19
Operation
Important
• Speech transmissions are not allowed on channel 22 and 23
(Receive only)
• CTCSS and Call ring tone calling should be disabled on channel
5 and 35.
• If Call ring tone calling is provided, it is only allowed to operate
for a maximum of 3 seconds and it can only be possible to
operate once in any 60 second period.
Auxiliary Features
Key Lock
The Key Lock feature allows the user to disable the
UP
,
DOWN
and
MENU
buttons so that the UHF2100 settings
could not be changed accidentally.
a. To activate the key Lock feature, press and hold the
MENU
button until key lock “
” icon appears on the
LCD Screen.
b. To deactivate the key Lock feature, press and hold the
MENU
button until key lock “
” icon disappears on the
LCD Screen.
Note: The
PTT
, and
CALL
buttons will remain functional even if the
Key Lock feature is activated.
LCD Screen Back Light
Every time the Power/Vol button is activated (except PTT
and CALL button), the LCD Screen back light will illuminate
for 5 seconds.
Microphone/Earphone/Charge Jack
Your radio is equipped with an auxiliary microphone,
earphone, and charge jack located at the opposite side of
the PTT button.
