IQDMSES 1-S, 2A-S, 1A-S Owner's Manual

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IQDMSES Multi-standard Digital Encoder

Module Description

The IQDMSES is a full broadcast quality multistandard encoder. A 10-bit SDI input is encoded into PAL, PAL-N or SECAM for 625 line inputs and NTSC or PAL-M for 525 line inputs. A full frame synchronizer and color frame accurate genlock allows for simple installation.

Without a reference a minimum delay mode is automatically selected. For maximum signal fidelity the analog reconstruction uses a 12-bit 2 x oversampled DAC. Standard VITS may be inserted onto the output

REAR PANEL VIEW

IQDMENCS/SES-1-S

COMPOSITE

SERIAL IN

REFERENCE

SER OUT

COMPOSITE

OUT

212

SERIAL OUT

REFERENCE

IQDMSES

-1A-S

Versions of the module cards available are: IQDMSES -1-S Broadcast Encoder with 2 composite outputs and 1 SDI output Single width module IQDMSES -1A-S Broadcast Encoder with 3 composite and 2 SDI outputs Single width module IQDMSES -2A-S Broadcast Encoder with 5 composite and 2 SDI outputs Double width module

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Note that there are two styles of rear panels available. They are not interchangeable between the two styles of enclosures. However, the cards may be fitted into any style of enclosure.

‘A’ Style Enclosure

Rear panels with the suffix A may only be fitted into the ‘A’ style enclosure shown below.

(Enclosure order codes IQH3A-E-0, IQH3A-E-P, IQH3A-0-0, IQH3A-0-P)

‘O’ Style Enclosures

Rear panels without the suffix A may only be fitted into the ‘0’ style enclosures shown below.

setup

lock save

recall

modules

help

adjust

scroll

power

return

home

control

information

display select

power

(Enclosure order codes IQH1S-RC-0, IQH1S-RCAP, IQH1U-RC-0, IQH1U-RC-AP, Kudos Plus Products)

power

OPEN

(Enclosure order codes IQH3N-0, IQH3N-P)

(Enclosure order codes IQH3U-RC-0, IQH3U-RCP)

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BLOCK DIAGRAM

Switches

Processor

RollCall

SECAM

SPG

E Q

Frame

Synchronizer

Encoder

Reference

Video

Serial 656 Input

Up to 5 Composite

Outputs

Up to 2 Serial 656

Outputs

Features

PAL/NTSC/NTSC-J/PAL-M/PAL-N/SECAM broadcast quality encoding

• 12-bit oversampled, DAC with 601 quality reconstruction

• Full genlock and minimum delay operation

• Full Frame Synchronizer

• Gamut limiting using optimal hue and intensity modification

• Internal pattern and VITS generation

• Pass or blank vertical interval data

• NTSC pedestal control

• Tolerant of SMPTE RP168 serial switching

• Selectable SECAM Bottles

• SECAM Genlock to PAL switch or SECAM

• SECAM dynamic notch

• Up to 5 x composite outputs

• Up to 2 x serial 4:2:2 reclocked outputs

• EDH checking on SDI input

• RollCall™ compatible

• RollTrack™ link to tracking audio delays

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Features

Signal Inputs

Serial Digital........................1 x Equalized SDI

Standards............................SMPTE 259M-C-1997

Reference input...................Composite or black burst

Signal Outputs

Serial Digital........................Up to 2 x reclocked SDI

Standards............................SMPTE 259M-C-1997

Composite...........................Up to 5 x encoded outputs

Standards............................PAL/NTSC//NTSC-J/PAL-M

/PAL-N/SECAM

Card Edge Controls (also available via RollCall)

Standard - ...........................PAL/NTSC//NTSC-J/PAL-M

/PAL-N/SECAM

Test pattern select...............Black, Color bars, various test lines

VITS Insert..........................On/Off

Vertical Data........................Pass/Strip

Genlock Mode.....................Internal (Min Delay) lock/ Zero ScH

Lock

Genlock H-Phase offset......±1.9 lines

Genlock Fine H-Phase Offset

cycle of subcarrier

Genlock SC Phase Offset 360°

SECAM Notch.....................On/Off

SECAM Carrier ...................On/Off

SECAM Pre-Filter................On/Off

NTSC Pedestal ...................On/Off

Blanking Width....................Normal/Legal minimum

to CCIR

624

RGB Limiter.........................On/Off

Gain.....................................±0.5 dB

Preset Unit ..........................On

EDH.....................................Present : error second : error hour

Indicators

Power Supplies OK No Input No Reference

ScH Error ...........................Output or Reference ScH error

Synchronizer Delay.............Flashes if >1 ms

EDH ....................................Present, Second Error, Hour Error.

