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2-2
2.2 Remote Station RB-500 (requires optional Remote-B
Board)
Priority
The Remote Station RB-500 usually has higher priority than the FS-1503. This means that opera-
tion of the FS-1503 is disabled when the handset of the RB-500 is picked up. The indication
“REM” appears on the FS-1503 display when the remote station is in operation and the PTT
switch on the microphone of the FS-1503 is inoperative.
Communication on 2182 kHz
When 2182 kHz is selected on the FS-1503, the FS-1503 takes priority.
2.3 Intercom
The intercom provides communications between the FS-1503 and the RB-500 Remote Station
(option). They must be wire-connected. When intercom mode is in use, there is no radio trans-
mission.
Calling RB-500
1. Press the [INT/0] key. “COM” appears on the FS-1503 display panel.
2. Press [1]*, [ENT] keys. Calling beeps sound at the FS-1503. The buzzer stops when the
handset of the RB-500 is picked up. * Designated number of the RB-500 if more than one is
installed.
3. Press the PTT switch to talk. Release the switch to listen.
Call from RB-500
When the FS-1503 is called from the RB-500, the FS-1503 releases a buzzer. Press the [INT/0]
key to silence the buzzer. Press the PTT switch to talk. Release the switch to listen. Note that the
loudspeaker on the FS-1503 is automatically turned on when a call from the RB-500 is re-
ceived, regardless of setting.
Terminating the intercom
Press the [INT/0] key to terminate the intercom function. “COM” disappears.