Super Lock
You can lock the MENU, CAL*, 
, and/or 
keys, and disable the Setting Mode. PTT and MON still function normally.
*The CAL key will not be locked only if it has been set up as Selcall {page 25}.
To select the super lock setting:
1With the transceiver power OFF, press and hold the PTT switch and the CAL key while turning the transceiver power ON (for 1 second).
2Press the 
or 
key to select “ 
” (MENU, CAL, 
,
and 
keys locked), “ 
” (MENU and CAL keys
locked), or “ 
” (super lock off).
3Press 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:
1With the transceiver power OFF, press and hold the MENU (for approximately 1 second) key while turning the transceiver power ON.
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