International Radio User Manual

11
Operation
Operation
Turning the Unit ON/OFF
To Turn ON;
a. Rotate the POWER/VOL button clockwise until the LCD
screen turns ON and displays the current channel.
To switch OFF;
b. Rotate the POWER/VOL button counter clockwise until
the LCD screen turns blank.
Note: Every time you rotate the Power/Vol button to turn ON, the
volume will also open. The volume level will increase or
decrease by rotating the Power/Vol button.
Changing Channels
The UHF2100 has 40 available channels, to communicate with
other radio’s, it must have your radio tuned to the same channel.
a. Press the MENU button once, the current channel
number flashes on the LCD Screen.
b. Press the UP or DOWN button to select the desired
channel. The channel changes from 1 to 40, or vice versa.
c. Press the PTT button to confirm the channel setting.
Important Notes
Channels 5 and 35 (paired for Duplex repeaters) are reserved as
emergency channels and should be used only in an emergency.
Channel 11 is a calling channel generally used to call others and
channel 40 is the customary road vehicle channel.
Once contact is established on the calling channel, both stations
should move to another unused "SIMPLEX" channel to allow others
to use the calling channel. Channels 22 and 23 are for Telemetry
and Telecommand use, voice communications are not allowed on
these channels by law.
Channels marked Duplex are reserved for repeater use in some
areas.