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KEY LOCK
You can lock the MENU, ▲, and ▼ keys to prevent
accidentally changing the operating mode and channel
settings. The PTT, CAL, and MON keys still function normally.
Press and hold the MENU key for 1 second to
lock or unlock the transceiver keys.
• The icon appears on the display when the
transceiver keys are locked. No icon appears
when they are unlocked.
LAMP
The lamp is used to illuminate the Liquid Crystal Display. You
can set the lamp to remain off, remain on, or turn on when
you press any key other than the PTT switch (auto). When set
to auto, the lamp remains on for 5 seconds after pressing a
key before turning off again.
To select the lamp setting:
1 Turn the transceiver power OFF.
2 Press and hold the MENU key while turning
the transceiver power ON (for 1 second).
3 Press the ▲ or ▼ key to select “
”.