party on the same main channel using the same subcode. (This filters out unwanted transmissions without the same coded squelch tone). There are 38 CTCSS
To change the CTCSS
-From GMRS/FRS standby mode, press the MODE Button twice; a flashing oF or
-Then press the Up or Down button to select the desired
-Press the PTT button momentarily to confirm selection.
The CTCSS mode can be turned off by selecting the oF icon as the setting. NOTE: To communicate with other GMRS/FRS units, they must be
switched to the same channel and CTCSS subcode. To commu- nicate with other GMRS/FRS units that do not have subcodes, switch your unit to the same channel with the subcode set to oF. The CTCSS subcodes do not prevent others from hearing your transmission. This will only allow you to ignore all traffic on a given channel not using the same subcode.
Transmit Power Selection Mode
This feature permits selection of the transmitting power level to high or low. When operating on FRS only channels
To access the transmitter power selection function:
-From GMRS/FRS standby mode (shared channels
-Press the Up or Down button to toggle between the High and Low se- lections.
-Press the PTT button momentarily to confirm selection.
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