Renegade Labs Gray 328, Gray 328 MXE Operator's Manual

Gray|328 and Gray 328|MXE
Digital Audio Mixer
Operator’s Guide
Software Version: 3
Renegade Labs Gray|328
Publishing and Copyright Information
Gray|328 and Gray 328|MXE Operator’s Guide
Part Number 070-44100
Revision 7: November, 2012
Copyright
© Renegade Labs, Inc. 2005 - 2012. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any languages in any form by any means without the written permission of Renegade Labs.
Notice
Information contained in this document is not guaranteed and is subject to change without notice or obligation, and does not represent a commitment on the part of Renegade Labs, Inc.
Company Information
Renegade Labs, Inc. P.O. Box 86 Cedar Ridge, California 95924 United States of America
Voice: +(530) 273-7047 Fax: +(530) 271-0757 Web: www.renegadelabs.com email: info@renegadelabs.com
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Operator’s Guide
Table of Contents
About this Operator’s Guide ......................................................................................... 5
Overview of the Gray|328 Mixer ................................................................................... 6
Overview of the Gray|328 ....................................................................................... 6
About the Gray|328 ................................................................................................ 7
Gray|328 Audio Block Diagram ............................................................................... 9
Control Descriptions ................................................................................................... 10
Control Panel Overview ........................................................................................ 10
The Gray|328 Control Panel Layout ...................................................................... 10
Display Controls ................................................................................................... 11
Monitor Control Section ........................................................................................ 12
Button, Pan, and Fader Rows ................................................................................ 14
Fader Strips ......................................................................................................... 15
Master Fader ....................................................................................................... 17
Multi-Function Keypad .......................................................................................... 18
CUT/TRAN buttons ................................................................................................ 19
Introducing Views and Menus .................................................................................... 21
Views vs. Menus .................................................................................................. 21
Navigating Views and Menus ................................................................................ 22
LCD Views ................................................................................................................. 24
LCD View Tree ...................................................................................................... 24
Overview .............................................................................................................. 24
Main View ............................................................................................................. 25
Route View ........................................................................................................... 28
Meter View ........................................................................................................... 29
Fader Level View .................................................................................................. 31
System Adjustments and Information Display ............................................................ 32
System Menu Tree ................................................................................................ 32
Accessing the System Menus ............................................................................... 32
Adjusting Transition and Rate ............................................................................... 33
Enable/Disable TONE ............................................................................................ 34
Selecting Reference Sync ..................................................................................... 34
Making Digital Audio Adjustments ........................................................................ 35
Adjusting Panel Setting ......................................................................................... 36
Adjusting the Headphone Output ......................................................................... 38
Displaying System Information ............................................................................. 40
Configuring Output Functionality .......................................................................... 40
View and Adjusting Module Parameters ................................................................ 45
Loudness Monitoring ............................................................................................ 50
Making Fader Assignments ....................................................................................... 53
Making Fader Input Assignments ......................................................................... 53
Setting Up Fader Output Routing ......................................................................... 56
Applying Audio Effects ............................................................................................... 59
Applying Equalization ........................................................................................... 60
Applying Dynamics .............................................................................................. 62
Overview of Dynamics Controls ........................................................................... 63
Applying Audio Delay .......................................................................................... 68
Applying Phase Reversal ...................................................................................... 70
Enabling Clean Feed ............................................................................................ 71
Adjusting Input Gain Trim .................................................................................... 73
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Monitoring Control ..................................................................................................... 74
Monitoring Program Bus ....................................................................................... 74
Setting Up Solo bus Monitoring ............................................................................. 74
Monitoring Record Returns ................................................................................... 75
Setting up the Monitor Mode ................................................................................ 75
Memory Save/Recall .................................................................................................. 83
What is stored during a Memory Save .................................................................. 83
Memory Save/Recall Operations ........................................................................... 84
ESAM II Control ........................................................................................................... 87
Introduction .......................................................................................................... 87
Setting up for ESAM II Control .............................................................................. 87
Assigning Record Returns ..................................................................................... 88
Assigning ESAM II Crosspoints .............................................................................. 90
Adjusting Edit System Controls ............................................................................. 92
Locking a Fader .................................................................................................... 94
Auto To/Auto From Mode ...................................................................................... 95
ESAM II Commands .............................................................................................. 99
USB Register Management (Gray 328|MXE only) ..................................................... 100
USB Register Management Overview ................................................................. 100
Register Management Menu ............................................................................... 100
Transfer Registers To/From USB Memory Device ................................................ 100
Deleting Registers .............................................................................................. 102
Rename or Create new USB directory ................................................................ 103
USB Register Directory Overview ....................................................................... 104
Software Upgrade using USB Memory Device .................................................... 105
Appendix A: Installation Information ........................................................................ 106
Input/Output Configuration ................................................................................. 106
Mixer Rear Panel Detail ..................................................................................... 106
Appendix B: Assigning Single Channels .................................................................... 109
Appendix C: Diagnostic Port/GPI Option ................................................................... 110
Connection ......................................................................................................... 110
Write Protect Registers ....................................................................................... 110
Pan Pot Offset Calibration ................................................................................... 111
Optional GPI Interface ........................................................................................ 111
Index ....................................................................................................................... 113
Page 4

About this Operator’s Guide

Welcome to the Gray|328 and Gray 328|MXE digital audio mixers! The Gray|328 and the Gray 328|MXE operations are exactly the same other than the Gray 328|MXE includes the ability to transfer registers to and from a USB memory device. This Operator’s Guide refers to all operations as Gray|328 with the exception of the section pertaining to the Gray 328|MXE memory management.
Note
For detailed installation information, for example how to add input or output modules to your mixer, please consult the Installation Guide for your specific mixer.
This Operator’s Guide covers the following subjects:
Overviews
Control Descriptions
Operator’s Guide
LCD View and Menu Descriptions
System adjustments and Information Display
Fader Assignments
Applying Audio Effects
Monitoring Control
Memory Save/Recall
ESAM II Control
USB Register Management for Gray 328|MXE only.
This guide also includes an appendix containing some installation details you may need to refer to from time to time.
About this Operator’s Guide Page 5
Renegade Labs Gray|328

Overview of the Gray|328 Mixer

Overview of the Gray|328

The Gray|328 digital audio mixer is designed for use in professional linear video edit suites.
Note
The Gray|328 is a self-contained standalone mixer whereas the Gray 328|MXE has a separate audio engine chassis connected to a separate Gray control panel via a Ethernet cable. All input and output functionality is the same between the two products.
Inputs and Mixing
Optional input modules allow up to 32 audio inputs. Four slots on the back of the mixer accept either analog (4 or 6 channel) or digital (8 channel) input modules, for a maximum of 32 channels. The mixer can actively mix up to 16 channels of these inputs simultaneously, and send them out over eight program output buses. Eight more program, monitoring, or meter outputs can be added with an optional output module.
Monitoring
The Gray|328 has eight monitor outputs and a headphone output. Any combination of the program bus, solo bus, or record-returns can be selected for listening on the monitor and/or headphone outputs. A built in preview switcher provides automatic control of monitoring the program bus and the record-returns on a channel by channel basis via edit system control.
Loudness Monitoring
The M16 includes the ability to monitor the loudness level of the audio using using ITU-R BS.1770-2 gated algorithm. The Loudness Monitoring can either follow the monitoring mode or a custom set-up can be created.
Display
An LCD display allows mixer configuration and signal characteristics to be viewed. In addition, a unique, user-friendly system of menus and variable­function buttons provides basic fader setup and extensive audio effects to be applied. This system allows a great deal of functionality to be placed in a small, space-saving console.
Feature Summary
Accepts analog or digital audio.
Page 6 Overview of the Gray|328 Mixer
Operator’s Guide
Digital inputs may be AES or SD/HD SDI (serial digital with embedded
audio).
Accepts up to 32 input channels with optional input modules.
Auto To/From allows access to all 32 input channels from the edit
system.
Mixes 16 channels simultaneously.
Has eight program outputs.
Has eight highly configurable monitor and stereo headphone outputs.
Has a built-in preview swticher.
Loudness Monitoring using ITU-R BS.1770-2 gated algorithm.
Optional output module can be added for additional program, monitor,
or meter outputs.
Has powerful LCD menu system with space-saving variable-function
buttons for fader setup and applying audio effects.

About the Gray|328

The Gray|328 contains functionality that allows it to be controlled by an edit system using the ESAM II protocol. An example of such a suite is shown below.
Figure 1. Gray|328 in Editor-Controlled Video Edit Suite
Additional functions include the following:
An RS422 interface for ESAM II editor control
Overview of the Gray|328 Mixer Page 7
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Cut and transition (dissolve) capability
Additional monitoring functions. Can monitor either program outputs,
record returns, or preview via solo mode.
Ability to designate some inputs as record returns, independent of
faders, for monitoring the recorded mixer output.
Full 8-bus preview functionality
A Preset bus to designate which channels are transitioned TO during
cuts and transitions
Auto Record handles VTR swapping from the edit system
The eight monitor outputs are controlled by a preview switcher that can select either the mixer's program output buses or the unmodified record return inputs for monitoring. The preview switcher also allows for a set of inputs, configured at unity level and otherwise unmodified, to be used as record returns that are independent of the faders. This allows fader channels to be used entirely for mixing sources.
Under ESAM II control, a input pair is assigned an editor crosspoint number. Each input pair can have an individual crosspoint number, allowing for eight 2-channel sources; or multiple input pairs can be assigned the same crosspoint number, allowing for 4-channel and/or 8­channel source control.
Page 8 Overview of the Gray|328 Mixer
Operator’s Guide

Gray|328 Audio Block Diagram

The following diagram represents the audio flow through the Gray|328 Digital Audio Mixer.
Figure 2. Flowchart for Gray|328
Overview of the Gray|328 Mixer Page 9
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Control Descriptions

Control Panel Overview

The control panel provides access to the many features of the mixer. Intelligent software helps cut down on the number of button presses you need to get the job done. Buttons with multiple functions expand the mixer’s capability.
This section provides a quick look at the control panel of the Gray|328. The sections that follow describe the controls in more detail.

The Gray|328 Control Panel Layout

Figure 3. Gray|328 Control Panel Layout
Page 10 Control Descriptions

Display Controls

Operator’s Guide
Figure 4. Display Controls
The Display Controls include the LCD display, supported by buttons and knobs that allow you to navigate through and make selections within the Views and Menus that appear on the display. The Views and Menus allow you to keep track of how your mixer is set up, View characteristics of input signals, make changes to your mixer’s setup, and apply effects to audio (also see “Introducing Views and Menus” on page 21).
System Menu Button
Pressing this button brings up the System Menus on the LCD display. System Menus are for making system-wide changes and for Viewing certain kinds of system information (also see “Introducing Views and Menus” on page 21). The Menu button is a toggle switch; pressing it again exits the System Menus.
Soft Buttons
These four buttons are used for making selections on Views and Menus, as shown in the example below. These are named “soft” buttons because their functions change according which View or Menu is displayed. The position of each corresponds to one of the virtual buttons (soft keys) in the display.
Soft Knobs
The two rotary soft knobs (upper and lower) are used to change parameters in many of the display menus, as shown in the example below. These are named “soft” knobs because their functions change according which menu is displayed.
Control Descriptions Page 11
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Monitor Control Section

Figure 5. Monitor Control Section
The Monitor controls allow you to precisely configure your monitoring environment.
Monitor Knob
The Monitor Knob is for setting the monitor output level. Turning the knob clockwise raises the output level; turning the knob counterclockwise lowers the output level.
Calibration LED
The Calibration LED indicates when the monitor output level is at unity. The Monitor Knob's reference indicator line also points at the Calibration LED when at unity.
MUTE button
The MUTE button mutes all eight monitor outputs when pressed. Pressing the MUTE button again un-mutes the monitor outputs. The Monitor Mode menus displays the status of monitor output mutes. Refer to “Setting up the Monitor Mode“ on page 75 for more information.
MODE Button
The MODE button allows you to select or set up various monitor output matrix configurations (modes) using the Monitor Mode Menu (See “Setting up the Monitor Mode” on page 75). The modes determine how the eight program outputs are routed to the eight monitor outputs.
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Operator’s Guide
Note
The level of the headphone output is independent of the Monitor knob setting or MUTE button state. See “Adjusting the Headphone Output“ on page 38 for more information regarding the headphone output.
Gray|328 Monitor Section Block Diagram
The following diagram represents how the Gray|328 monitoring section works with regards to the SOLO, PGM, and Record Returns.
Figure 6. Gray|328 Monitor Section Block Diagram
SOLO Button
On the Gray|328, the SOLO button functions only when the PGM OUT button in the monitor section is inactive (not illuminated). The SOLO button then functions as a two-way toggle, switching between solo mode (illuminated) and Record Return monitoring (not illuminated).
The solo mode allows you to monitor one or more fader outputs
separately from the entire mix; the Select buttons are used to select which faders will be monitored; and the program outputs of the mixer are not affected.
Note
The solo output routing follows fader output routing.
Record Return monitoring (when SOLO and PGM buttons are not
illuminated) directs the inputs assigned as record returns to the monitor outputs. The output routing follows the inputs (input pair 1 feeds monitor outputs 1 & 2; input pair 2 feeds monitor outputs 3 & 4; etc.).
Also see “Setting Up Solo bus Monitoring” on page 74.
PGM OUT Button
The PGM OUT button determines which sources provide the monitor outputs (see the diagram above). The PGM OUT button controls all eight channels at once. When under ESAM II control, it becomes an indicator that lights up whenever the attached editor system is monitoring any of the program outputs.
Control Descriptions Page 13
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When the PGM OUT button is active (lighted), the metering and monitor outputs are from the program outputs. When the PGM OUT button is inactive (off), monitor outputs are from either the soloed fader(s) or the Record Return inputs, as determined by the state of the SOLO button.
Note that the monitored signals also provide the metering input for the Meter View (see “Meter View” on page 29).
Record Return monitoring directs the inputs assigned as record
returns to the monitor outputs. The output routing follows the inputs (input pair 1 feeds monitor outputs 1 & 2; input pair 2 feeds monitor outputs 3 & 4; etc.).

