－6－
1. #1. Adjust waiting time control :
- ON : Off after calling signal
- OFF : Continues until turn on the selector button
2. #2. Adjust calling signal :
- ON : Signal Stroke
- OFF : Signal Contineuously
Master station has pre-setting volume DIP switch located on back of the unit and diary-use tone switches
located on the front panel, each allowing individual adjusting of reception and transmission volumes.
When adjusting pre-setting volume controls, be sure to set both volume switches on front panel at
MIDDLE position.
Voice volume adjustment during communciation can be made as desired by the switches on the front
panel. At the end of every communication, set each voice control at MIDDLE position.
Operations
Master Station
Check that power supply is plugged into power outlet, master station power switch is ON and the power
lamp is lit.
Receiving a Call :
1). A call from sub is annunciated by an intermittent electronic tone, which will remain
at master.
2). Depress selector button above the illuminated LED.
3). Press TALK switch to make reply and relelase same to listen to sub.
4). Upon completing conversation, depress OFF button.
Placing a Call :
1). Select the sub station you wish to communicate with and depress its selector
button.
2). Press talk switch and talk to station. Release talk switch for response from the sub
station.
3). Remember to depress OFF button upon completing conversation.
If master station receivers a call during communication, the call will be annunciated only by the lamp (the
call tone will not sound until master station depresses the OFF button corresponding to the existing
communication).
All call :
For making announcement to all sub station at a time, the all call switch can be depressed
which cuts out incoming signals. Make an announcement while pressing the all call switch
which will be transmitted to the speakers in all sub stations.
Selective Group Call :
A maximum of one sub stations may be selected at a time for communication;
however, the incoming voice and background noise would make this impractical for monitoring.
ON
OFF
#1 #2
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