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Operating Modes and Features
GRMS/FRS Operation:
- Press and hold the Power On/Off button for 2 seconds to turn on
power.
- Press the MODE button so the Channel number flashes.
- Select the desired channel with the Up (10) and Down (11) Buttons.
When receiving a call, the
icon appears to indicate an incoming
call.
- Press and hold the PTT button (4) to transmit, then speak into the
microphone clearly and slowly. The Transmit icon (
) appears
on the display while the button is pressed.
- Release PTT Button (4) to receive.
- Communication can only be accomplished when the channel and
CTCSS tone frequency of at least two parties are the same.
- The CTCSS subcode (01-38) will be displayed on the LCD panel if the
CTCSS tone frequency function is enabled (not oF).
Channel Selection
In order to communicate with other GMRS/FRS units, both the transmit-
ting and receiving party must be on the same frequency.
The GMRS100 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 chan-
nels 15-22 are assigned GMRS only channels. If an FRS only channel (8-
14) has been selected, the HI or LO icon will not be displayed on the LCD
panel; otherwise, for channels 1-7 (GMRS/FRS) and 15-22 (GMRS only)
the HI or LO icon will be displayed. Communication with Audiovox GMRS/
FRS and compatible units is possible on these 22 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.