Button, Pan, and Fader Rows

Select Button Row
The Select buttons are for selecting individual faders for performing a function, for example adding equalization to a fader’s audio. There is one Select Button for each fader. For detail, see “Fader Strips” on page 15.
Program Button Row
The Program buttons are used to place faders’ audio on the program output bus to which the fader has been assigned. There is one Program button for each fader. For detail, see “Fader Strips on page 15.
The Program buttons are also used for assigning Auto From channels. Refer to “Auto To/Auto From Mode“ on page 95 for more information regarding Auto To/Auto From.
Preset Button Row
The Preset buttons are used to designate which fader’s audio will appear on the program outputs at the end of a transition or cut. There is one Preset button for each fader. For detail, see “Fader Strips” on page 15
The Preset buttons are also used for assigning Auto To channels. Refer to “Auto To/Auto From Mode“ on page 95 for more information regarding Auto To/Auto From.
Pan Pot Row
All fader inputs are stereo, so each fader has a pan pot to adjust the fader’s audio signal between two assigned output channels. For detail, see “Fader Strips” on page 15.
Faders Row
There are eight stereo faders for adjusting audio gain. The faders are numbered 1 through 8 beginning from the left. For detail, see “Fader Strips on page 15.
Page 14 Control Descriptions
Operator’s Guide

Fader Strips

A fader strip comprises a fader, a unity LED, a Pan Pot, a Preset button, a Program button, and a Select button.
Figure 7. Fader Strips
Fader
The fader adjusts the output audio level of its stereo inputs. The fader can adjust the output level from +9dB to -. Each fader is assignable to any input, can be routed to any of the Program outputs, and can be
panned between its two audio channels. The signal through the faders can be compressed/expanded, equalized, delayed, phase reversed, gain trimmed, or set to a clean feed (unmodified) for dubbing purposes.
Unity LED
The Unity LED lights up when the fader is set at unity gain.
During Memory Recalls, the Unity LED has these functions:
Control Descriptions Page 15
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The Unity LED is red when the physical position does not match the
audio position.
The Unity LED is yellow when the audio level is at unity.
The Unity LED is off when the physical position matches the audio
position and the audio level is not at unity.
Pan Pot
The pan pot allows you to adjust the fader’s audio output between the odd and even output buses. Because any input can be routed to any of the eight output buses, the behavior this seemingly simple pan can be complicated.
As an example, consider the usual case where output bus 1 is the left monitor output and output bus 2 is the right monitor output. Suppose the left input is routed to output bus 1 only, and the right input is selected on bus 2 only. Turning the pan knob fully counterclockwise would yield only left input audio from the left speaker. With the pan knob fully clockwise, we would hear only right input audio from the right speaker.
However, if you route the left input channel of the fader to output bus 2 and the right input channel to output bus 1, the pan pot may behave differently than you expect. Turning the pan knob fully counterclockwise yields the right input channel only in the left speaker. This is due to the right input channel being routed to the odd numbered output channel. Since the pan knob works based on the assigned output channels, whichever source is routed to the odd output channels is what is heard.
Turning the pan knob fully clockwise yields the left input channel only in the right speaker. This is due to the left input channel being routed to the even numbered output channel. Since the pan knob works based on the assigned output channels, whichever source is routed to the even output channels is what is heard.
Preset Button
The Preset button is a toggle on/off switch used to set up the fader’s audio to appear on the program outputs at the end of a transition or cut. When the Preset button of a fader is lighted, its audio will appear on the program outputs at the end of the transition or cut.
Transitions and cuts are set up using the RATE/TRANS Menu. See “Adjusting Transition and Rate” on page 33.
Program Button
The Program button places the fader’s output onto the program bus. The specific program outputs on which the fader’s channels will appear is determined by the output routing for the fader. See “Setting Up Fader Output Routing “on page 56.
The Program button is toggle on/off. The Program button indicates that its associated fader is on the Program bus by lighting up.
Page 16 Control Descriptions
Operator’s Guide
Select Button
The Select button has various functions with regard to its associated fader, for example:
Selecting the fader for certain operations, for example applying audio
effects.
Bringing up menus for making changes to the fader’s audio input
signals.
If no input is assigned to the fader, pressing the Select button
brings up the Input Assignment Menu on the display.
If the fader has inputs assigned to it, the Select button accesses
the various menus, with the Route Menu as the default menu.
The Select button is a toggle on/off. When the Select button is active, it is illuminated.
Note
Deselecting the Select button in a menu sequence often is equivalent to pressing the enter key on a pc. It can cause changes to be accepted.

Master Fader

The Master Fader is used for adjusting the overall gain of all eight Program outputs. The gain settings of individual faders are not affected by the Master Fader.
Figure 8. Master Fader
The Master Fader range is from 0dB (unity) to -. The Master Fader has no unity LED, since bringing the fader all the way to the top of its travel is unity.
Control Descriptions Page 17
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When the master fader is set to 0dB (the top of its travel), the program output audio will be at unity gain with respect to the levels from individual faders.
When the Master Fader is brought down, the program output gain will be reduced by the amount of fader attenuation. The individual faders’ respective gain settings will follow. In other words, if fader #1 is set to +6dB and the Master Fader is set to -3dB, fader #1’s actual output level will be +3dB.
Note
The Maser Fader will not effect faders that are set to Clean Feed Mode. See “Enabling Clean Feed“ on page 71 for more information.

Multi-Function Keypad

Figure 9. Multi-Function Keypad
The Multi-Function Keypad is a set of buttons that is available for use in many operations. Here are some examples:
Headphone output bus routing
Fader input assignment
Program output routing
Monitor routing and configuration
Memory save/recall
The Multi-Function Keypad provides a means for making selections and for indicating the presence of audio on specific channels.
Page 18 Control Descriptions
Operator’s Guide
The Multi-Function Keypad is laid out to correspond with the input module slots, labeled A, B, C, and D on the rear panel of the mixer. Small buttons that light represent the possible stereo channels (1/2, 3/4, etc.)
In addition, the keypad is numbered down its middle with numerals 1 through 8, for using the keypad to indicate or select program outputs.
Figure 10. Multi-Function Keypad Layout
The Multi-Function keypad may be used in conjunction with the Select buttons to indicate (or designate) which audio channels are applied to a fader. When the Select button for an individual fader is pressed, the audio assigned to it will be indicated on the Multi-Function keypad. The system menus must be closed for this to occur.
Note
In some applications, the Multi-Function Keypad may be used differently than described above. Such uses will be described in the related procedures.

CUT/TRAN buttons

The CUT and TRAN buttons initiate cuts and transitions, which are synchronized to video frames. The rates of transition, and which buses are involved in cuts and transitions, are set using the RATE/TRAN Menu (see “Adjusting Transition and Rate on page 33).
Control Descriptions Page 19
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CUT Button
The CUT button cuts (using a ½ frame dissolve) any audio on the Program bus to any audio that is on the Preset bus. The Program and Preset button lamps on the fader(s) involved will toggle from one bus to the other to indicate when the cut has occurred (unless both the Program and Preset bus are on at the same time in which case both lamps remain lit).
TRAN Button
The TRAN button transitions any audio on the Program bus to any audio that is on the Preset bus. The Program and Preset buttons will toggle from one bus to the other indicating the transition has occurred (unless both the Program and Preset bus are on at the same time in which case both lamps remain lit). When a transition is active, the TRAN button will be illuminated. If, during a transition the CUT button is pressed, the transition will end immediately and a cut will proceed.
Note
The transition rate you select applies only to transitions. Cuts always do a 1/2 video frame dissolve.
Selecting both Program and Preset buttons on the same fader allows the associated audio to remain unmodified on the Program bus during transitions or cuts.
Page 20 Control Descriptions

Introducing Views and Menus

The LCD screen on the Gray|328 can display control panel configurations and many signal conditions. It can also display menus that allow you to make changes. There are two types of displays, Views and Menus.

Views vs. Menus

Views
Views are displays that show the current status of the mixer. They do not provide a way to make changes. See the example below.
Operator’s Guide
Figure 11. View Example, Meter View
This example displays the audio signal levels for each Program output.
Menus
Menus are displays that allow you to not only View status, but also make change s. See the example below.
Figure 12. Menu Example, Digital Audio Menu
The example above allows you to select the audio sample rate.
There are three sets of menus in the Gray|328.
System Menus. These generally allow you to change global settings
as well as observe certain system information. System Menus are activated using the MENU button on the control panel.
Select Button Menus. These generally allow you to make fader-
specific settings, such as applying audio effects to the signals through a fader. The Select Button Menus are described in the procedures where they are used. Select Button Menus are activated using the SELECT buttons associated with the faders.
Introducing Views and Menus Page 21
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Monitor Mode Menus. These allow you to set the output matrix that
feeds the monitor outputs. The Monitor Mode Menus are described in Setting up the Monitor Mode on page 75. Monitor Mode Menus are activated by pressing the MODE button in the Monitor section of the control panel.

Navigating Views and Menus

Basic Navigation
The default display is the Main View (see below).
Figure 13. Main View
Pressing the System Menu button brings up the System Menus, beginning with the first System Menu screen. Pressing it again returns you to the Main View. When not in a System Menu, pressing one of the fader Select buttons places you in the Select Menus.
Using Soft Buttons and Knobs
The Soft Buttons located below the LCD display correspond to “soft labels” in Views and menus. See below. Use the soft buttons to make selections within a menu, or to navigate to another display.
Figure 14. System Menu Initial Screen with Soft Buttons
Soft Knobs are used to make adjustments or selections in some menus. See below.
Page 22 Introducing Views and Menus
Operator’s Guide
Figure 15. Example Menu with Soft Knobs
In this menu, frequency is adjusted using the Upper Soft Knob, and gain is adjusted using the Lower Soft Knob. The position at the right side of the display, with arrows, indicates that soft knobs are to be used. The vertical position indicates which soft knob to use.
Introducing Views and Menus Page 23
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LCD Views

This section describes the LCD Views on the Gray|328.

LCD View Tree

The following diagram represents the LCD views on the Gray|328.

