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Speaker Beep for Incoming Call
To set the speaker beep for incoming calls, do the following:
> 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.
Sidetone Trimmers
The Sidetone Trimmers are normally adjusted after all connections are completed. See “Sidetone Adjustment” on page 15.
Headset Connector Notes
If you are using a monaural, dynamic-mic headset, or a monaural, telephone-style, dynamic-mic hands-free, or a handheld
dynamic microphone, plug it into the headset connector. You can also use this connector with monaural headphones for
listening when you are using either the built-in panel microphone or the optional gooseneck microphone for talk back.
Panel Mic Connector Notes
As an alternative to a headset or telephone style handset, you can use either the built-in panel microphone or an optional
gooseneck microphone.
To connect a Telex MCP-90 gooseneck microphone, do the following:
1. Insert the 1/4” RTS connector into the panel microphone connector.
2. Screw the microphone in.
FIGURE 3. DIP Switch location RM version (left), SIP switch location S, U, and P Versions (right).