Kenwood R-5000 - Page 11

3-2-3. Connecting the R-5000 with a transmitter or
transceiver
1.
Ground the REMOTE connector pin (pin 7) to mute the
R-5000 audio during transmission.
REMOTE connector
The open-circuit voltage at pin 7 is about +4.8 VDC;
the short circuit current is about 0.4 mA DC.
2.
Connect the antenna to the R-5000 via the transmitter
or transceiver antenna switching relay. If you are using
a receive-only antenna, disconnect it from the R-5000
while transmitting.
Cautions: 
1.
Failure to disconnect the antenna from the R-5000
when transmitting on a seperate transmitter/
transceiver will result in damage to the R-5000.
2.
Do not apply AC voltage to the REMOTE connector.
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