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D-Control Guide 116
Control Room Monitoring System
The Control Room Monitoring system is an 8-channel system
with six input sources (two 8-channel surround, four stereo),
and three available outputs (two 8-channel surround, one ste-
reo).
Input sources are selected with dedicated switches, and can be
combined in a special sum mode to allow monitoring of mul-
tiple inputs at the same time.
Control Room outputs are activated with dedicated switches
and level controls, including a Dim function for momentary
level reduction.
Control Room Input Source Selectors
Input Source Switches
The Control Room monitor system has six input sources:
• Main Inputs (8 channels)
• Surround Inputs (8 channels)
• Stereo 1 Inputs (2 channels)
• Stereo 2 Inputs (2 channels)
• Stereo 3 Inputs (2 channels)
• Stereo 4 Inputs (2 channels)
These sources are selected by pressing their corresponding In-
put switches, which light when the source is activated.
Input Level Trim Mode
Each input source can be trimmed independently, to allow for
setting of different reference levels or to compensate for dif-
ferences in gain structure. Available trim values range from
–20 dB to +10 dB in 0.5 dB steps.
To trim input levels:
1
Press and hold the Input Source Selector switch for the input
you want to trim, until the switch flashes.
2
Turn the Main Output Level encoder knob to set the trim
value. The monitor section display shows “Trim” and the trim
value in dB.
3
Press the flashing Input Source Selector switch to exit Trim
mode.
Sum Switch
In normal operation, the Control Room Input Source switches
follow exclusive-or (non-latching) behavior, allowing only
one source to be monitored at a time.
However, D-Control has a Sum mode that allows multiple in-
put sources to be monitored at the same time. When Sum
mode is on, multiple input source switches can be active.
Sum mode ignores any input trim values when it is active.
To add or remove inputs in Sum mode:
1
Press the Sum switch. The switch lights to indicate Sum
mode is on.
2
Press any number of Input Source switches to toggle their
corresponding inputs on or off. It is possible to turn all inputs
off in this mode.
To exit Sum mode:

Press the Sum switch again. Monitoring reverts to the input
that was selected when you entered Sum mode.
Control Room Input Source selectors
Sum switch
Stereo Input
switches
Surround switch
Main switch