®
Page 15
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KEYPAD LOCK
To avoid accidentally changing the radio setting, press the
LOCK
button for more than 3 seconds. The
KEY LOCK
icon will appear on
the display.
PTT
and
CALL
will still be active. Repeat the same
procedure to unlock the keypad.
EXTERNAL SPEAKER/MICROPHONE JACK
Your BR777 Series can be used with an optional external
speaker/microphone or headset, freeing your hands for other tasks. To
use an optional speaker / microphone or headset:
l
Insert the plug(s) into the
SPK/MIC
jacks
l
Place the earbud into your ear, and adjust the
mic into your desired position.
Model BR777
Содержание BR777
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