Functions Available via RollCall™ Only

Logging ...............................Input change/EDHScH Error

EDH Monitor........................Show/Reset Statistics

RollTrack™ Compatible

Specifications

Reference Input Standard...525/625 (same standard as D1

input) Composite or Black Burst Reference Level

Standard level ±3 dB

Serial Input Return Loss......Better than -15 dB to 270 MHz

Serial Output Return Loss...Better than -15 dB to 270 MHz

Composite Encoding...........12-bit

Y Frequency Response.......5.5 MHz ± 0.05 dB

U/I and V/Q Frequency Response

<-3 dB @ 1.3 MHz >20 dB at

4.0 MHz

Differential Gain .................Better than 0.2%

Differential Phase ...............Better than 0.2°

ScH Phase..........................0° ±2° (or variable in Variable ScH

Locked Genlock mode)

Composite Output Return Loss

Better than 35 dB to 5.8 MHz

Delay (minimum delay mode) <4 µs

Power Consumption

Module Power Consumption 7.5 W max

EMC Performance Information

Environment .......................Commercial and light industrial E2

Peak Mains Inrush Current following a 5 second mains interruption No mains input

Performance Information.....No performance degradations or

cable length limitations

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INPUTS AND OUTPUTS SERIAL INPUT The connector is the serial digital video input to the

encoder via a BNC connector terminated in 75 Ohms.

REFERENCE INPUT These are the high impedance loop-through

connections via BNC connectors for a black burst or composite video reference signal.

SERIAL OUTPUTS These are the Serial Digital outputs of the unit via

BNC connectors.

SERIAL IN

REFERENCE

SERIAL OUT

REFERENCE

SERIAL OUTPUT

SERIAL OUT

REFERENCE

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COMPOSITE OUTPUTS These are the composite video outputs of the unit

via BNC connectors.

IQDMSES-2

REFERE

COMPOSITE OUTPUT

COMPOSITE

OUT

IQDMSES

-1A-S

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CARD EDGE CONTROLS

Adjustment of the settings of the IQDMSES is available either via card edge controls and/or via a more comprehensive remote control system using RollCall™

Note that the availability of some of the card edge controls will depend on the card version; see feature table for variations.

LED INDICATORS +5V and -5V When illuminated these LED’s indicate that the

+5 V and -5 V supplies are present. No Input The No Input LED will be continuously illuminated

when the unit is not receiving an input signal. Note that in the Genlock mode this LED will flash

when the input signal is of a different line standard to that of the reference input. Under these conditions the output signal standard will be the same as the reference signal; the input signal will be ignored.

No Ref When the No Ref LED is illuminated this indicates

that the unit is not receiving a reference input signal. Note that the No Input and No Ref LEDs will

flash alternately when the unit is configuring or reconfiguring in the event of a standard change.

The message Please wait.... will appear in the

lower line of the Information window during this operation.

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EDH LEDs EDH Present This LED will be illuminated if EDH is present on

the serial input. In the event of an EDH error being detected the EDH Present LED will become extinguished and the EDH Sec and EDH Hour LEDs will become appropriately illuminated.

EDH Sec

The EDH Sec LED be extinguished if no errors have occurred during the previous second.

EDH Hour

The EDH Hour LED be extinguished if no errors have occurred during the previous hour.

ScH Error/Delay Warning

This dual function LED warns of Genlock error conditions.

It will be illuminated if ScH errors are detected in the reference signal.

It will flash to warn that the delay through the synchronizer exceeds 1 ms.

LINKS

Remote LK1

Note that the unit will respond to both local and remote control, one system overriding the settings of the other For cards using the RollCall™ remote control system, activating the switches will override the remote control settings. The RollCall™control panel will then follow these settings.

