another 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 FRS units, they must be switched to the same channel and CTCSS subcode. To communicate with other 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 on the GMRS channels. (FRS only channels
NOTE: You will find that for the majority of your needs, the
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