Channel Selection - Audiovox GMRS1882CH User Manual

CTCSS tone frequency of at least two parties are the same.
- The CTCSS small segment display will appear next to the main
frequency channel on the display if the CTCSS tone frequency
function is enabled.

Channel Selection

In order to communicate with other GMRS units, both transmitting and
receiving party must be on the same frequency.The GMRS1882CH has 22
channels (frequencies) indicated by the large digits on the LCD display
panel. Channels 1 through 7 are the shared GMRS/FRS channels.
Channels 8-14 are FRS only channels, while channels 15-22 are assigned
GMRS only channels. If an FRS only channel (8-14) has been selected,
HI or LO the 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
indicator will be displayed. Communication with Audiovox FRS and
compatible units is possible on the shared and FRS only channels. Before
transmitting 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 (12) once
or until the channel number flashes.
- Press the Up Button (10) briefly to move to the next higher main
channel number.
- Press the Down Button (11) 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-Fre-
quencies.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
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