Note that in Main-frames where RollCall™ is not available the link LK1 (Remote) should be set to the OFF (unconnected) position. This ensures that when the unit is powered-up the factory default settings of parameters not available as card edge adjustments, are loaded. With the link in the ON (connected) position card will power-up with the last settings sent by the remote control panel.

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SWITCHES Two push buttons, a Hex switch and a 8 way DIL

switch allow various functions and modes to be set.

The DIL switch selects a particular function and the Hex switch selects a mode or variable parameter.

The push buttons PB1, PB2 allow the value of the selected function/parameter to be adjusted.

The Mode select switch may select a mode or a parameter that may be adjusted.

Note that to select the preset value both buttons should be pressed together.

FUNCTION AND MODE SELECTIONS

These switches allow the module to be operated when an active front panel is not available. All functions available via an active front panel are duplicated by these switches. More detailed information about these functions will be found under MENU DETAILS starting on page 11a.9

DIL SWITCH FUNCTIONS Position 1 When set to ON (Down) This position allows the

encoder to produce a test pattern signal as an output.

Positions 2 and 3 These positions are used to set the Genlock

Mode as shown in the table below: (ON=Down, OFF=Up and X = don’t care)

PAL/NTSC operation

Mode Position 2 Position 3 Zero SC/H Lock OFF OFF Internal Lock X ON

Or when SECAM operation is selected the functions become as in the table below:

Function Position Selection Bottles 2 UP=Bottles ON,

DOWN=Bottles OFF

Lock 3 UP=Locked to Reference

DOWN=Internal Lock

For detailed information on Genlock operation see Appendix 1 on page 15

Position 4 This position allows the data in the vertical

interval of the input signal to be either passed (OFF) to the output or blanked (ON) from the output

Position 5 This position allows the limiter to set ON or OFF.

In the ON position the limiter will restrict the RGB signal levels.

Positions 6 and 7 These positions allows the output standard of the

encoder to be set.

O/P Std. Position 6 Position 7 PAL-N/PAL-M ON OFF PAL/ NTSC OFF OFF SECAM/NTSC X ON

The output standard will reflect the operating line standard; for example NTSC/PAL-M is only available if the operating standard is 525 line.

The operating line standard will be determined by the following detection method (in order of priority)

1. The reference input standard (signal input standard ignored) when in Genlock mode.

2. If there is no reference signal, by the input signal standard.

3. If there is no reference signal and no signal input the standard may be selected by using either the Mode Select switch or the Menu

system of an active front panel. Note that to use this method of selection the module must be operating in the Internal Lock mode set by the DIL switch positions 2 and 3 or via the Genlock menu.

Position 8 This position has no function at present.

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MODE SELECT SWITCH The Mode select switch may select a mode or a

parameter that may be adjusted. The push buttons allow the value of the selected

function/parameter to be adjusted.

Note that to select the preset value both buttons should be pressed together.

Function Switch Action of PB1 Action of PB2 S/C Phase 0 Rotates vectors anticlockwise Rotates vectors clockwise H Phase 1 Moves output ahead of reference Moves reference ahead of output Pattern Select 2 Moves up through list of patterns Moves down through list of patterns NTSC Pedestal 3 Turns pedestal OFF Turns pedestal ON H Blanking 4 Selects standard composite blanking Selects legal minimum allowed by CCIR 624 VITS Insert 5 Removes VITS Inserts VITS EDH Reset 6 Resets EDH statistics Resets EDH statistics No Function 7 N/A N/A DAC Gain 8 Reduces gain Increases gain

Standard

(1)

9 Selects 625 line standard Selects 525 line standard

SECAM Notch A Turns OFF notch Turns ON notch SECAM Carrier B Turns ON carrier Turns OFF carrier SECAM pre-filter C Turns OFF pre-filter Turns ON pre-filter No Function D No Function No Function No Function E No Function No Function Preset Unit F Press together to select all preset values

(1) Normally the standard selection is automatic.

If there is no input signal and no reference signal available to determine the operating standard this switch and the DIL switch (positions 6 and 7) should be used to set the output standard. Ensure that the Genlock Mode is set to Internal Lock.

Note that the availability of some of the above functions will depend on the operating mode of the module. e.g. test patterns will be different for different line standards; availability of phasing controls will depend on the genlock mode etc.

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RollCall PC Control Panel Screens for the IQDMSES

Control

This screen allows various settings to be selected.