Overview

The LCD Views on the Gray|328 allow you to observe the current status of the entire mixer. No changes to any of the parameters displayed can be performed in any of the Views. Changes can only be made in Menus (Views vs. Menus on page 21).
Figure 16. LCD Views
Note
The Main View is the default View for the mixer. If you do not see the Main View, make sure that all Select buttons are switched off. Or if the System Menu is displayed, press the MENU button to turn off the System Menu. The MODE button in the monitor control section could also be active; switch it off if it is on.
Figure 17. Main View for Gray|328
When the Main View is displayed, these navigation choices appear at the bottom of the screen:
Main View
Route View
Meter View
Fader View
Press the soft button corresponding to the desired View to display that View.
Page 24 LCD Views
Operator’s Guide

Main View

The Main View indicates current status for each of the eight fader strips. Information shown includes the following:
Input assignment
Effects status
Input levels (pre-fader)
Pan position
Transition bus status
Preview switch (PGM OUT) status
Lock status
Diagrams of the various indicators are shown below.
Figure 18. Main View for Gray|328
Figure 19. Main View, Fader Detail
Input Level Indicator
The input level indicator, normally a solid black rectangle, moves up and down with the incoming audio level. The level indicator will invert to an empty rectangle with a black outline if the incoming audio signal is at full level and clipping would occur. This indication is shown below:
Figure 20. Main View, Fader Detail: Input Level Indicator
This level is pre-fader and therefore pre-program bus. This allows you to check whether a source has incoming audio before putting it on the program bus.
LCD Views Page 25
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Pan Position Indicator
The Pan Position indicator on the Main View shows whether the pan is to the left or to the right. Following are examples of various indications.
Note
Figure 21. Main View, Pan Indicator Examples
When left and right arrow indicators are both on, the physical position of the pan pot does not match the audio position. See “Memory Save/Recall“ on page 83 for additional information.
When controls are moved, the audio position “catches up” until it equals and remains with the physical position.
Clean Feed Indicator
If Clean Feed is selected on a fader, the effects indicators are replaced with the words CLEAN FEED.
Figure 22. Main View, Clean Feed
Clean Feed mode disables all audio effects and sets the audio level to unity, causing the Unity LED on the fader strip to light. Clean feed is appropriate for dubbing, for example, when you need the level to be unity and want to pass the audio through the mixer untouched. Refer to “Enabling Clean Feed” on page 71 for more information regarding Clean Feed mode.
Page 26 LCD Views
Operator’s Guide
TRAN and PGM OUT Indicators
The TRAN and PGM OUT indicators on the Main View show which buses are currently involved in a transition and which buses are currently being monitored.
Figure 23. Main View, TRAN and PGM OUT Indicators
During a transition the TRAN indicator displays which
Program/Preset buses are currently involved in the transition. In the example above, all buses are currently involved in transition.
The PGM OUT indicator displays the buses that are currently
being monitored when the PGM OUT button is illuminated. In the example above, all buses are currently being monitored.
Lock Indicator
When a fader channel is locked out from Program/Preset selections under ESAM II control, a lock indicator appears next to the fader channel number.
Figure 24. Main View, Fader Lock Indicator
Fader channel 1 is shown locked out of ESAM II control. Refer to “Locking a Fader” on page 94 for more information regarding fader channel locking.
LCD Views Page 27
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Route View

The Route View shows the current input-to-output routing assignments for each fader. To access the Route View, press the ROUTE soft button in any other View.
Note
See “Setting Up Fader Output Routing” on page 56 for information on how to change fader output routing.
Figure 25. Route View, Gray|328
Figure 26. Route View Detail
The figure above shows the detail for Fader 1’s output routing. The Fader Channels (L and R) are the two “sides” of the fader, since all faders are stereo.
The L side of the fader is routed to program outputs 1, 3, 5, and 7. The R side of the fader is routed to program outputs 2, 4, 6, and 8.
On the Route View , the symbol indicates that the Program crosspoint for the channel is turned on (Program button active).
The symbol indicates that the Preset crosspoint for the channel is turned on (Preset button active).
Page 28 LCD Views
Operator’s Guide

Meter View

The Meter View for Gray|328 shows the audio levels for each Program output, the Solo bus, or Record Return inputs. This is the same audio that is feeding the Monitor matrix.
To access the Meter View, press the METER soft button in any other View.
The specific audio signals Viewed—and monitored—are determined by the state of the PGM OUT and SOLO buttons, as shown in the table below. The Master Fader position affects the levels seen in the Meter View. See the Gray|328 Monitor Section Block Diagram on Page 13 for additional information.
Meter View and
Monitor Outputs
Program outputs ON Doesn’t matter Solo bus OFF ON Record Return inputs OFF OFF
Table 1. Meter Table
PGM OUT
Button
SOLO
Button
Figure 27. Meter View
Note
Since the Meter View encompasses the entire LCD screen, the labels for the soft buttons are not visible. Press the left-most soft button to return to the Main View, the second left-most button to select the Route View, or the right-most button to select the Fader Level View.
The meters are peak reading with a 31.25dB/sec decay rate.
Meter View Loudness Monitoring
With Loudness Monitoring enabled the Meter View changes as shown below.
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With Loudness Monitoring enabled the Meter View also now shows the measured Loudness level in LUFS (Loudness Units Full Scale) and the Peak Level in dBFS. The METER soft-button allows for control of the Loudness Monitoring with a Pause/Play soft-button:
Pause Soft-button: The Pause soft-button indicates that the Loudness Measurement is running and when pressed, pauses the Loudness Measurement
Play Soft-button: The Play soft-button indicates that the Loudness Measurement is paused and when pressed, starts the Loudness Measurement running.
Reset Loudness Monitoring: To reset the Loudness Monitoring press and hold the Play soft-button for 3 seconds.
Figure 28. Meter View with Loudness Monitoring
Note
In order for Loudness Monitoring to appear on the Meter View it must first be enabled from the Loudness Menu. Refer to “Loudness Monitoring“ on page 50 for more information.
When analyzing the loudness of an audio segment make sure to stop the Loudness Monitoring with the Pause/Play soft-button so that the loudness algorithm can create the proper loudness measurement.
The Loudness Monitoring always follows the signals that are feeding the output meter that you see in the "Meter View”. Refer to “Gray|328 Audio Block Diagram“ on page 9 for more information.
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Operator’s Guide

Fader Level View

The Fader Level View displays both the actual audio level in dB for the faders and monitor knob and it displays the audio offset, the fader and pan pot physical positions versus actual audio level positions recalled from memory during a memory recall (refer to “Memory Save/Recall” on page 83).
To access the Fader Level View, press the FADER soft button on the Main, Route, or Meter View.
Figure 29. Fader Level View
The Fader Level View shows all eight faders and pan pots. Under each fader vertical bar graph the fader's audio level is shown in dB. The Monitor level and Master Fader level are shown on the top portion of the view. The indicators work as follows:
The single line in the bar graphs represents the actual audio level and
pan positions. Bar graphs with only a single line indicate that the fader or pan pot physical position matches the audio position. Fader channel 1 shows this.
Vertical bar graphs with a shaded area ending below the single line
indicate a fader level physical position lower than the audio position (line indicator). Horizontal bar graphs with a shaded area ending to the left of the single line indicate a pan pot position to the left of the audio position. Fader channel 2 shows these.
Vertical bar graphs with a shaded area ending above the single line
indicate a fader level physical position higher than the audio position (line indicator). Horizontal bar graphs with a shaded area ending to the right of the single line indicate a pan pot position to the right of the audio position. Fader channel 3 shows these.
Note
Audio offset is also indicated by the fader unity LEDs on the fader strips and the pan pot indicators in the Main View. See “Main View” on page 25 and “Fader Strips” on page 15.
When controls are moved, the audio position “catches up” until it equals and remains with the physical position.
While holding the FADER soft-button down it is possible to move the physical position of the faders and pan pots without changing the audio. This allows the physical position of the faders and pan pots to be re­synchronized with the audio levels after a register recall.
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System Adjustments and Information Display

Overall system adjustments are made using the System Menus.

System Menu Tree

The following diagram represents the System Menu Tree on the Gray|328.
Figure 30. System Menu Tree

Accessing the System Menus

To access the System Menus, press the MENU button on the control panel.
Figure 31. System Menu, Initial Screen
To access the next screen, which provides additional navigation via the soft labels at the bottom of the display, press the MORE soft button. The current selection of menus are highlighted with the rectangle.
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As a general rule, while in the System Menu you can exit the menu and save your changes by simply pressing the control panel MENU button again.

Adjusting Transition and Rate

The Rate Menu is used to adjust transition rates for the TRAN button and to enable or disable which bus is involved in a transition or cut.
Figure 32. Rate/Tran Menu
1. Press the MENU button to bring up the System Menu.
2. Press RATE to display the RATE/TRAN Menu.
3. Use the BUS ADJ control to select a bus for rate adjustments. The
selected bus is shown in reverse video. The GANG soft button can be used to select all of the buses.
4. Use the RATE ADJ control to set the rate value for the selected bus.
The rate can be adjusted from 0 – 999 video frames.
5. The TRAN line shows which buses are enabled or disabled for
transition or cuts. The R keypad buttons are used to control which buses are enabled or disabled as shown:
Figure 33. Bus and Tran Keypad
Note
The L keypad buttons can also be used for enabling and disabling buses.
6. Use the CLEAR soft button to clear the selected rate(s) to 0.
7. Press the EXIT soft button to exit the Rate Menu.
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OR, Press the CANCEL soft button to cancel any setting changes.

Enable/Disable TONE

The TONE soft button will enable or disable TONE on the Program bus. When TONE is enabled the TONE button will appear in reverse video.
TONE can also be enabled or disabled from the edit system by accessing crosspoint number 11.
Note
When TONE is enabled any selection made to the Program bus will automatically disable TONE.
1. Press the MENU button to bring up the System Menu.
2. Press TONE to enable or disable tone.

Selecting Reference Sync

Reference sync is the input signal to which the mixer's master audio clock is locked. The mixer can lock either to the AES audio input or the video input.
The mixer can lock to the following AES input rates: 48kHz, 96kHz, and 192kHz.
The mixer can lock to the following video formats:
Standard Definition (SD):
NTSC (29.97 fps)
PAL (25 fps)
High Definition (HD):
60Hz
59.94Hz 1080i
59.94Hz 720p
48Hz
48/1.001Hz
25 fps
24 fps
24/1.001Hz
Reference sync is selected using the Sync Reference Menu:
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Figure 34. Sync Reference Menu
To select a reference sync signal:
1. Press the MENU button to bring up the System Menu.
2. Press the MORE button to bring up the second level of System Menu.
3. Press the REF button to bring up the SYNC REFERENCE Menu.
4. Press the corresponding soft button for the desired sync source.
5. The selected source will highlight in the display, and the incoming rate
will be displayed. Lock Status indicates whether the mixer is able to lock to the selected sync source.
6. Press EXIT to exit the Sync Reference Menu and return to the System
Menu.
Note
In order for the mixer to respond properly to edit system commands a valid video signal must be present even if the mixer is locked to AES.

Making Digital Audio Adjustments

The Digital Audio Menu allows you to adjust the digital reference level (-20dBFS, -18dBFS, -16dBFS, -14dBFS or -12dBFS) and the current sample rate (48kHz or 96kHz).
Note
The default digital reference level is -20dBFS.
Digital Reference Level Adjustment
When the digital reference level is adjusted, both the meters (Meter View) and the tone generator will follow the new settings.
Figure 35. Digital Audio Menu, Reference Adjust
To adjust the digital reference level:
1. Press the MENU button to bring up the System Menu.
2. Press MORE to display the second level of the System Menu.
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3. Press the AUDIO button to bring up the DIGITAL AUDIO Menu.
4. Use the Upper Soft Knob to adjust the digital reference level. The
level can be adjusted from -20dBFS to -12dBFS in 2dB steps. The Digital Reference Level box in the menu will change as you select different levels.
5. Press EXIT to accept the changes and return to the System Menu.
Sample Rate Requirements
The following audio effects require the indicated sample rate in order to function.
EQ= 48kHz or 96kHz
Dynamics=48kHz
Sample Rate Adjustment
The Digital Audio Menu is used to select an internal sample rate of 48kHz or 96kHz.
Notes
If a Sample Rate Converter (SRC) AES Input Module is installed, the mixer will automatically up-sample or down-sample inputs with 32kHz­192kHz sample rates to match the mixer ’s internal sample rate.
If a non-SRC AES Input Module is installed, the input must match the mixer’s internal sample rate.
To change the internal sample rate:
1. Press the soft button corresponding to the desired sample rate.
The selected sample rate is displayed in the Current Sample Rate box of the Digital Audio Menu.
2. Press EXIT to accept the changes and return to the System Menu.

Adjusting Panel Setting

The Panel Adjust Menu is used to adjust the intensity of the LEDs in the buttons on the control panel and for setting the mode of operation for the Pan Pot, Monitor Level, and Master Fader.
Note
The LEDs cannot be turned completely off.
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Figure 36. Panel Adjust Menu, LED Intensity
To adjust the panel LED intensity:
1. Press the MENU button to bring up the System Menu.
2. Press MORE twice to display the third level of the System Menu.
3. Press PANEL to bring up the PANEL ADJUST Menu.
4. Rotate the upper soft knob to adjust panel LED intensity.
Clockwise rotation increases intensity, and counterclockwise rotation decreases intensity. A bar graph on the Panel Adjust Menu represents the current level of LED intensity.
5. Press exit to accept the changes and return to the System Menu.
Pan Pot Mode
The Pan Pot mode allows for two different modes of operation:
NORMAL – The Pan Pot operates normally.
UNITY – The Pan Pot is always set to unity (centered) regardless of
the physical position of the pot.
Monitor Level Mode
The Monitor Level mode allows for two different modes of operation:
NORMAL – The Monitor Level operates normally.
UNITY – The Monitor Level is always set to unity (0dB) regardless of
the physical position of the monitor level pot.
Master Fader Mode
The Master Fader mode allows for three different modes of operation:
NORMAL – The Master Fader operates normally.
WARN – The Master Fader operates normally but warns the user if
the Master Fader is not at the unity position (0dB) by gently flashing the CUT button.
UNITY – The Master Fader is always set to unity (0dB) regardless of
the physical position of the fader.
To adjust a panel mode:
1. Enter into the Panel Adjust Menu as described above.
2. Press the soft button to select the mode of operation.
3. Press the EXIT soft button to exit the Panel Adjust Menu.
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Note
When a mode is changed to any state other than NORMAL a warning message will be displayed on the Status LCD when that mode is attempted to be changed from the panel.
Mode states are stored in memory registers.

