152 X75HD/X75SD Installation and Operation Manual
Chapter 9: Audio Configuration
General Information
With control panel shortcuts, you can select an input (or multiple
inputs) and immediately send it to all audio outputs. Directly press the
Audio In button to select any one set of audio inputs to be sent out to all
audio multiple output sets. The LEDs to the top, right side of this button
indicate which input is currently selected. When the selected input
signal is absent, the LED flashes.
Available audio input groups include the following:
•User
• Analog—4 mono channels of analog audio input
• AES—5 channels
• DV (future use)
• SD—8 or 16 channels from the SD-SDI de-embedder
• HD—8 or 16 channels from the HD-SDI de-embedder
• Dolby—10 channels from the internal Dolby encoder
Depending upon which input you have selected, the X75 unit
automatically and logically maps all output channels. When you select
two or more audio input groups, the Audio In Src Select parameter is
automatically set to the User setting, and this control is available from
the Audio Setup>Routing submenu.
To switch between mono and stereo audio processing control, press the
Ctrl and Mo/St buttons simultaneously. When mono control is active,
each button controls an individual gain. When stereo control is active,
the top and bottom front panel buttons work together (are “married”) so
that either button will adjust the gain in stereo pairs.
Note
The optional X75OPT-AS-8/16
module is required for
synchronizing, delaying and
processing mono audio for
SD-SDI and HD-SDI inputs.
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