Standard

This item allows the operating standard of the unit to be set.

The operating line standard will be determined by the following detection method (in order of priority)

1. The reference input standard (signal input standard ignored) when in Genlock mode

2. If there is no reference signal, by the input signal standard.

3. If there is no reference signal and no signal input the standard may be selected by using this menu. This allows the module to provide test signals in different standards.

Note that to use this method of selection the module must be operating in the Internal Lock mode set in the Genlock menu.

If the input standard as detected by either (1) or (2) above is 625 line this will allow PAL, PAL-N or SECAM to be selected as the output standard.

If the input standard as detected by either (1) or (2) above is 525 line this will allow either NTSC or PAL-M to be selected as the output standard.

If the signal input and reference input are of different line standards, the unit will output a black signal at the reference signal line rate.

EDH Statistics

The input stream is continuously monitored for EDH errors. Basic information on this can be monitored and/or reset here.

The following functions may be selected: Show Stats EDH errors will be displayed in the information

area. Reset The EDH error count will be reset to zero.

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Control (continued) Test Pattern

When checked, the selected test pattern via the

Test Patterns Screen will appear at the output. Legalize Gamut

When checked this function prevents excessive amplitudes of chrominance (out of Gamut) being produced at the output. This system will find the visually nearest allowed colour in all circumstances. Normally this will involve desaturation, so maintaining the same hue, but where this is not possible (e.g. >100% yellow), the luminance value will be modified to give a legal visual approximation to the illegal colour. Note that some contouring may be visible on the corrected areas of the image. The letters GAM will appear in the lower line of the control window when this is enabled.

Insert VITS

When this function is checked the four standard VITS lines are inserted in the vertical interval. The letters VTS will appear in the lower line of the control window when this is enabled.

Minimum Blanking

When checked the blanking width will be reduced to the minimum allowed by CCIR 624.

Pass Vertical_Data

When checked (text reversed) the unit will pass data (unblanked) present in the vertical interval, to the output.

In 525 line standards all vertical interval lines from 11 and 274 onwards are unblanked with the exception of the half lines 263 and 283. In 625 line standards all vertical interval lines from 7 and 320 onwards are unblanked with the exception of the half lines 23 and 623." When unchecked (text normal) all data in the vertical interval will be blanked. When this item is checked the word PVD will appear on the bottom line in the information window.

NTSC

Pedestal (for NTSC output only)

This function allows the pedestal to be ON (included) or OFF (removed) from the output signal. When checked the output standard will be shown as NTSC; when unselected it will show NTSC-J, the version of NTSC used in Japan.

Note that after changing the NTSC_Pedestal selection the output signal will be blanked for about 5 seconds to allow for reconfiguration.

System I Blanking (PAL Output Standard only) When this item is checked blanking will conform to

the System-I standard.

Pass Line 23

When checked the unit will pass the whole of line 23 (WSS line) in PAL & PAL-N standards. When inactive only half of line 23 is passed in accordance with CCIR-624.

Note that this control has no effect on 525 line standards.

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Genlock

This screen allows various modes of genlock to be enabled.

Note that for this and other screens the following applies to the scroll bars:

The

and symbols at the ends of the scroll bar allow the value to be adjusted in discrete steps.

The numerical value will be shown next to the scroll bars and selecting Preset

will return the

setting to the calibrated value for that item.

Genlock Modes

Internal When this function is checked the output signal will

be locked to the serial input (if available) or free-running if no serial input is available.

In this mode the frequency accuracy will be ±10 ppm

Notes:

1. This mode will be automatically enabled if the

signal input and reference input are of different line standards and the output will default to black burst in the reference standard.

2. This mode should be selected if test patterns of

a particular line standard (and different to the reference input) are required at the output.

Zero SC/H Lock In this mode the module locks to the reference

subcarrier and will always produce a zero ScH (Subcarrier phase to H-Phase) output. The output H timing will be maintained as close as possible to the reference H timing in the correct colour frame. The ScH warning LED will light if the ScH error of the reference is > 20° (approx.), indicating that the colour framing will be lost should the reference ScH error increase.

Note that the output will always be 0° ScH phase regardless of the reference ScH phase.

