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Super lock
You can lock the MENU, CAL, , and/or keys, and disable
the Setting Mode. PTT and MON still function normally.
To select the super lock setting:
1 With the transceiver power OFF, press and hold the PTT
switch and the CAL key while turning the transceiver power
ON (for 1 second).
2 Press the or key to select “SL- P” (MENU, CAL, ,
and keys locked), “SL- C” (MENU and CAL keys
locked), or “SL-oF” (super lock off).
3 Press the MENU, PTT, MON, or CAL key to exit Super
Lock Setting Mode.
• The icon appears on the display when the transceiver keys
are locked. No icon appears when they are unlocked.
diSplAy BAcklight
You can set the display backlight to remain off, remain on, or
turn on when you press any key other than the PTT switch
(auto). When set to auto, the backlight remains on for 5
seconds after pressing a key, before turning off again.
To select the backlight setting:
1 With the transceiver power OFF, press and hold the
MENU (for approximately 1 second) key while turning the
transceiver power ON.