21
Operation
Auxiliary Features
Key Lock
The Key Lock feature allows the user to disable the UP,
DOWN and MENU buttons so that the UHF2180 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.
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