Adjusting the Headphone Output

The Headphone Menu allows you to choose which program outputs are monitored at the headphone output (output routing). This menu also allows you to adjust the level of the headphone output.
Selecting Headphone Output Routing
You can choose what to monitor with the headphones. Selection is done using the Headphone Menu in conjunction with the Multi-Function Keypad. The Multi-Function Keypad is used to make the routing selections.
On the left side of the Headphone Menu, the Matrix represents routing of program buses to the headphones. In the example below, the headphones are monitoring Program buses 1 and 2.
Figure 37. Headphone Menu, Default Routing
Note that the layout of the Multi-Function Keypad corresponds to the Matrix diagram in the Headphone Menu. The lighted pushbuttons show current selections just as the darkened portions of the Matrix do. In the figure, the lighted button pattern indicates the same default selections as shown in the example Headphone Menu.
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Figure 38. Multi-Function Keypad in Headphone Output Routing
To change headphone output routing:
1. Press the MENU button to call up the System Menu.
2. Press MORE twice to display the third level of the System Menu.
3. Press the HD-PH soft button to display the Headphone Menu.
4. Use the Multi-Function Keypad to select which program outputs you
wish to monitor on the left and/or right channel of the headphone output. The menu updates as you change the headphone output routing.
5. Press the EXIT soft button to exit the Headphone Menu and return to
the System Menu. OR Press the CANCEL soft button to abort the operation. The headphone output matrix is not changed and returns to the previous settings. Press the RESET soft button to reset the crosspoints back to the default 2-channel configuration.
Adjusting the Headphone Output Level
To adjust the headphone output level:
1. Press the MENU button to display the System Menu.
2. Press MORE twice to display the third level of the System Menu.
3. Press the HD-PH soft button to display the Headphone Menu.
4. Use the upper Soft Knob to set the desired level for the headphone
output. The Output Level display will change as you do so. Notice the Unity marker, which can be used as a guide when making the adjustment.
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5. Press the EXIT soft button to exit the Headphone Menu and return to
the System Menu.

Displaying System Information

The Info Menu displays various information about the system, such as software version, operating temperature and the mixer's IP address.
To View system information:
1. Press the MENU button to bring up the System Menu.
2. Press MORE 3 times to display the third level of the System Menu.
3. Press INFO to bring up the System Information Menu.
To return to the System Menu, press EXIT.
Figure 39. System Information Display

Configuring Output Functionality

The Output Function Menu is used to route the internal audio buses of the mixer to the available physical outputs. The default routing is shown in Figure 43, with the Program bus routed to the AES digital outputs and the optional output module, and the monitor bus routed to the analog outputs.
Figure 40. Output Function Menu, no optional output installed
All three mixer audio buses--PROGRAM, MONITOR and METER--may be routed in any combination to the three physical outputs: DIGITAL OUT, ANALOG OUT and the OPTIONAL OUT module. This flexibility is particularly useful if, for example, the optional output card is used for driving an external meter bridge. Refer to “Appendix A: Installation Information“ on page 106 for information regarding the Gray|328 physical outputs.
The Output Function Menu is divided into two sections. The left side indicates which Optional Output module, if any, is installed in the Optional Output slot (Slot 'E'.) The right side of the menu is used to choose the audio bus to output routing.
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Note
The soft buttons “SELECT” and “CHANGE” only function with an optional output module installed that have configuration settings possible.
To configure the Output Functionality:
1. Press the MENU button to call up the System Menu.
2. Press MORE 3 times to display the fourth level of the System Menu.
3. Press the OUTPUT soft button to display the Output Menu.
4. Use the upper soft-knob, OUTPUT SELECT, to select the outputs:
DIGITAL OUT are the standard digital outputs. On some
systems these outputs are designated PGM AES OUT.
ANALOG OUT are the standard analog outputs. On some
systems these outputs are designated ANALOG MONITOR OUT.
OPTIONAL OUT can be configured as either analog or digital
outputs.
5. Use the lower soft knob, FUNCTION SELECT, to select the function:
PROGRAM feeds the output with the program bus.
MONITOR feeds the output with the monitor matrix output.
METER feeds the output with the meter output.
Note
The METER output follows inputs to the monitor matrix.
6. Press the EXIT soft button to exit the Output Menu.
OR Press the CANCEL soft button to abort the operation.
Note
Output function settings are not saved in the standard memory registers however, they are saved in non-volatile memory and will survive power cycles.
Optional output module indication:
The Output Function Menu will indicate if a digital AES, analog, or SD/HD SDI embedder optional output module is installed in the mixer.
Figure 41. Output Function Menu, AES Output installed
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Optional SD/HD SDI Embedder output module configuration:
Figure 42. Output Function Menu, Analog Output installed
Figure 43. Output Function Menu, SDI Output installed
The SD/HD SDI (Serial Digital Interface) Embedder output module is an 8 channel output module that will embed into either SD (Standard Definition) or HD (High Definition) signals. Switching between the SD and HD format is handled automatically by the SDI Embedder module with no intervention required by the user.
Note
The SD/HD SDI Embedder is a pass-through audio embedder, and requires an external SD/HD SDI video input signal to function.
Figure 44. SDI Output Module Detail
Embedding Audio into SDI Output Groups
An SDI ancillary audio signal consists of up to 16 audio channels, organized as four groups each containing four audio channels. The SD/HD SDI Embedder module can embed audio into any two of these four groups (8 channels total). The Optional Output bus from the mixer is split in half by the SD/HD SDI Embedder, with bus channels 1-4 routed to one SDI audio group and bus channels 5-8 to the other.
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To embed audio into SDI audio groups:
1. Enter into the Output Function Menu as previously described.
2. Press the SELECT soft button to toggle to the desired outputs. The
current selection will be displayed in reverse video.
3. Press the CHANGE soft button to toggle through groups 1 – 4 or
select “-” to disable the embedder on the selected outputs.
Note
When the “-” is selected for GRP: the incoming group will be preserved in SD mode and may or may not be preserved in HD mode.
4. Press the EXIT soft button to exit the Output Function Menu.
OR Press the CANCEL soft button to abort the operation.
Note
SDI output module settings are not saved in the standard memory registers however, they are saved in non-volatile memory and will survive power cycles.
Adjusting SDI HD Embed Mode
The HD Embed Mode control is used to switch between NORMAL and REPLACE modes for the selected groups to be embedded into. For both NORMAL and REPLACE modes the SD/HD SDI Embedder module will automatically switch between replace and cascade operation on the selected group(s). Replace is used when the selected audio group is already present in the SDI signal at which time it is replaced with a new audio group. Cascade is used when the selected audio group is not present at which time a new audio group is cascaded into the selected group and all other audio groups are preserved and passed through.
NORMAL mode: When replacing an audio group only the selected
group(s) are replaced and all other groups are always preserved and passed through.
REPLACE mode: When replacing any audio group all other
existing audio groups will be strip out.
Note
When embedding audio in SD video, the operations is the same as HD NORMAL mode in that when replacing an audio group(s) only the selected group(s) are replaced and all other groups are always preserved and passed through.
To adjust the SDI output Embed Mode:
1. Enter into the Output Function Menu as previously described.
2. Press the SELECT soft button to toggle to the MODE. The NORMAL
or REPLACE will be highlighted to indicate that it is selected.
3. Press the CHANGE soft button to change modes.
4. Press the EXIT soft button to exit the Output Function Menu.
OR Press the CANCEL soft button to abort the operation.
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Adjusting SDI Output SRC Controls
The Sample Rate Converter (SRC) control is used to bypass or enable the SRC on the SDI output module.
BYPASS indicates that the SRC is not in the audio path. This is
ENABLED indicates that the SRC is in the audio path. Any mis-
To adjust the SDI output module SRC:
1. Enter into the Output Function Menu as previously described.
2. Press the SELECT soft button to toggle to the SRC. The BYPASS or
ENABLE will be highlighted to indicate that it is selected.
3. Press the CHANGE soft button to toggle between BYPASS and
ENABLE.
4. Press the EXIT soft button to exit the Output Function Menu.
OR Press the CANCEL soft button to abort the operation.
the default setting. Bypass mode is used when the Gray|328 is running at a 48kHz sample rate and locked to the same house sync as the incoming SDI signal.
match or slip between the embedded audio sample rate and the Gray|328 master clock is compensated for with the SRC. This mode is used when the Gray|328 is running at the 96kHz or when the input video and the Gray|328 are not locked to the same house sync.
SDI Output Module Status
The SDI output module includes two status indicators to display information regarding the incoming SDI signal:
INP: There are 4 positions, each corresponding to the 4 groups in the
SDI signal, to the right of INP which indicate the following:
Symbol Meaning
1, 2, 3, or 4 Indicates that an embedded group is present in that position and is
being passed through to the output.
-
R Embedder is replacing that group.
C Embedder is cascading in a new group in that position.
X The existing group in that position has been stripped out by the
No group is present in that position.
embedder.
Table 2.SDI Output Group Indication
LOCK: Indicates which SDI standard is present, SD or HD, and the
lock status of the two Phase Locked Loops (PLL) on the module: one for video clock (V) and one for the audio clock (A). Normally, both A and V should be displayed indicating that the module has locked both PLLs. If one or both are missing, check your connection.
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View and Adjusting Module Parameters

