Output. All inputs are switchable and each can be independently controlled as picture or analysis instruments with central control and report logging.
PHABRIX SxA is a 3G-SDI , HD-SDI and SD-SDI handheld SDI test signal generator,
analyser and monitor supporting AES audio.
PHABRIX SxD is a 3G-SDI , HD-SDI and SD-SDI handheld SDI test signal generator,
analyser and monitor supporting dual link.
PHABRIX SxE is a 3G-SDI , HD-SDI and SD-SDI handheld SDI test signal generator,
analyser and monitor supporting eye and jitter measurement.
PHABRIX SxTAG Configured as an entry level portable analyser, the TAG can be easily
upgraded using a range of software options to provide a sophisticated instrument for testing broadcast infrastructures.
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Pre-set Buttons These are the set of 8 buttons below the Video Confidence display on
the Rx 2000 that are used to select pre-defined inputs for display.
PSU Power Supply Unit
SDI (Serial Digital Interface) capable of transferring SD or HD broadcast
video and broadcast audio between compatible devices.
SFP Small form-factor pluggable package typically providing fibre optic
connection and employing a MSA Datacom Pinout or a Non-MSA Video Pinout
SMPTE (Society of Motion Picture & Television Engineers)
SMPTE RP211 Implementation of 24P, 25P and 30P Segmented Frames for 1920 x
1080 Production Format
SMPTE 259M Implement a SMPTE 259M Serial Digital Interface Using SMPTE
HOTLink™ and CY7C9235/9335
SMPTE 260M Television - 1125/60 High-Definition Production System - Digital
Representation and Bit-Parallel Interface
SMPTE 274M High Definition (HD) Image Formats for Television Production
SMPTE-276M Television - Transmission of AES-EBU Digital Audio Signals Over
Coaxial Cable
Glossary
SMPTE 292M Bit-Serial Digital Interface for High-Definition Television Systems
SMPTE 296M 1280 × 720 Scanning, Analogue and Digital Representation and
Analogue Interface
SMPTE 297-2006 Serial Digital Fiber Transmission System for SMPTE 259M, SMPTE
344M, SMPTE 292 and SMPTE 424M Signals
SMPTE 352 Payload Identification Codes for Serial Digital Interfaces —
Amendment 1
SMPTE 424M 3 Gb/s Signal/Data Serial Interface
SMPTE 425-B Mapping of 2 x SMPTE 292M HD SDI interfaces. Level-B can carry a
Dual Link 1.485 Gb/s payload or two HD 1.485 Gb/s payloads..
SMPTE 425M-A Direct mapping of source image formats
SMPTE 428-9 D-Cinema Distribution Master – Image Characteristics
TFT (Thin Film Transistor) is a type of LCD (Liquid Crystal Display) monitor.
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Glossary
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PHABRIX
®
®
broadcast excellence
B
Specification
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Specification
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SxTAG Instrument

Operating Environment

Operating Temperature 0-40 °C Operating Humidity <85% RH (no condensation If the unit is operated at a higher temperature there is a possibility of a fire hazard.
If the temperature is changed rapidly from a cold environment to a hot environment, moisture can be created internally which can cause malfunction or damage the unit. Allow the unit to sit for 30 minutes without power applied to reduce any possibility of condensation.
If the temperature rises above 60°Centigrade a warning dialogue will be given. If the temperature rises above 65°Centigrade the unit will be turned OFF.
Under both conditions, an event will be added to the event log to show what happened.

Expected Behavior

LCD Monitor
The LCD may have some pixels that are always turned ON or always turned OFF. This is normal and should not affect normal operation.
Specification
LCD Flicker
The unit supports many video standards. The input SDI signal is displayed asynchronously and may flicker on the waveform display or picture display. The unit stores the input SDI signal internally, and then reads the internal frame using the LCD sync signal, which is asynchronous to the input SDI signal. LCD flickering may occur if a frame is skipped or repeated.
Remote Network Operation
Remote network operation is only guaranteed when connected to a local machine.