SC Phase

This function allows the relative phasing between the reference subcarrier and the output signal subcarrier to be adjusted. Rotating the spin-wheel will adjust this value and the numerical display shows the phasing in degrees. The range of adjustment is 359.9° (continuously adjustable) in steps of 0.1° and the preset value is 0° (Output coincident with reference)

Horizontal Phase

Selecting this item reveals a display showing the horizontal timing of the output signal relative to the reference sync signal, in nanoseconds. Rotating the spin-wheel will adjust this value. The range is approximately ±1.9 lines in steps of one cycle of subcarrier. (This ensures the correct SC/H timing is maintained)

Selecting Preset returns the setting to zero. (Output coincident with reference)

SECAM Genlock For SECAM the output will H phase to a PAL black

or black-burst reference; Db/Dr phase is such that if the reference has a PAL burst, a V-Switch (Phase = 135°) of burst on Line 1, Field 1 will produce a Dr line in the encoded output. If a SECAM reference signal is used the output Db/Dr sequence will be locked to that of the reference signal.

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Proc Amp

This screen allows various adjustments to be made to the processed signal.

Y (Luminance) Gain This selection reveals a numerical readout display

for the gain of the luminance signal. By rotating the spinwheel the gain may be adjusted by ±6 dB in steps of 0.1 dB.

Selecting Preset returns the setting to the calibrated value of 0.

Black Level This selection reveals a numerical readout display

for the Y pedestal or black level. The range of adjustment from standard level is

+127 to -128 arbitrary units. Selecting Preset returns the setting to the

calibrated value of 0. C (Chrominance) Gain This selection reveals a numerical readout display

for the gain of the chrominance signal. By rotating the spinwheel the gain may be adjusted by ±6 dB in steps of 0.1 dB.

Selecting Preset returns the setting to the calibrated value of 0.

DAC Gain

This selection reveals a bargraph readout display for the DAC gain. The overall output signal level may be adjusted with this function.

The range of adjustment from standard level is +127 to -128 arbitrary units.

Selecting Preset returns the setting to the calibrated value of 0.

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Test Patterns

This screen allows the unit to output test pattern signals.

This function is enabled by checking the Test Pattern item. The following signals will then be available for selection:

Patterns PAL

MUTE BLACK 75%COLOUR BARS 100%COLOUR BARS VITS-17 VITS-18 VITS-330 VITS-331

Patterns NTSC

MUTE BLACK 75%COLOUR BARS 100%COLOUR BARS NTC7-1 FCC-MULTIBURST NTC7-2 FCC-COMPOSITE

Patterns SECAM

MUTE BLACK 75%COLOUR BARS 100%COLOUR BARS

MUTE When activated the unit will not produce a signal of

any kind.

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SECAM Options Notch Filter

When checked (text highlighted) the SECAM luminance notch filter will be enabled.

Preset is to notch filter ON.

Bottles

This function allows the SECAM-V color ident signal (Bottles) to be switched ON or OFF.

Preset is to Bottles OFF.

Carrier Off

This function allows the chrominance carrier to be switched ON or OFF.

Preset is to ON.

Chroma Pre Filter

This function allows the chrominance filter to be switched ON or OFF.

Preset is to ON.

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RollTrack

This function allows the value of the delay time produced by this module to be sent, via the RollCall™ network, to audio delay units connected on the same network. This enables compatible audio delay units to produce an audio delay dependent on this and other similar units. The audio delay unit will dynamically follow or track the received delay-time information allowing processed video signals to be timed correctly with audio signals. This automatic tracking system via the RollCall™ network is call RollTrack.

For more detailed information, see the RollTrack section (Appendix) at the end of this manual.

The destination for the delay information is set by the network code address as follows:

RollTrack allows up to 8 audio delays to be selected as a destination.

Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8

The address of the selected destination unit may be set by editing the text line.

To change the address, type the new destination in the text area and then select

(return)

(Preset) returns to the default destination.

The full network address has five sets of numbers. For example: 0000:10:01*14*51 The first set (0000) is the network segment code

number The second set (10) is the number identifying the

(enclosure/mainframe) unit The third set (01) is the slot number in the unit The fourth set (14) separated by an * is the

channel number.

Note that only channel numbers 14, 15, 16 & 17 should be used for audio delay cards.

