the HI or LO indicator will not be displayed on the LCD panel; otherwise, for channels 1-7 (GMRS/FRS) and 15-22 (GMRS only), the HI or LO indi- cator will be displayed. Communication with Audiovox FRS and compat- ible units is possible on the shared and FRS only channels. Before trans- mitting on the selected channel, press the Monitor (M) Button (2) to check the activity on that channel. If there is activity on the selected channel, change to another channel that is clear.
To change the channel:
-From GMRS/FRS standby mode, press the MODE button (6) once or until the channel number flashes.
-Press the Up Button (15) briefly to move to the next higher main channel number.
-Press the Down Button (13) briefly to move to the next lower main channel number.
-Press the PTT button momentarily to confirm selection.
CTCSS Mode (Sub-Channel) Selection
The Coded Tone Controlled Squelch System (CTCSS) provides 38 Sub- Frequencies. This feature allows you to utilize the coded squelch tones (01–38) within a main channel, and enables you to communicate with 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 Sub-channels for each main channel. A different subcode may be selected for each of the 22 channels.
To change the CTCSS Sub-channel:
-From GMRS/FRS standby mode, press the MODE Button twice; a flashing oF or sub-channel number is displayed. If oF is displayed, press the Up or Down button to enable the CTCSS mode.
-Then press the Up or Down button to select the desired sub-chan- nel for use (01-38).
-Press the PTT button momentarily to confirm selection.
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