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includes working on a static-free surface and wearing a grounded wrist-strap or another type of grounding device.
Opening the AR-DM2X-X Audio Monitor without proper anti-static precaution may void the warranty. For further
information, contact Marshall Electronics.
Use the following instructions to install the ARDM-D552 module in the AR-DM2X-X Audio Monitor.
1. Ensure that power is disconnected from the audio monitor.
2. Disconnect all inputs and outputs.
3. Remove the top panel of the audio monitor by removing the 14 Phillips-head screws shown in the following diagram:
Remove 14 screws (circled) to open the top panel.
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Contents
Product Overview.................................................................................................................................................................. 6
Features ................................................................................................................................................................................. 6
Installation and Initial Setup ................................................................................................................................................ 7
Unpacking ........................................................................................................................................................ 7
Input / Output Module Installation............................................................................................................. 7
Audio Monitor Mounting .............................................................................................................................. 7
Quick Start Guide .................................................................................................................................................................. 8
Front Panel Features ............................................................................................................................................................ 9
Rear Panel Features............................................................................................................................................................ 10
Basic Operation................................................................................................................................................................... 11
Overview......................................................................................................................................................... 11
Selecting an Input Module ......................................................................................................................... 11
LED Bar Graph.............................................................................................................................................. 11
Audio Monitoring ......................................................................................................................................... 12
Monitor Modes .............................................................................................................................................................................. 12
Channel-Assign Indicator LEDs .................................................................................................................................................. 12
Headphone Output ad Audio Adjustments ........................................................................................... 13
Headphone Output........................................................................................................................................................................ 13
Volume Control ............................................................................................................................................................................. 13
Balance Control ............................................................................................................................................................................ 13
Mute Functions ............................................................................................................................................................................. 13
Reset Functions ............................................................................................................................................................................ 13
Dolby-Encoded Signals ...................................................................................................................................................... 14
Dolby Signal Indication .............................................................................................................................. 14
Decoding and Monitoring Dolby Signals............................................................................................... 14
Introduction................................................................................................................................................................................... 14
Entering Dolby-Decoding Mode................................................................................................................................................... 14
Downmixing Dolby-Decoded Audio ............................................................................................................................................ 14
Dolby Downmix Configurations ............................................................................................................... 15
LKFS Monitoring ................................................................................................................................................................. 16
Introduction ..................................................................................................................................................................................... 16
Setting up LKFS Monitoring ............................................................................................................................................................ 16
Optional Modules ................................................................................................................................................................ 17
Input Modules ............................................................................................................................................... 17
ARDM-AES-BNC............................................................................................................................................................................ 17
ARDM-AES-XLR ............................................................................................................................................................................ 17
ARDM-HDSDI................................................................................................................................................................................. 17
ARDM-AA-8XLR ............................................................................................................................................................................ 17
Output Modules ............................................................................................................................................ 18
ARDM-AES-4OUT.......................................................................................................................................................................... 18
ARDM-AA-2OUT ............................................................................................................................................................................ 18
Dolby Module ................................................................................................................................................ 18
ARDM-D552 ................................................................................................................................................................................... 18
Module Installation.............................................................................................................................................................. 19
Input / Output Module Installation........................................................................................................... 19
Dolby Module Installation .......................................................................................................................... 20
Specifications ...................................................................................................................................................................... 22
AR-DM1-B Audio Monitor........................................................................................................................... 22
Input / Output Modules ............................................................................................................................... 23
Warranty............................................................................................................................................................................... 24
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