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15
Operation
Setting the CTCSS sub-channel
Each channel has 38 sub-channels to let you set up group of users
within the same channel. If you have set the sub-channel, you
can only communicate with other radio users tuned to the same
channel and sub-channel.
To turn the sub-channel function off
, simply set the sub-
channel to 0 (zero).
a. Press the
MENU
button 3 times, the current
CTCSS
sub-
channel number flashes on the LCD screen.
b. Press the
+
or
–
button to select one of the 38 CTCSS
sub-channels.
c. Press the
PTT
button to confirm the
CTCSS
sub-channel
setting.
SETTING THE DCS ADVANCED DIGITAL CODE.
Each channel also has 83 digital codes to let you set a group of
users for more secured private communication.
a. Press the
MENU
button 4 times.
DCS
code is blinking on
the LCD screen.
b. Press the
+
or
–
button to select the desired
DCS
code.
c. Press the
PTT
button to confirm the
DCS
channel setting.
Transmitting and Receiving
The UHF2500
transmission is SIMPLEX “one way-at-
a-time.” While you are speaking, you can not receive a
transmission.
The UHF2500
is a class license device. Always identify
yourself when transmitting.
IMPORTANT: Before transmitting on a UHF channel listen to ensure
it is not already in use.