The Module menu displays module status and allows for adjusting module parameters.
Figure 45. Module Menu
The Module menu is divided into four areas, one for each module slot in the Gray|328. Along the top, the menu shows the type of module currently installed. Each type of module has a personality. Some modules show status such as audio. Other modules allow control, for example Sample Rate Converter (SRC) bypass.
To access the Module menu:
1. Press the MENU button to call up the System Menu.
2. Press MORE 3 times to display the fourth level of the System Menu.
3. Press the MODULE soft button to display the Output Menu.
4. Use the two arrow soft buttons to change which module is selected.
The module type will be highlighted to indicate that it is selected. In the above figure the B module is highlighted.
5. Press the EXIT soft button to exit the Module Menu.
OR Press the CANCEL soft button to abort the operation.
AES Input Module
The AES input module is an 8-channel module that accepts 4 AES input pairs.
Figure 46. AES Module Detail
There are 4 positions in the display to the right of INP: for a letter or symbol indicating what the nature of the input signal is for each pair. Below is a table explaining each possible symbol:
Symbol Meaning
A Normal AES signal present in professional mode.
No signal present
-
D
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Non-audio data present
Renegade Labs Gray|328
E Errors detected in the signal
N Signal present with the validity bit cleared.
L Signal present that is slipping with respect to the Gray|328 master clock
P Signal with emphasis
S Signal that is all zeros (Digital Silence)
C Signal present in consumer mode.
Note
The AES Module has no adjustment controls.
Analog4 Input Module
The Analog4 is a four channel line level Analog input module. The module has no status or controls.
Table 3. AES Module Symbols
Figure 47. Analog4 Module Detail
AES-SRC Input Module
The AES-SRC input module is an 8-channel module with sample rate conversion that accepts 4 AES input pairs.
Figure 48. AES-SRC Module Detail
There are 4 positions in the display to the right of INP: for a letter or symbol indicating what the nature of the input signal is for each pair. Below is a table explaining each possible symbol:
Symbol Meaning
A Normal AES signal present in professional mode.
No signal present
-
D
Non-audio data present
E Errors detected in the signal
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N Signal present with the validity bit cleared.
P Signal with emphasis
S Signal that is all zeros (Digital Silence)
C Signal present in consumer mode.
Table 4. AES-SRC Module Symbols
Adjusting the AES-SRC Input Module
There are 4 controls, SRC:12 34 56 78, to enable or bypass the Sample Rate Converters (SRC) on this module for each audio pair independently.
ENABLED indicates that the SRC is in the audio path. Any mis-
match or slip between the input signal clock frequency and the Gray|328 master clock is compensated for in the SRC. This is the default mode.
BYPASS indicates that the SRC is not in the audio path. In this
mode, the input signal must be locked to the same house sync that the mixer is and they must be running at the same sample rate. Bypass mode is used when a clean pass through of this signal is required. Examples are: when the audio must be cloned or when the signal is non audio such as multi channel compressed audio data stream.
The adjust the AES-SRC Input Module:
1. Press the MENU button to call up the System Menu.
2. Press MORE 3 times to display the third level of the System Menu.
3. Press the MODULE soft button to display the Module Menu.
4. Use the arrow soft buttons to select the AES-SRC input module. The
module name will be highlighted to indicate that it is selected.
5. Use the upper soft knob to select SRC:12, 34, 56, or 78.
6. Use the lower soft knob to switch between ENABLED or BYPASS.
7. Press the EXIT soft button to exit the Module Menu.
OR Press the CANCEL soft button to abort the operation.
Note
Module menu settings are not saved in the standard memory registers however, they are saved in non-volatile memory and will survive power cycles.
SDI Input Module
The SDI (Serial Digital Interface) input module is an 8 channel input module that accepts either Standard Definition (SD) or High Definition (HD) signals. The module automatically distinguishes between SD and HD signal formats.
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There are 4 positions in the display to the right of INP: for a letter or symbol indicating what the nature of the input signal is for each pair. Below is a table explaining each possible symbol:
Symbol Meaning
A Normal Audio signal present.
Figure 49. SDI Module Detail
D
Non audio present (Data).
No signal present
-
Table 5. SDI Module Symbols
STD: This indicates which SDI standard is present.
LOCK: There are two Phase Locked Loops (PLL) on the module: one
for video clock (V) and one for the audio clock (A). Normally, both A and V should be displayed indicating that the module has locked both PLLs. If one or both are missing, check your connection.
Selecting SDI Audio Groups
The incoming SDI signal has embedded in it 4 groups of 4 audio channels each for a total of 16 audio channels. The SDI input module can route any 2 (8 channels total) of the incoming 4 groups to either the SDI module's outputs 1 – 4 or 5 – 8.
To select SDI audio groups:
1. Press the MENU button to call up the System Menu.
2. Press MORE 3 times to display the third level of the System Menu.
3. Press the MODULE soft button to display the Module Menu.
4. Use the arrow soft buttons to select the SDI input module. The
module name will be highlighted to indicate that it is selected.
5. Use the upper soft knob to select 1 – 4 GRP: or 5 – 8 GRP: The GRP
number will be highlighted to indicate that it is selected.
6. Use the lower soft knob to scroll through the 4 available groups.
Note
It is possible to set the SDI module outputs 1 – 4 and 5 – 8 to the same group number. However, silence will be delivered to the module's outputs 5 – 8 instead of the selected audio. To get audio on module outputs 5 – 8, the 5 – 8 GRP control must be set to a different group than the 1 – 4 GRP control.
7. Press the EXIT soft button to exit the Module Menu.
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OR Press the CANCEL soft button to abort the operation.
Note
Module menu settings are not saved in the standard memory registers however, they are saved in non-volatile memory and will survive power cycles.
Adjusting SDI SRC Controls
The Sample Rate Converter (SRC) control is used to bypass or enable the SRC on the SDI input module.
BYPASS indicates that the SRC is not in the audio path. This is
the default setting. Bypass mode is used when the Gray|328 is running at a 48kHz sample rate and locked to the same house sync as the incoming SDI signal.
ENABLED indicates that the SRC is in the audio path. Any mis-
match or slip between the embedded audio sample rate and the Gray|328 master clock is compensated for with the SRC. This mode is used when the Gray|328 is running at the 96kHz or 192kKHz sample rate or when the input video and the Gray|328 are not locked to the same house sync.
To adjust the SDI input module SRC:
1. Press the MENU button to call up the System Menu.
2. Press MORE 3 times to display the third level of the System Menu.
3. Press the MODULE soft button to display the Module Menu.
4. Use the arrow soft buttons to select the SDI input module. The
module name will be highlighted to indicate that it is selected.
5. Use the upper soft knob to select SRC: The BYPASS or ENABLE will
be highlighted to indicate that it is selected.
6. Use the lower soft knob to switch between ENABLED or BYPASS.
7. Press the EXIT soft button to exit the Module Menu.
OR Press the CANCEL soft button to abort the operation.
Note
Module menu settings are not saved in the standard memory registers however, they are saved in non-volatile memory and will survive power cycles.
Analog6 Input Module
The Analog6 is a four channel line level analog input module with two additional microphone inputs. The module has no status or controls.
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Loudness Monitoring

The Blue|328 includes the ability to monitor the loudness level of the audio using using ITU-R BS.1770-2 gated algorithm. The LOUD menu allows the user to specify what channels are included in the loudness measurements and enables/disables the Loudness Monitoring.
Note
When Loudness Monitoring is turned on in the LOUD menu the Meter View will also show the Loudness and Peak Level. Refer to “Meter View Loudness Monitoring“ on page 29 for more information.
The Loudness Monitoring always follows the signals that are feeding the output meter that you see in the "Meter View”. Refer to “Gray|328 Audio Block Diagram“ on page 9 for more information.
Loudness Monitoring feature only works with the mixer at a 48kHz sample rate.
To access the Loudness Menu:
1. Press the MENU button to call up the System Menu.
2. Press MORE 4 times to display the fifth level of the System Menu.
3. Press the LOUD soft-button to display the Loudness Menu.
Figure 50. Analog6 Module Detail
Figure 51. Loudness Menu
The Loudness Menu, when enabled, will display the loudness level in LUFS (Loudness Units Full Scale) and Peak Level in dBFS. The Loudness Menu controls are:
ON: The ON soft-button toggles the Loudness Monitoring on/off.
When Loudness is on, the soft-button is displayed in reversed video.
Pause/Play: The Pause/Play soft-button allows the Loudness
Monitoring to be stopped and started as needed. The Pause is shown when the Loudness Monitoring is running. The Play is shown the the Loudness Monitoring is paused.
Note
When analyzing the loudness of an audio segment make sure to stop the Loudness Monitoring with the Pause/Play soft-button so that the loudness algorithm can finalize the loudness measurement.
RESET: The Reset soft-button resets the Loudness and Peak
readings back to infinity.
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EXIT: Press the Exit soft-button to exit the Loudness Menu.
SELECT MODE: The Select Mode soft-button allows the Loudness
Monitoring to either follow the current Monitor Mode or allows for custom setups with Manual Mode.
Loudness Menu Manual Mode
The Loudness Menu allows custom loudness setups to be created using the Manual Mode. Turning the Select Mode soft-knob will toggle between “FOLLOW MONITOR” and “MANUAL”. In Manual Mode the Loudness Menu changes as follows:
Figure 52. Loudness Menu, Manual Mode
In Manual Mode the lower soft-knob is used to select the loudness channels. The selected channel is shown in reversed video. The selected channel can be feed from any of the Program Outputs.
Note
Only a single Program output can feed a loudness channel.
The keypad is used to select which Program Output feeds the selected loudness channel as shown:
Figure 53. Keypad, Loudness Menu Channel Selection
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The Loudness Menu keypad uses the “L” side only for making selections of Program Output Buses. Only a single Program output selection is permitted per Loudness channel.
In the above example the “L” loudness channel is selected and Program Output 1 is currently selected. The Program Output 1 lamp is on in the keypad to indicate it is selected. Any of the Program Outputs can be selected from the keypad to feed the loudness channel.
Use the Select Channels soft-knob in conjunction with the keypad to create a custom loudness setup.
Press the EXIT soft-button or the MENU button to exit the Loudness Menu.
Page 52 System Adjustments and Information Display

Making Fader Assignments

This section describes the steps involved in assigning a stereo input pair to a fader. Remember all input faders on the mixer are stereo. You can assign just one input channel to a fader if needed, refer to “Appendix B: Assigning Single Channels“ on page 109 for more information.
Note
This operation is different depending on whether the selected fader already has inputs assigned. If a fader already has an input assigned to it, the Route Menu is displayed first and you must press ASSIGN to go to the Fader Assignment Menu.

Making Fader Input Assignments

In the example used in these instructions, input slots A and B each have 8-channel input modules, slot C has a 4-channel input module, and slot D has no input module installed.
Operator’s Guide
When assigning inputs to a fader, you can choose to preview the inputs to locate the proper input before making the assignment. See the instructions.
Note
Only one fader can be assigned at a time. If you have selected a fader for input assignment and then select a different fader, the original fader is deselected.
If you de-select the Select button during the assignment operation (without selecting an input), the assignment operation is aborted.
Faders can re-use inputs. In other words, two faders can use the same input channels.
Assigning inputs to a fader
This procedure describes how to assign a stereo input pair to a fader.
1. Press the Select button for the desired fader. The Select button's LED
lights up.
Note
Always make sure the SOLO button is turned off when using the Select buttons for Fader Assignments.
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2. If the selected fader already has an input assigned to it, press
ASSIGN to go to the Fader Assignment Menu. If the selected fader currently has no input assigned to it, the Fader Assignment Menu automatically appears.
Figure 54. Fader Select Buttons
Figure 55. Fader Assignment Menu
3. The selected fader highlights on the display. In the example above,
fader #1 is selected. The Multi-Function Keypad lights up, indicating available inputs.
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Figure 56. Multi-Function Keypad for Fader Input Assignment
Note that there are four areas in the Multi-Function Keypad and labeled “A In”, “B In”, “C In” and “D In.” These correspond to the four input card slots on the back of the mixer. Each area has four buttons, which correspond to the four possible input pairs. The number of LEDs that light up for an input card depend upon the type of card that is installed. If an input module is not installed, the associated LEDs for those channel pairs will not light up.
4. You can now select an input using the Multi-Function Keypad or
choose TONE as the assigned source.
Note
If you wish to preview the inputs to locate a particular source, press PVW. This allows you to step through several sources, previewing them without exiting the fader assignment process.
Auto To/From channels can also be selected by pressing either the PGM (From) or PST (To) button. Refer to “Auto To/Auto From Mode” on page 95 for details regarding Auto To/From.
5. Using the Multi-Function Keypad as shown above, select the input
channel pair you want to assign to the selected fader.
Your choice is immediately assigned to the selected fader and the
fader assign process is completed, unless you selected Preview in the previous step.
If you choose to Preview your input selection, deselect the select
button to end the input assignment process.
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The display changes to indicate your selection. Refer above to Figure 45 which shows Fader 1 with Input A, channels 1 and 2 assigned to it.
Clearing an input assigned to a fader
1. Press the Select button for the desired fader.
2. Press ASSIGN to display the Fader Assignment Menu
3. Choose CLEAR to clear the input.
4. Deselect the Select button to end the fader de-assignment process.

Setting Up Fader Output Routing

Output routing is the process of choosing which Program output buses a fader’s stereo output will be routed to when the PGM or PST button for the fader is selected.
To change a fader’s output routing:
1. Press the Select button above the desired fader to display the Route
Menu.
Note
If the selected fader has no inputs assigned to it, you will be taken to the Fader Assignment Menu for input assignment. The fader must have an input assigned to it in order to perform output routing. See “Assigning inputs to a fader” on page 53 for more information.
Figure 57. Route Menu
The example above shows Fader #1 selected (darkened). The program outputs to which the fader is routed are indicated in the detail, illustrated in the following:
Figure 58. Route Menu Detail
2. Using the Multi-Function Keypad, select the output buses to which the
fader should be assigned. Remember that each fader is a stereo fader, and thus has a left and right channel to route. Both channels are assigned together.
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Operator’s Guide
Figure 59. Multi-Function Keypad for Output Routing
The LEDs on the Multi-Function Keypad, as well as the Route Menu, indicate current output routing. As you make routing changes, the Multi-Function Keypad LEDs and the Route Menu display will follow.
3. Deselect the Select button to accept your routing changes.
OR Press CANCEL to restore the routing to its previous settings and exit the Route Menu. Press RESET to reset the fader to its default routing. Default routing of the stereo pairs is shown here:
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Notes
The cancel and reset options do not appear on the display until you make a change to the existing routing.
Fader # Default Output Routing
1 1 / 2
2 3 / 4
3 5 / 6
4 7 / 8
5 1 / 2
6 3 / 4
7 5 / 6
8 7 / 8
Table 6.Default Fader Output Routing
If you have selected a fader for routing and then select a different fader, the original fader is deselected, with any changes accepted. The new fader is then available for output routing.
If the fader selected for output routing assignments has its Program Output button selected during the routing assignment, the new assignments immediately appear on the program outputs. This enables you to monitor output routing changes as they occur.
Page 58 Making Fader Assignments

