Clear-Com PIC-4704 - Manual (Page 9)

P I C - 4 7 0 4 , M A - 7 0 4 & A X - 7 0 4 I F B S Y S T E M
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The connectors on the MA-704, AX-704, and PIC-4704 are arranged for
convenient interconnection as a stand-alone system. However, all the units’
electrical characteristics are identical to those of the integrated IFB systems on
our standard broadcast intercom line. With suitable connector adaptors, both
types of units can be mixed in a system.
OPERATION
The system is operated by engaging the desired cue buttons on the access
stations. A control voltage on the IFB line causes the PIC-4704 to dip the
program feed to that channel so that the cues given are understandable. (At an
optional split-feed receiver, the program is dipped only in the cue side; the other
side has continuous program with no cue.)
1. Press the IFB button on the access station corresponding to the talent
position(s) you wish to cue, then speak into the MA-704’s microphone.
2. Press the MA-704’s ‘All’ button and you simultaneously activate every IFB
line, including those on any accompanying AX-704 units.
The control voltage also causes the corresponding buttons at all other access
locations to change in color from blue to amber, indicating which channels are in
use.