Dimensions

Dimensions 230 (L) x 93(H) x 45(D) mm Weight 2kg
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Specification
Internal Speaker
Menu Buttons
Cursor/OK Buttons
SDI I/O
PAL/NTSC
OUT
PAL/NTSC
(AES-EYE)
IN
REF
I/O
VIDEO
SFP
NON-MSA

Front Panel

The front panel provides access to the TFT Display and menu system.
Display Type 4.3 inch TFT colour Display Format 480 x 272 24 bits Backlight Variable brightness Screen Saver Reduces brightness after user adjustable time.
Power On/Off

BNC Panel

The SxTAG BNC panel provide the following connections.
SDI I/O
This connection is a bidirectional SDI interface. The SxTAG can work as Analyser or Generator but not both at the same time.
When working as an Analyzer this connector functions as follows:
Supported standards SD-SDI or HD-SDI. See Supported formats Connector BNC 75Ω type Input Impedance 75 ohm terminated Input Return Loss >= 15dB (5MHz to serial clock frequency) Maximum Input Voltage +/- 2V
When working as a Generator this connector functions as follows:
Supported standards SD-SDI or HD-SDI. See Supported formats Connector BNC 75Ω type Output Impedance 75 ohm terminated Output Level +/- 400mV
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PAL/NTSC Out
Supported standards PAL-M, PAL-N, NTSC Connector BNC 75Ω type Output Impedance 75 ohm terminated Output Level 1V into 75Ω Frequency Response DC to 5.8Mhz ±1% Waveform Accuracy <1% Vector Accuracy ±1°
PAL/NTSC (AES Eye) IN
Supported standards PAL-M, PAL-N, NTSC Connector BNC 75Ω type Input Impedance 75 ohm terminated Input Return Loss >= 35dB (100Hz to 10MHz) Maximum Input Voltage +/- 2V
REF I/O (
The Ref I/O connection is bidirectional. When operating as a reference input is has the following characteristics:
Label REF I/O Input Signal Tri-level or Bi-Level (black burst) syncs 50/59.94/60Hz Connector BNC 75Ω type Input Impedance 75 ohm terminated Maximum Input voltage +/- 2V Specification Tri-level syncs (SMPTE274M and SMPTE296M) 600 mV pk-pk
PAL Black Burst (ITU624-4/SMPTE318) 1V pk-pk, Composite NTSC (SMPTE 170M) 1V pk-pk
Specification
When operating as a reference output it has the following characteristics: Supported standards PAL-M, PAL-N, NTSC Connector BNC 75Ω type Output Impedance 75 ohm terminated Output Level 1V into 75Ω Frequency Response DC to 5.8Mhz ±1% Waveform Accuracy <1% Vector Accuracy ±1°
SFP Cage (Option)
Interface Single Tx, Single Rx or Transceiver (Non-MSA) Module Types Non-MSA Video Pinout conforming to SMPTE 297-2006
Supporting Fibre SD-SDI, HD-SDI and 3G-SDI
PHRXM-OPTAG (G02929-31CM) Transceiver
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Specification

Control Panel

Power Connection
Voltage 5V +/- 5%. (DC Power adapter provided) Power Requirements AC 90-250V 50/60Hz 10W max
Networking
Ethernet IEEE802.3 10/100Mb/s (10/100-base-T connection) Ethernet Connector RJ-45 Purpose Browser control of instrument and FTP access to system files and
The SxTAG Control panel provide the following connections.
allowing the instrument to be connected into a network and accessed via TCP/IP so that it can be controlled remotely.
Audio I/O Connector
Connector Type 15-way D-type, High Density, Female 1 Analogue balanced audio input Left + 2 Analogue balanced audio input Right + 3 Analogue balanced audio output Left + 4 Analogue balanced audio output Right + 5 AES Audio Input 6 0V analogue 7 0V analogue 8 0V analogue 9 0V analogue 10 0V AES 11 Analogue balanced audio input Left ­12 Analogue balanced audio input Right ­13 Analogue balanced audio output Left ­14 Analogue balanced audio output Right + 15 AES Audio Output
Analogue Balanced Audio Input (15-Way Connector)
Input Impedance 10K ohm terminated Input Type Differential, AC coupled Frequency Response 50Hz to 18kHz ±1% Maximum Input Voltage ?V at 0dBfs
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Analogue Balanced Audio Output (15-Way Connector)
Output Impedance 10K ohm terminated Ouput Type Differential, AC coupled Frequency Response 50Hz to 18kHz ±2% Maximum Output ?V at 0dBfs
Analyzer AES Input (15-Way Connector)
Input Impedance 75 ohm terminated Maximum Input Voltage +/- 2V Sample Rates The input has a sample rate converter and so will accept any sample
rate from 32kHz to 192kHz.
Specification Conforming to AES3-2003 and SMPTE-276M
Generator AES Output (15-Way Connector)
Input Impedance 75 ohm terminated Output Voltage 1V Sample Rates 48kHz Specification Conforming to AES3-2003 and SMPTE-276M
Headphone Output
Specification
Connector Miniature 3.5mm Stereo Jack Level Adjustable Purpose Local monitoring of audio
Local Control
USB USB 1 USB Connector Mini A/B Purpose Software installation.
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Specification
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