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Installation
microphones will ever be turned OFF by accident. However, you may wish to disable the mic kill receive feature at the
intercom unit. You might do this, for example, if communications will be of a very critical nature where it is absolutely
essential the microphone never be remotely deactivated. To enable the mic kill receive function, set DIP switch 1 to the OPEN
position. To disable the mic kill function set DIP switch 1 to the closed position.
Call Signal Compatibility
For Audiocom setup, leave this switch in the open position, and also leave the Balanced / Unbalanced switch in the Balanced
position. For Clear-Com setup, set DIP switch 2 to the CLOSED position to set the Balanced / Unbalanced switch to the
Unbalanced position.
Incoming Call Beep
Incoming calls are always indicated by a red-flashing call key. If you also want incoming call beep in the headphones, set DIP
switch 3 to the OPEN position (default). DIP switch 33 must also be in the OPEN position if you want to activate incoming
call beep to the speaker using DIP switch 5.
Microphone Type
If you will be using a headset, telephone-style handset, or dynamic handheld microphone, and the specifications indicate the
microphone type is balanced, leave DIP switch 4 in the OPEN (default) position. If the specifications indicated an unbalanced
microphone, set this switch to the CLOSED position. If you are not sure, leave the switch in the OPEN position for now, then
try both positions during the operations. Use the position that produces the best audio quality at other stations.
Speaker Beep for Incoming Call
Set DIP switch 5 to the CLOSED position if you want to hear incoming call beep in the speaker. Note, DIP switch 3 must be in
the OPEN position.
Balanced / Unbalanced Switch
This switch is set at the factory to the Balanced (BAL) position for use with Audiocom intercom systems. Set the switch to the
Unbalanced, or UNBAL position for use with a Clear-Com intercom system.
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