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Auxiliary features
Key lock
The key lock feature allows to disable the
UP
,
DOWN
and
MENU
keys so that
settings can not be modified accidentally.
1. To activate the key lock feature, press and hold the
MENU
key until
“
” appears on the LCD screen.
2. To deactivate the key lock feature, press and hold the
MENU
key until
“
” disappears on the LCD screen.
Note
The
PTT
and
POWER
keys remains functional even if the key lock feature
is activated.
LCD Screen backlight
Every time a key is pressed (except
PTT
and
CALL
), the LCD screen backlight will
illuminate for 5 seconds.
Microphone/Earphone/Charge Jack
The TwinTop 400/400-L is equipped with an auxiliary microphone, earphone, and
charge jack located at the opposite side of the
PTT
key.
Содержание TwinTop 400
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