Applying Audio Effects

A comprehensive range of audio effects is available on your Gray|328 mixer. The following diagram represents the Select Menu Tree on the Gray|328 which is used for applying audio effects.
Operator’s Guide
Figure 60. Select Menu Tree
Here are some general instructions:
To adjust a fader, press the fader’s Select button first. Then navigate
to the appropriate audio effects menu described below and follow directions.
To adjust more than one fader’s audio at once, press the Select
button of each fader you wish to include in the adjustment.
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Applying Equalization

The Gray|328 provides you with excellent equalization (EQ) controls. You can adjust any or all inputs via the 3-band (low, mid, high) equalizer. These parameters are variable with several choices of Q (width) adjustment as well. The display provides immediate visual feedback as you make adjustments.
You can also make equalization adjustments for more than one fader at a time.
Available Equalization Parameters
Following is a list of equalization parameters and the soft labels associated with them:
Parameter Label Range or Setting
Low Band L-BAND 20Hz to 1kHz
Mid Band M-BAND 100Hz to 10kHz
High Band H-BAND 1kHz to 20kHz
Low Q LOW-Q Q = 0.7
High Q HI-Q Q = 2
Notch NOTCH Q = 5
Gain GAIN Low & High Q:+/- 12dB
Notch: -
Table 7.Available Equalization Settings
Adjusting Equalization for a Fader
To adjust the equalization for a set of inputs assigned to a fader:
1. Press the desired fader’s Select button.
2. Press the EQ soft button to bring up the Equalization Menu.
Figure 61. EQ Menu
3. Press ON to toggle the EQ processor on for the selected fader(s).
Since this button is a toggle, you can turn equalization on or off to hear the effect of your adjustments as you work.
Note
Holding the ON soft button down for three seconds turns EQ off and restores the default settings.
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4. Choose the equalization band you wish to adjust by pressing the
Band Select soft button (next to the ON button) repeatedly until the name of the desired band appears.
Figure 62. Equalization Menu: Band Selection
In the figure above, the middle equalization band has been selected, indicated by M-BAND displayed on the screen.
5. Use the Upper Soft Knob to change the frequency for the selected
band. As you adjust the frequency, the display changes accordingly and moves the image accordingly by sliding it either to the right (higher frequencies) or left (lower frequencies).
6. Use the Lower Soft Knob to adjust the gain for the selected band.
As you adjust the gain, the display changes the height of the image accordingly.
7. Press the Q select soft button repeatedly to select one of the Q
settings: Low-Q, High-Q, or Notch.
Figure 63. EQ Menu: High Q Selection
Figure 64. EQ Menu: Low Q Display
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8. To accept the current equalization settings, deselect the fader's Select
button. OR Press CANCEL to exit and restore the previous settings. This will return you to the Main View. You can also adjust the EQ settings for more than one fader at a time.
Adjusting Equalization for Multiple Faders
To adjust equalization for multiple faders:
1. Press the Select button(s) for the other fader(s) you wish to add
equalization to while in the Equalization Menu. If the new fader(s) have EQ settings that do not match the current fader’s settings, a prompt will appear on the display asking whether you wish to copy the current settings to the selected faders.
Figure 65. EQ Menu: Notch Display
Figure 66. Equalization Menu Copy Prompt
2. Press YES to copy the equalization settings so all selected faders can
be adjusted at the same time. Or, if you do not wish to adjust equalization for the multiple faders, press Cancel.

Applying Dynamics

The Gray|328 mixer provides you with an excellent dynamics processor that allows you to expand and/or compress/limit the audio. The LCD display provides immediate visual feedback of your adjustments. This section contains the following subsections:
Overview of Dynamics Controls - Listing of adjustable parameters.
Overview of Dynamics Menu - Explanation of the Dynamics Menu.
Dynamics Adjustment Procedures - Step-by-step instructions.
Note
Dynamics features work only at a 48kHz sample rate.
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Since there is only one sidechain for both left and right channels, there is no way to adjust the two channels independently.

Overview of Dynamics Controls

Dynamics controls operate on a channel pair and consist of an expander and a compressor/limiter. The table below details the defaults and ranges of these controls.
Default Min Max
Expander
Threshold -45dB -60dB -20dB
Ratio OFF (1.0) OFF (1.0) GATE (10.0)
Attack 35 mS 0.5 mS 80 mS
Release 350 mS 50 mS 8.0 S
Compressor/Limiter
Threshold -20dB -40dB +15dB
Ratio 2.0 OFF (1.0) LIMIT (10.0)
Attack 35 mS 0.5 mS 80 mS
Release 350 mS 50 mS 8.0 S
Output Gain 0dB -30dB +30dB
Table 8.Dynamics Control Parameter List
Note
The threshold and gain settings above are in reference to the current digital reference level of the mixer. So, for example, if the current digital reference level is set to -20dBFS, the default for the Compressor/Limiter Threshold is actually equal to -40dBFS.
Overview of Dynamics Menu
The following graphic provides an overview of the Dynamics Menu:
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The Dynamics Menu comprises the following main areas:
Meter/Output Section
Compressor/Limiter Section
Expander Section
Figure 67. Dynamics Menu: Overview
Dynamics Menu, Meter/Output Section
The Dynamics Menu incorporates stereo meters and a gain reduction meter. These meters allow you to immediately see the effect of changes you make to the dynamics. Additionally, there is an output gain adjustment to increase or decrease gain to desirable levels after making changes to the dynamics.
Figure 68. Dynamics Menu: Meter/Output Section
If you are applying dynamics to more than one fader, you can change which fader you are metering by rotating the Upper Soft Knob. The current fader is displayed to the left of the output meters, as illustrated below.
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Figure 69. Dynamics Menu: Fader Channel Indicator
Dynamics Menu, Compressor/Limiter Section
The Compressor/Limiter section provides immediate feedback on the four control adjustments: Threshold, Ratio, Attack, and Release.
Figure 70. Dynamics Menu: Compressor/Limiter Section
Dynamics Menu, Expander Section
The Expander section provides the ability to adjust the Threshold, Ratio, Attack, and Release.
Figure 71. Dynamics Menu: Expander Section
Dynamics Adjustment Procedures
To adjust the dynamics for a set of inputs assigned to a fader:
1. Press the desired fader’s Select button.
2. Press MORE to access the next menu.
3. Press the DYN soft button to bring up the Dynamics Menu.
4. Press ON to toggle the dynamics processor on for the selected
fader(s).
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Because this button is a toggle, you can turn the dynamics on or off as you adjust to hear the effects of your adjustments as you work.
Note
Holding the ON button down for three seconds turns Dynamics off and restores the default settings.
5. Choose the parameter you wish to adjust by pressing the left or right
arrow soft buttons.
6. Use the Lower Soft Knob to change the setting for the selected
parameter.
7. Use the Upper Soft Knob to select which fader channel you are
metering. The fader currently being metered is displayed below the word “DYNAMICS” in the menu.
8. To accept the current dynamics settings and exit the Dynamics Menu,
deselect the fader's Select button. Or press CANCEL if you wish to exit and restore the previous settings. This will return you to the Main View.
Figure 72. Dynamics Menu: Parameter Select/Adjust
You can also adjust the dynamics settings for more than one fader at a time.
To adjust the dynamics for multiple faders:
1. Follow the steps above to enter the Dynamics Menu and adjust the
controls as you wish for one of the desired faders. Remain in the Dynamics Menu and ensure that the ON button is set.
2. Select the other fader(s) you wish to add dynamics to while in the
Dynamics Menu. If the new fader(s) have dynamics settings that do not match the current fader’s settings, a prompt will appear on the display asking if you wish to copy the current settings to all the selected faders.
Figure 73. Dynamics Menu: Multiple Faders
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3. Press YES to copy the dynamics settings so all selected faders can
be adjusted at the same time. OR Press CANCEL if you do not wish to adjust dynamics settings for the multiple faders.
4. Follow steps 5-8 above to adjust the dynamics for the selected faders.
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Applying Audio Delay

The Gray|328 incorporates the ability to delay the audio for solving issues relating to lip-sync where the audio must be delayed to match the video.
The input delay is adjusted by video frames. The maximum video frame delay varies with the digital audio sampling rate, as follows:
The following screen shows the Delay Menu.
Sampling Rate Frames (NTSC & PAL)
48kHz 16
96kHz 8
Table 9.Maximum Delay Values
Figure 74. Delay Menu: Single Fader
To adjust the delay for a set of inputs assigned to one fader:
1. Press the desired fader’s Select button.
2. Press MORE to access the next menu.
3. Press DELAY to enter the Delay Menu.
4. Rotate the Upper Soft Knob to adjust delay by frames relative to the
current or default video reference.
5. Press EXIT to exit the Delay Menu.
OR Press CANCEL to exit and restore the previous settings, press the CANCEL button. You will then return to the Main Menu. Press CLEAR to zero the delay settings for the selected fader. You will then return to the Main Menu.
To adjust delay on all faders simultaneously:
1. Press the Select button for one of the faders.
2. Press the MORE to access the next menu.
3. Press DELAY to enter the Delay Menu.
4. Press gang to select all of the faders.
If GANG is pressed and the delay values of all faders don't match, a message will appear indicating that you can either copy the first selected input channel or exit back to the Delay Menu.
5. Follow the steps above to adjust the delay for all faders ganged
together.
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Operator’s Guide
Figure 75. Delay Menu: Ganged Faders
Note
Multiple channels can be selected separately from using the GANG feature by using the select row. Simply select the faders on which you wish to adjust the delay and adjust the delay value as outlined above.
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Applying Phase Reversal

The Gray|328 allows you to do a 180° phase reversal on the left channel of a fader by the simple push of a button.
Note
Before you can adjust the phase, you must assign inputs to the desired fader. For information on assigning inputs to faders, see “Making Fader Input Assignments” on page 53.
To turn Phase on:
1. Press the select button above the desired fader
2. Press MORE to access the next set of soft labels.
3. Press the PHASE soft button.
The mixer will reverse the phase on the left channel of the selected fader. The menu displays the PHASE soft button in reverse video when phase reversal is on. A phase symbol appears in the Main Menu to indicate a fader has phase reversal on.
Figure 76. Main Menu: Phase Indicator
In the example above, Fader #2 has phase reversal applied to it.
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Operator’s Guide

Enabling Clean Feed

The Gray|328 allows you to send a fader's audio cleanly through the mixer without any additional effects applied. This is quite useful for making dubs.
Notes
Before you can turn Clean Feed on, you must assign inputs to the desired fader. For more information on assigning inputs to faders, see “Making Fader Input Assignments” on page 53.
Input Trim still functions while in Clean Feed mode. If you wish to maintain a unity path by using Clean Feed, you must also ensure that the input level gain is set to 0dB. See ”Trim” on page 73 for more information.
If the Clean Feed inputs are coming in to the mixer via a sample-rate­converted (SRC) input module the SRC should be bypassed on that module to achieve a clean bit-accurate feed. See “Adjusting the AES­SRC Input Module“ on page 47 for more information.
When Clean Feed is enabled, the following occurs:
The fader can no longer be used for gain adjustment and the audio
level is set to unity.
The unity indicator for the fader is turned on.
The Master Fader no longer effects fader channels in Clean Feed
mode.
The pan pot is no longer active and the audio balance is set to even.
All equalizer settings are disabled.
All dynamics settings are disabled.
Phase reversal is disabled.
The current routing settings are still valid.
The Program button for the fader works normally.
The Preset button for the fader works normally.
The Select button for the fader works normally.
The Trim function for input gain works normally.
When Clean Feed is disabled the following occurs:
The fader functions normally again at its current position.
The pan pot functions normally again at its current position.
Any audio effects (EQ, Dynamics) that were present are restored.
To turn Clean Feed on:
1. Press the desired fader’s Select button.
2. Press MORE to access the next menu.
3. Press MORE again. The Clean Feed soft label will appear on the
Main Menu display.
4. Press the CLEAN soft button to activate Clean Feed Mode.
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The menu displays the CLEAN soft button in reverse video when Clean Feed is on. The words CLEAN FEED appear in the Main Menu to indicate a fader has clean feed on.
Figure 77. Main Menu: Clean Feed Indicator
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Adjusting Input Gain Trim

The trim feature allows you to adjust the input level gain on a pair of inputs assigned to a fader.
Note
Before you can adjust the input gain trim, you must assign inputs to the desired fader. For information on assigning inputs to faders, see “Making Fader Input Assignments” on page 53.
To adjust input trim:
1. Press the Select button for the fader with the desired inputs assigned
to it.
2. Press MORE to access the next menu.
3. Press MORE again.
4. Press the Trim soft button to enter the Trim Menu:
Figure 78. Trim Menu: Fader 1
The screen above is for Fader 1. The level meter shows the pre-fader levels (L and R).
5. Adjust the Upper Soft knob for trim adjustments.
6. To save the setting, deselect the Select button.
Or, press CANCEL to cancel all changes and exit the TRIM Menu.
7. If you wish to adjust the input trim on another fader, simply press the
select button for the desired fader. The Trim Menu indicates the fader number in the left-hand portion of the screen. You may now adjust trim on the newly-selected fader.
Note
You can only select one fader at a time to adjust input trim.
Trim levels are associated with the inputs. In other words, if you de­assign the inputs after adjusting the trim levels, when the same input is reassigned the last trim level will be recalled.
Trim changes always adjust both input channels for the selected fader.
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Monitoring Control

Monitoring control on the Gray|328 gives you the ability to monitor the mixer's Program bus, the Solo bus, or the Record Returns.
The Monitoring controls are shown below.
Figure 79. Monitor Control Section

Monitoring Program Bus

1. Ensure that the audio to be monitored is selected on the PGM button.
2. Verify the input fader is positioned properly.
3. Make sure the Master fader is adjusted properly.
4. Make sure the PGM OUT button is enabled.
5. Make sure the MUTE button is disabled.
6. Make sure the Monitor knob is adjusted properly.

