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Press the pre-programmed high/ low power selection key to switch the
transmit power level between high/ low.
Backlight
Contains the following options:
•
Backlight time
-- The screen displays normally open, 5S, 10S, 15S
options, press the [MENU] key to select normally open, the screen
backlight will remain on and will not turn off, or if you select 5S, 10S, 15S,
the screen will have nothing to do with the user after the corresponding
time Turn off the screen backlight under the premise of operation.
•
Backlight level
-- There are 1, 2, and 3 backlight brightness levels to
choose from, 1 is the darkest and 3 is the brightest. Users can set
according to their own needs.
You can turn on or off the screen backlight of the radio according to your
needs. This setting also affects the menu keys and keyboard backlight.
Squelch
You can adjust the squelch level of the radio to
filter useless calls with low signal strength or
channels with higher background noise.
The higher number, the more suppress.
Keypad Lock
You can lock the keyboard of the radio to
prevent accidental key input. The methods
include manual keyboard lock and automatic
keyboard lock. The automatic keyboard lock
includes three different time options of 5S, 10S,
and 15S.
When selecting manual lock, you need to press
and hold the SK1 key to lock the keyboard.
When you select 5S, 10S, or 15S, the screen displays the corresponding
time, and then when the user does not operate the keyboard within the
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