21
LOCK Function
The lock function prevents accidental changes to the
frequency setting and the keypad controls.
To activate the lock
feature, press the
[
F
]
key followed by the
[
ENT
( )]
key. The
“ ” icon will appear
on the display
To turn the lock feature
off, repeat the above step
(press the
[
F
]
key fol-
lowed by the
[
ENT
( )]
key); the “ ” icon will
disappear from the display.
You can still access the 121.500 MHz Emergency
Frequency when the LOCK function is on.
Simply press the
[
121.5
]
key momentarily (this key
never locks). Pressing this key also unlocks the ra-
dio.
You may choose the lockout conguration according to
your operating preferences. See page 45 for details.
DIAL and
[
]
/
[
]
key Swap
Conguration
In the factory default, the
DIAL
selector knob selects the
operating frequency and the memory channel, and the
[
]
/
[
]
key adjust the audio volume level. However,
you may exchange the function of the
DIAL
selector
knob and
[
]
/
[
]
key; as a result, adjust the audio
volume level by the
DIAL
selector knob, and selects the
operating frequency and the memory channel by the
[
]
/
[
]
key.
Press the
[
F
]
key followed
by the
[
5
(
DIAL/
)]
key
to toggle the
DIAL
and
[
]
/
[
]
key congurations.
advanced operatIon