Setting Up Solo bus Monitoring

1. Ensure that you are not in any menu.
2. Make sure the SOLO button is enabled.
3. Make sure the PGM OUT button is disabled.
4. Confirm that the audio to be monitored is selected on the SELECT
buttons.
5. Verify the input fader is positioned properly.
6. Make sure the Master fader is adjusted properly.
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Operator’s Guide
7. Make sure the MUTE button is disabled.
8. Make sure the Monitor knob is adjusted properly.

Monitoring Record Returns

1. Ensure that Record Returns have been properly configured. Refer to
“Assigning Record Returns“ on page 88 for details.
2. Make sure the PGM OUT button is disabled.
3. Make sure the SOLO button is disabled.
4. Make sure Mute button is disabled.
5. Make sure the Monitor knob is adjusted properly.

Setting up the Monitor Mode

Monitor modes are various monitor matrix output configurations for normal monitoring of program outputs. There are nine monitor modes: Mono, 2-Channel, 4-Channel, 8-Channel, three Surround modes, and two User modes. User modes are modes that you can modify.
Note
The Monitor Mode cannot be activated if the mixer is in any other mode or menu.
Fader Select buttons will not function when in Monitor Mode.
Selecting a Monitor Mode
1. Ensure that the mixer is not in a System Menu or another menu.
2. Press the MODE button to bring up the Monitor Mode Menu.
When the MODE button is activated, the Monitor Mode Menu is displayed. The current mode is displayed along with a representation of the monitor crosspoints and mute status. Muted channels are displayed in reverse video with the MUTES indicator.
Figure 80. Monitor Mode Menu Example
3. Use the Upper Soft Knob to select monitor modes.
If you select one of the user modes, see the instructions for User Modes below (page 79).
4. To accept the currently-displayed monitor mode, deselect the MODE
button. Or, press CANCEL to cancel mode selection and return to the previously-applied monitor mode. The modes are described below.
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Mono Mode Description
In Mono mode, the monitor matrix is set up for a monaural mix of all eight monitor input channels to monitor outputs 1 and 2. The following shows the Mono Mode screen.
2-Channel Mode Description
In 2-Channel mode, the Monitor matrix is set up for a stereo feed of the monitor inputs to monitor outputs 1 and 2. The following shows the 2-Channel Mode screen.
Figure 81. Monitor Mode: Mono Screen
Figure 82. Monitor Mode: 2-Channel Screen
4-Channel Mode Description
In 4-Channel mode, the Monitor matrix is setup for a 4-channel feed of the monitor inputs to monitor outputs 1, 2, 3, and 4. The following shows the 4-Channel Mode screen.
Figure 83. Monitor Mode: 4-Channel Screen
8-Channel Mode
In 8-Channel mode, the monitor matrix is setup for a straight feed of the monitor input channels to the monitor outputs. The following shows the 8­Channel Mode screen.
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Figure 84. Monitor Mode: 8-Channel Screen
Surround Sound Mode Description
Surround Sound modes provide three default track assignments used for surround sound. The Upper Soft Knob is used to rotate through the three surround sound modes. The track assignments are indicated at the bottom of the display. Notice that the mixer does the reassignment for you, eliminating the need for you to disconnect and reconnect the monitor outputs. All you need to do is to assign faders to the desired output bus (for information, see “Setting Up Fader Output Routing” on page 56.
The three surround sound modes are as follows:
Figure 85. Monitor Mode: Surround Sound 1 Screen
Figure 86. Monitor Mode: Surround Sound 2 Screen
Figure 87. Monitor Mode: Surround Sound 3 Screen
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Surround Sound Dowmmix
The DownMix button on the Surround Sound mode menus will simulate a stereo downmix or Lo/Ro (Left only/Right only) when in one of the various
5.1 Surround Sound modes. Using the SELECT OUTPUTS soft-knob allows the stereo downmix to be outputted on the Lt/Rt outputs (monitor outputs 7 and 8) or on the L/R outputs (monitor outputs 1 and 2) while all other monitor outputs are turned off.
The Lo output is created by adding Left, plus Center (at –3dB), plus Left surround (at –3dB), and the Ro output is created similarly by adding Right, plus Center (at –3dB), plus Right surround (at –3dB). The LFE channel is discarded.
The Surround Sound 1 Downmix modes are as follows:
Figure 88. Surround Sound 1 Downmix Lt/Rt
Figure 89. Surround Sound 1 Downmix L/R
The Surround Sound 2 Downmix modes are as follows:
Figure 90. Surround Sound 2 Downmix Lt/Rt
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Figure 91. Surround Sound 2 Downmix L/R
The Surround Sound 3 Downmix modes are as follows:
Figure 92. Surround Sound 3 Downmix Lt/Rt
Operator’s Guide
Figure 93. Surround Sound 3 Downmix L/R
User Mode Description and Setup
The User Mode allows you to set up two custom monitor matrix configurations (USER 1 and USER 2). When selected, the display changes to the following screen.
Figure 94. Monitor Mode: User 1 Screen
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Lets take USER 2 MODE for an example. Notice that channels 1 and 2 of the monitor matrix are highlighted in the display.
Figure 95. Monitor Mode: User 2 Screen
Figure 96. Monitor Mode: User 2 Screen, Detail
Also, the Multi-Function Keypad LEDs correspond to the active crosspoints shown on the display.
Figure 97. User Monitor Mode Crosspoints: Multi-Function Keypad
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To change the current monitor routing for program outputs 1 and 2:
1. Use the Multi-Function buttons to select any output configuration you
wish. For example, if you would like to mono the output of channels 1 and 2, so that whatever is going out on program output bus 1 will go out to monitor outputs (speakers) 1 and 2, press the Multi-Function Keypad buttons so they end up like this:
Figure 98. User Monitor Modes, Indicators On Multi­Function Keypad
Now Program output channels 1 and 2 are configured to be sent out to both monitor outputs 1 and 2. This results in a mono mix of program outputs 1 and 2 to monitor outputs 1 and 2. Any audio that is only on program bus 1 will be sent to both monitor outputs 1 and 2. Likewise, any audio that is only on program bus 2 will be sent to both monitor outputs 1 and 2.
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2. To switch to another set of monitor input channels, rotate the Lower
Soft Knob, labeled “SELECT CHANNELS.” As you rotate the knob, the display will highlight the next set of channels. The Multi-Function Keypad buttons will follow the display. Lighting the LEDs to indicate active monitor matrix selections.
Figure 99. Monitor Mode: User 2 Mode, Detail #2
Figure 100. Monitor Mode: User 2 Mode, Channels 5 and 6
3. After you select the other channels, use the Multi-Function buttons to
route the program outputs to monitor outputs as you wish.
4. To accept the changes, toggle the monitor MODE button off. The
display returns to the previous view.
5. Or, press RESET to reset the mode to its default state (8-channel
routing).
Page 82 Monitoring Control

Memory Save/Recall

The Gray|328 allows you to take up to 200 snapshots of the mixer’s settings, and recall them. At each memory save, the current control panel settings are stored in a register. During recall, the settings stored in a register are applied to the control panel.
Note
You can only Save/Recall a register when you are not in any menu (Select, System Menu, or Monitor Mode).
Because flash memory is used, setups saved to memory are not lost if power is removed.

What is stored during a Memory Save

During a Memory Save, the following settings are stored for later recall.
Operator’s Guide
Input Assignment
EQ
Phase
Mute
Headphone Output
Routing
Digital Reference Level
Delay
Input Level Trim
Output Assignment
Monitor Mode
Solo
Headphone Level
Sample Rate
Panel LED Level
Clean Feed
Fader levels
Pan Pot positions
ESAM II Crosspoints
ESAM II Controls
Figure 101. Memory Save Contents
Note
Monitor level, Master Fader setting, and Reference source are not stored during a memory save.
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Memory Save/Recall Operations

Figure 102. Memory Save/Recall: Multi-Function Buttons
The Register menu allows for register naming, register saves, and register recalls. The Register menu also indicates if the register is in use or if the register is empty.
Figure 103. Register Menu
To do a Memory Save:
1. Exit all menus (Select, System Menu, or Monitor Mode).
2. Make the adjustments to the control panel that you wish to save to
memory for later recall.
3. Press a memory register button (see above). The Register menu will
appear on the display.
Page 84 Memory Save/Recall
Operator’s Guide
Figure 104. Register Menu
If the register is already used REGISTER EXISTS will appear. If a different or empty register is desired either scroll using the upper soft knob or select a different register button with the Multi-function Keypad.
Note
Only register numbers 1 – 16 can be accessed via the Multi-function Keypad. For all other register numbers the upper soft knob must be used.
4. Press the SAVE soft button to save the register.
To do a Memory Recall:
1. Press a memory register button (see above). The Register menu will
appear on the display.
Figure 105. Register Menu
If the desired register to recall exists REGISTER EXISTS will appear along with the RECALL soft button. If the register is empty the RECALL button will not appear.
2. Press the RECALL soft button to recall the selcted register
OR
Scroll to another register using the upper soft knob.Select a different register using the Multi-function Keypad.
Note
Only register numbers 1 – 16 can be accessed via the Multi-function Keypad. For all other register numbers the upper soft knob must be used.
The recalled settings may be viewed in the LCD Views. Fader and
pan pot settings, as well as audio offset (see below), are also indicated in the Fader Level View. These settings are also reflected in the Unity LED on the fader strip and the pan pot indicators on the Main View. For more detail, see “Main View”, page 25; “Fader Level View”, page 31; and “Unity LED”, page 15.
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Note
The difference between the recalled audio position and the current fader and pan pot positions is the audio offset.
You may now change the controls as desired to move on from the
recalled mixer setup.
As you change the fader position, the audio position will accelerate to
“catch up” with the fader position. Once this happens, the audio position will match and follow the fader position.
The pan pot position “catches up” similarly to the fader audio position.
To Name or Rename a register:
1. Press a memory register button. The Register menu will appears on
the display.
2. Press the RENAME soft button. The Register menu will now display a
small name window.
Figure 106. Register Name Menu
3. Use the upper soft knob to scroll the letters, number, and characters.
4. Use the lower soft knob to move the position either before or after the
current character.
5. Use the CLEAR soft button to clear out the name completely.
6. Use the BACK soft button to erase the character immediately
preceding the current position.
7. Press DONE when the desired name is ready to be saved or press
CANCEL to abort all changes.
Note
Once a register has been named or renamed it is no longer possible to scroll to any other registers until the register menu is re-entered.
Page 86 Memory Save/Recall

ESAM II Control

Introduction

The Gray|328 mixer can be controlled by a video editing system using the ESAM II serial protocol. ESAM II (Edit Suite Audio Mixer protocol Serial II) is an industry-standard language that allows video editing systems to control audio mixers.
Under ESAM II control input pairs are selected or de-selected on the PGM or PST bus per their assigned fader. If using Auto To/Auto From the input pairs will be automatically selected on the faders.
ESAM II allows you to do the following:
Perform frame accurate transitions under edit control.
Preview edits using the built in 2x1 preview switch (PGM OUT).
Perform memory save/recalls
Note
Operator’s Guide
While an editor is controlling the Gray|328 mixer, all controls remain available for manual operation.

