Kenwood TH-255A Marine Radio User Manual


 
59
Press
[ ] (1s)
.
The light remains ON until you press
[ ] (1s)
again.
lock FuncTion
The lock function disables most of the keys to prevent you from
accidentally activating a function.
1
Press
[F]
,
[MENU]
to turn the Lock function ON.
The “
” icon appears when the Lock function is ON.
The following keys cannot be locked:
[F]
,
[ ]
(POWER),
[PTT]
,
[ ]
,
[MON]
, Volume control and
microphone PF key.
2
Press
[F]
,
[MENU]
to unlock the keys.
Note:
You cannot perform the Microprocessor Reset {page 71} while
the Lock function is ON.
selecTor unlock
While the Lock function is ON, you sometimes may want to rotate
the
Selector
(or press
[UP]
/
[DOWN]
) to change the frequency. In
this case, turn the Selector unlock function ON.
1
Enter Menu mode and access Menu No. 18 (SEL).
2
Press
[MENU]
, then rotate the
Selector
(or press
[UP
]/
[DOWN]
)
to select “ON”.
3
Press
[MENU]
to store the setting.
4
Press any key other than
[MON]
,
[UP]
/
[DOWN]
or
[ ]
to exit
Menu mode.