External Intercom Switch, Level Control, and indicator: This switch enables the wired intercom interface when “IN”, and disables it when “OUT”. For RTS intercoms, the “IN” position is channel 1 and the “OUT” position is channel 2. A screwdriver adjustable control is provided to control the input level of the wired intercom.
Auxiliary Audio Enable Switch, Level Con- trol, and Indicator: The switch enables and disables the Auxiliary interface when “IN” and “OUT”, respectively. The function of the level control here is the same as that described for the intercom.
REAR PANEL (Refer to Figure 4)
Transmit and Receive Antenna Connec- tors:
Attach
Transmit Switch: Slide switch that allows the operator to select one of three transmit modes. In the “OFF” position, the transmitter is al- ways off. This mode may be used if the base is functioning solely as a monitor. In the “CONT” position, the transmitter is always on. This continuous mode is recommended over the “REMOTE” mode. In the “RE- MOTE” position, the transmitter is enabled only when one or more portables are active.
Headset Microphone Select Switch: This switch allows the user to select either an Electret or Dynamic microphone.
Intercom Connectors: Connections to inter- face the
Auxiliary Output/Input Connectors: Can be used for
Power Jack: For external AC supply adaptor (supplied).
Speaker Jack: Allows the use of an external monitor if desired. An 8 ohm speaker is rec- ommended.
Speaker Volume Control: Screwdriver ad- justable. Adjust clockwise to increase speaker volume or counterclockwise to decrease speaker volume.
NOTE: Leave setting counterclockwise if no speaker is attached.