Setting up for ESAM II Control

This section describes the steps necessary to set up your mixer for ESAM II control:
Assign Record Returns and Auto Record.
Assign ESAM II Crosspoints.
Configure ESAM II control.
Fader channel LOCK.
Auto To/From Mode.
Supported ESAM II commands.
Note
The mixer must have input assignment, output routing, and monitoring configured before setting up ESAM II Control. Refer to:
“Making Fader Input Assignments” on page 53 for input assignments.
“Setting Up Fader Output Routing“ on page 56 for output routing.
“Monitoring Control“ on page 74 for monitoring.
.
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Assigning Record Returns

Record returns are outputs of the record VTR machine after the results of mixing have been recorded. These can be monitored for quality assurance.
The REC Menu, in conjunction with the Multi-Function Keypad, is used to select which inputs feed the record returns. Up to four record return input pairs may be designated.
Note
The record returns are set at unity gain with no audio effects (audio delay, equalization, dynamics, etc.). The output routing follows the inputs (input pair 1 feeds monitor outputs 1 & 2, input pair 2 feeds monitor outputs 3 & 4, etc.).
Figure 107. REC Menu for Record Returns
Note in the menu above that Record Return 1 is highlighted; this indicates that the select button for that pair is on and is in the process of assigning inputs.
To assign record returns:
Select buttons 1-4 and the Multi-Function Keypad are used for assigning inputs to record return channels. The keypad is used to assign inputs; its buttons light up to indicate which inputs are available (which depends on the input modules that are installed in the mixer).
1. Make sure the SOLO button is off.
2. Press the MENU button to bring up the System Menu.
3. Press MORE to display the second level of the System Menu.
4. Press REC to bring up the REC Menu.
5. Select a record return channel using Select buttons 1 through 4.
6. Use the Multi-Function Keypad to select two inputs for the record
return channel.
7. Press the ENTER soft button to accept the settings.
OR,
Press the CLEAR soft button to clear input assignments to a
Record Machine input pair.
Press the CANCEL soft button to cancel any setting changes.
View the REC Menu to confirm the settings.
Page 88 ESAM II Control
Figure 108. REC Menu Keypad
Operator’s Guide
Auto Record
The Gray|328 has the ability to automatically select what inputs feed the Record Returns from the Edit Controller. By assigning a set of inputs to the same crosspoint number as the Record VTR, the Gray|328 will automatically select these inputs for the Record Returns when the Edit Controller selects the Record VTR.
Auto Record also gives the Gray|328 the ability to handle VTR swapping from the Edit Controller. When a playback source and the record source are swapped by the Edit Controller the Gray|328 will automatically select the new record source on the Record Returns.
Refer to “”Assigning ESAM II Crosspoints“on page 90 for information regarding crosspoint assignments and “Adjusting Edit System Controls” on page 92 regarding enabling and disabling Auto Record.
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Renegade Labs Gray|328

Assigning ESAM II Crosspoints

The CROSSPOINT SETUP Menu is used to assign inputs to ESAM II editor system crosspoints and to display the current crosspoint settings.
The Crosspoint Setup Menu is divided into 5 sections. Four of the sections follow the input card slots A – D. Each input card slot section allows each input pair to have a crosspoint number assigned to it. The upper softknob (INPUT SEL) is used to scroll through the various inputs while the lower softknob (XPT SEL) adjusts the crosspoint number. The input pair that is reversed video is the current selected pair (A IN 1/2 in above example).
Figure 109. CROSSPOINT SETUP Menu for 4-channel editing
The right most section of the Crosspoint Setup Menu allows for setting the T (TONE) crosspoint number. Refer to “Enable/Disable TONE“ on page 34 for additional information regarding TONE.
To assign ESAM II crosspoints to input pairs:
1. Press the MENU button to bring up the System Menu.
2. Press MORE twice to display the third level of the System Menu.
3. Press XPTS to bring up the CROSSPOINT SETUP Menu.
4. Choose a input pair or T to assign a crosspoint to by scrolling the
INPUT SEL control.
5. Assign an editor system crosspoint to the selected channel, by
scrolling the XPT SEL control through the available crosspoints until it displays the desired crosspoint. Crosspoint numbers 1-255 are available for input pair assignments.
Note
The edit system Record VTR audio crosspoint number must be assigned to the input pair(s) associated with the Record VTR for Auto Record to function properly. Refer to “Auto Record“ on page 89 for additional information regarding Auto Record.
Crosspoint 0 is designated as silence on the Gray|328.
6. Press the ENTER soft button to accept the settings.
OR,
Press RESET to set the input crosspoints to the default 8 channel
setting.
Press CANCEL to abort all changes.
Page 90 ESAM II Control
Operator’s Guide
Note
Edit system selections of crosspoints always follows the associated input pair(s), not the physical faders.
Assign the necessary number of input pairs to a single crosspoint number for the audio channels to be edited, i.e., 1 input pair to 1 crosspoint # for 2-channel editing, 2 input pairs to 1 crosspoint # for 4-channel editing, etc.
Crosspoint settings are saved in memory registers.
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Renegade Labs Gray|328

Adjusting Edit System Controls

The Edit I/F System Menu is used to determine how the Gray|328 is controlled by ESAM II.
1. Press the MENU button to bring up the System Menu.
2. Press EDIT to display the EDIT I/F Menu.
Turning Controls ON and OFF
Use the EDIT I/F soft button to enable or disable all ESAM II Control.
Figure 110. EDIT I/F System Menu
Use the CTRL SEL control to scroll through and select a control (see
list of controls below).
Use the CHANGE soft button to toggle the control on or off.
Press the ENTER soft button to accept the setting changes.
OR,
Press the CANCEL soft button to cancel any setting changes.
Available Edit System controls:
PREVIEW: When PREVIEW is on, the mixer's PGM OUT button is
controlled by the edit system. When PREVIEW is off, PGM OUT control from the edit system is disabled.
PARITY: Parity selects the RS-422 communications parity type.
Possible selections are ODD, EVEN, and NONE.
BUSMAP: Bus mapping allows edit systems that can only control four
buses the ability to control additional buses. For example, if the edit system sends a command to transition bus 1, with bus mapping the same command could also transition bus 5. The BUS SEL control will toggle between edit system buses 1 &2 and buses 3 & 4 while the keypad section is used to select which buses they are mapped to.
GPI: GPI enables or disables the external GPI trigger. The GPI allows
for external triggering of the TRAN button. Refer to “CUT/TRAN buttons“ on page 19 for information regarding the TRAN button and “Appendix A: Installation Information“ on page 106 for additional information regarding the GPI interface.
REC: With REC on the mixer will accept previewing commands from
the edit system and will use the Record Returns for Auto Record previewing. Refer to “Auto Record“ on page 89 for information regarding Auto Record. When REC is off whatever inputs assigned as Record Returns will always be selected for record return monitoring.
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Operator’s Guide
Note
Some edit system monitor sources using the Program bus in conjunction with the PGM OUT while other edit systems will use the Auto Record for previewing. Consult your edit system manufacturer for information regarding it's previewing capabilities.
TRAN: When TRAN is on, the mixer accepts transition commands
from ESAM II. When TRAN is off, the mixer ignores transition commands.
SOURCE: When SOURCE is on, the mixer accepts ESAM II source
commands on the Program/Preset buses. When SOURCE is off, the mixer ignores source commands.
Note
Individual fader channels can be locked out from accepting ESAM II commands. Refer to LOCK, below, for additional information.
Regarding BAUD RATE: The Gray|328 RS-422 communication rate is fixed at 38.4K baud.
.
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Renegade Labs Gray|328

Locking a Fader

When a fader is locked, it is excluded from ESAM II control of Program and Preset selections. It may be operated manually when locked. In the default state, all faders are unlocked.
To lock a fader:
1. Press the Select button for the desired fader.
2. Press MORE to access the next menu.
3. Press MORE again.
4. Press the LOCK soft button; a lock symbol appears next to the fader
number. The menu displays the LOCK soft button in reverse video when the fader is locked.
Figure 111. Main Select Menu with Lock
Note
Typically when using LOCK the fader's Program and Preset button should be selected to allow the audio to remain on the Program outputs during transitions and cuts.
Page 94 ESAM II Control
Operator’s Guide

Auto To/Auto From Mode

Version 3 Software for the Gray|328 adds a very powerful feature called Auto To/Auto From mode where the mixer will automatically assign inputs to fader channels via the edit system. This adds the ability to access all 32 inputs of the mixer without having to re-assigning inputs to faders.
With Auto To/From, when an edit systems sends out a TO or FROM command the Gray|328 will automatically assign those inputs associated with the command to the mixers fader channels. Since each input pair has a crosspoint number associated with it, a single crosspoint number can control one or more input pairs.
Note
Auto To/Auto From mode only operates on input pairs (2-channels). For editing of individual channels manual assign the inputs to the faders. Refer to “Appendix B: Assigning Single Channels“ on page 109 for additional information regarding assigning single channels.
Assigning Auto To/Auto From channels
This procedure describes how to assign either a Auto To or a Auto From channel to a fader. Refer to “Making Fader Input Assignments“ on page 53 for assigning inputs to faders.
1. Press the Select button for the desired fader. The Select button's LED
lights up.
Figure 112. Fader Select Buttons
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Renegade Labs Gray|328
Note
Always make sure the SOLO button is turned off when using the Select buttons for Fader Assignments.
2. If the selected fader already has an input assigned to it, press
ASSIGN to go to the Fader Assignment Menu. If the selected fader currently has no input assigned to it, the Fader Assignment Menu automatically appears.
3. The selected fader highlights on the display. In the example above,
fader #1 is selected.
4. Press either the fader's PGM button for Auto From or the fader's PST
button for Auto To assignment. The fader will now show either for Program From or a for Preset To.
Figure 113. Fader Assignment Menu
Figure 114. Auto From assignment
5. Repeat the above procedure for assigning additional Auto To/Auto
From channels.
Note
Any number of fader(s) can be assigned as Auto To/Auto From channels.
Normal assigned inputs can be used in conjunction with Auto channels.
All fader levels and audio effects are associated with the input pair.
Using Auto To/Auto From Mode
This procedure discribes the steps necessary to use Auto To/Auto From mode on your Gray|328 mixer. Auto To/Auto From mode is very simple to use once the mixer is set-up proberly. In order utilize Auto To/Auto From mode the input pairs must have audio crosspoints associated to them. Refer to “Assigning ESAM II Crosspoints“ on page 90 for more infomation.
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Operator’s Guide
1. Depending upon how many channels of audio are being edited assign
the appropriate number of Auto To/From channels:
Figure 115. Auto To/Auto From, 2-channel editing
Figure 116. Auto To/Auto From, 4-channel editing
Figure 117. Auto To/Auto From, 8-channel editing
2. Select each of the edit system sources (crosspoints) from the edit
system. Each input pair(s) will appear on the Auto From (PGM bus).
Figure 118. Auto From, Crosspoint number 1 selected, 4­channel editing
3. Make any necessary audio adjustments to each of the input pairs like
fader levels, output routing, and audio effects.
4. The mixer is now ready for editing.
Note
Auto To/Auto From always works left to right where the left most Auto To or Auto From fader will select the lowest input pair per assigned crosspoint number.
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Once the mixer is completely configured properly it is always recommend that the current set-up is saved to a memory register.
Page 98 ESAM II Control
Operator’s Guide

ESAM II Commands

The following is a list of the ESAM II commands the Gray|328 supports:
Command Type Read Command (hex) Write Command (hex)
All Stop A0
Transition Duration 3F BF
Transition Duration A7, A8 27, 28
Transition Start 29 A9
Monitor Mode 2A AA
Restore From Edit AB
Fader Levels 2D AD
Save Mixer AE
Recall Mixer AF
Monitor Mute 42 C2
Machines 34, 35, 36 B4, B5, B6
Status 2C -
Configuration 31 -
Machine Configuration 4B CB
Machine Fader 18 98
Delay Machine 34 B4
Table 10. ESAM II Commands
ESAM II Control Page 99
Renegade Labs Gray|328

USB Register Management (Gray 328|MXE only)

USB Register Management Overview

USB Register Management is a powerful feature that gives the Gray 328|MXE the ability to transfer registers to and from a USB memory device. The register management allows for custom register directory naming and the ability to delete registers either locally, on the mixer, or remotely on the USB memory device. This section describes in detail the USB Register Management.

Register Management Menu

To access the Register Management Menu perform the following:
1. Press the MENU button to call up the System Menu.
2. Press MORE 4 times to display the fifth level of the System Menu.
3. Press the USB soft button to display the Register Management Menu
as shown.
Figure 119. Register Management Menu, no USB Present
The Register Management Menu has two indicators:
STATUS: This indicator tells the current status of the USB memory
device.
CURRENT DIRECTORY: This indicator tells the current directory in
use on the USB memory device.

Transfer Registers To/From USB Memory Device

To transfer registers to or from a USB memory device:
1. Make sure you are in the Register Management Menu as previously
described in section “Register Management Menu“ on page 100.
Note
The control panel USB port has two USB connectors. Either connector can be used for connecting the USB memory device.
Page 100 USB Register Management (Gray 328|MXE only)
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