The fifth set (51) is the board type identification. Once a destination address for a unit has been set

the OK function will return to the unit menu to allow another address to be set if required.

For more detailed information see the RollTrack section of this manual.

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Setup

Selecting this function presets various functions such that some sort of signal is produced at the output even though some settings may be inappropriate for the input signal. This is useful if many settings have been set in error such that no output signal is being produced.

Logging If a logging device is attached to the RollCall™

network, information about various parameters will be reported to the logging device assigned in the Remote Control Interface system. (See Section 1) The RCIF Menu System can be made available to such a device.

Input / Standard Change When activated, a loss of input signal condition or

change of input line standard will be available for the logging device.

Reference Status When activated the reference signal condition will

be notified to any logging device. EDH Errors When activated, EDH error information will be

available for the logging device.

Default Output

If the input signal fails or is of poor quality the selected pattern will become the output signal.

MUTE When activated the unit will not produce a signal of

any kind. Software Version Selecting this item reveals a display showing the

version of the software fitted in the module followed by the serial number of the unit.

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THE INFORMATION WINDOW The Information window has four lines of text

indicating current selections and various information messages.

Note that in a RollCall™ system some units will overwrite the information window indication with their own messages. Under these conditions the control panel will only be able to write to the information window when the unit has been disconnected.

These lines provide specific information about the operating conditions of the module.

Example of text displayed

Line 1 Inp:OK Std:PAL Line 2 Ref:OK EDH: DW Line 3 ZSC GAM VTS PVD PAT

Text Line Details

Line 1 This line gives information about the

state of the video input and the output standard. Input state may be OK, ERR (input error detected) or ***(no signal connected) Output standard may be PAL, NTSC, or NTSC-J.

Line 2 This line gives information about the

state of the reference input. Reference may be OK, ***(no signal connected) or SCE (an input subcarrier error detected. e.g. a ScH error of >60°) It will also show EDH statistics(NONE, Fail or OK) and whether the synchroniser delay has exceeded 1 ms (DW = Delay Warning)

Line 4 This will display setup messages. ZSC Genlock Zero SC/H Lock enabled If the text is static (not flashing) this indicates that

the unit has sucessfully genlocked to the reference source. If the text is flashing this indicates that the unit is attempting to genlock to the reference source.

GEN SECAM Genlock GAM RGB Limiter enabled VTS Insert VITS enabled PVD Pass Vertical Data enabled PAT Pattern ON enabled

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Operation from an Active Control Panel

The card may be operated from an active control panel via the RollCall™ network.

All operational parameters and selections are made using a system of menus displayed in two LCD windows. Operational details for the remote control panel can be found in the Modular System Operator's Manual.

Information Window

The Information window has four lines of text indicating the current state of the unit.

For details of the abbreviations used please see page 31.

Control Window

The Control window displays all Selection Menus and sub-menus.

The selection is made by pressing the button adjacent to the required item.

The menu structure is detailed in the following pages.

01:IQDMSES Inp:OK Std:PAL Ref:OK EDH DW ZSC GAM VTS PVD PAT

◀ Standard… Genlock…▶ ◀ ProcAmp… Patterns…▶ ◀ EDH… Setup…▶

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OPERATION FROM AN ACTIVE CONTROL PANEL The card may be operated with an active control panel via the RollCall™ network. The menus available for this card are shown on the previous page and will appear in the Control display

window. Operational details for the remote control panel will be found in SECTION 1 of the Modular System Operator's

Manual.

MENU DETAILS (see IQDMSES Menu System on previous page)

MAIN MENU The main, or top level menu allows various sub-

menus to be selected by pressing the button adjacent to the required text line.

IQDMSE S MEN U

Standard... ProcAmp... EDH...

Genlock... Patterns...

Setup...

Note that where a menu item is followed by three dots (...) this indicates that a further sub-menu may be selected.

Whenever a menu item is selected the parameters of that selection will be displayed in the Information window of the front panel. Where the selection is purely a mode selection and does not enable a sub-menu, the text will become reversed (white-on-black) indicating that the mode is active. If the mode is not available for selection the text will remain normal.

◀ Standard…

This menu selection allows the operating standard of the unit to be set.

625 AutoDetect

Standard

PAL/NTS C PAL-N/PAL-M SECAM/NTSC