page 5 – 3
D-75 / Sep 2004
CONTROL ROOM MODULE
Internal Programming Options
Internal programming for the control room module is made via printed
circuit board (PCB) mounted dipswitch SW1 located on the top of the
module (beneath the DB-25 connectors). Note when a dipswitch position
is thrown to the right it is ON.
Cue Interrupt
Dipswitch SW1 pos. 2-5 determines how the console’s Cue function
will interrupt control room and headphone signals:
SW1 position 5 sends cue to CR left
SW1 position 4 sends cue to CR right
SW1 position 3 sends cue to HDPN left
SW1 position 2 sends cue to HDPN right
Note that when cue is only set to interrupt one side of an output (for
example, SW1 position 5 is on and SW1 position 4 is off, so that only the
left side of the CR output is interrupted by cue) that side receives a mono
mix of the stereo cue signal, while the other side (CR right in our example)
receives a mono mix of the selected monitor source.
CR/Cue Mute
The audio from both the control room speakers and the console’s built-
in meterbridge speaker can easily be picked up by the console operator’s
microphone. This is a potential source of feedback. For this reason the
console provides muting to the control room output and, optionally, the
built-in cue speaker, whenever a mic programmed for control room mute
is turned ON with A selected as the input source (see page 3-3).
SW1 position 1 will mute cue whenever the CR output is muted by
an input channel set to activate the CR mute
On-Air Tally Follows Program
By default, the on-air tally relay, which is activated whenever an input
module having its control room mute enabled is turned on, follows the
PGM assignment of the activating input module. In other words, a module
has to have its control room mute enabled, and it must be assigned to PGM,
and it must be on, in order for it to activate the air tally. A dipswitch setting
defeats this PGM assign dependence (the module must still have CR mute
enabled and be turned on to activate the air tally).
SW1 position 6 defeats the air tally dependence on PGM assign
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