21 22
Backlight Function
With radio on, press and release the [F],5, or
bbutton to light the display for 5 seconds.
LOCK Function
1) Press and hold the [F] button to lock the [F],
5, and b buttons, preventing any
accidental change of channels and tones
and also prohibiting the scan function. The
“Key” icon will be shown in the display.
2) Press and hold the [F] button again to
unlock the [F],5, and bbuttons.
CALL Function
Press and release the ENTER button to send a
call signal out to alert another radio user you
are preparing to “call” them (transmit).
Channel Selection & CTCSS Sub-Code Selection
1) Channel Selection (1~22)
a. Press and release the [F] button once.
The channel number will begin to blink.
b. Select a channel by using the 5, or b
button while the channel number is
blinking.
c. Once your desired channel is displayed,
press and release the ENTER or the P-T-
T button to save your channel selection.
2) CTCSS Sub-Code Selection (01~38)
a. Press and release the [F] button 2 times.
The sub-code number will begin to blink.
b. Select a sub-code tone by using the 5, or
b button while the tone code number is
blinking.(If ‘00’ is selected you can receive
a signal regardless of the other radio
user’s sub-code setting.)
b. Once your desired sub-code is displayed,
press and release the ENTER or the P-T-
T button to save your sub-code selection.
“PRIV” appears when a CTCSS sub-code
is selected.
3) Channel Frequency Designation
You may view the channel and CTCSS sub-
code by either channel / sub-code number
or by frequency.
Press the [F] and ENTER buttons at the
same time to change the display from a
channel number to the MHz frequency
designation of that channel (example:
“462.6125” instead of “3”).