VXA-300 P
ILOT
III
O
PERATING
M
ANUAL
19
A
DVANCED
O
PERATION
LOCK Function
The lock function prevents accidental changes to the fre-
quency setting and the keypad controls.
To activate the lock fea-
ture, press the [
F
] key
momentarily, then press
the [
(
)] key.
In the LOCK mode, the
d i s p l a y w i l l s h o w
“
- LOCK -
” when you
rotate the
DIAL
selector knob, press the
VOLUME
knob, or touch a key on the keypad.
To turn the lock feature off, press [
F
]
[
(
)]
again.
You can still access the 121.500 MHz Emergency Fre-
q u e n c y w h e n t h e L O C K f u n c t i o n i s o n .
Simply press the [
121.5
] key momentarily (this key
never locks). Pressing this key also unlocks the radio.
You may choose the lockout configuration according to
your operating preferences. See page 51 for details.
Beep On/Off
The
VXA-300
’s key/button beeper provides convenient
audible feedback whenever a button is pressed. Each key
and button has a different beep pitch, and each function
has a unique beep combination.
When you are scanning, the beeper will be heard each time
the scanner halts on a busy channel. This may be distract-
ing in some environments; if you want to turn the beeper
off (or back on again):
Press the [
F
] key, then press the
VOLUME
knob to
activate the Menu (“SET”) mode.
Rotate the
DIAL
selector knob to select Menu Item
05 “
BEEP
.”
Press the
VOLUME
knob to enable adjustment of this
Menu item.
Rotate the
DIAL
selector knob to select the desired
“beeper.” The selections available are
on
,
DTM
, and
oFF
.
on
:
Sounds a beep corresponding to a musical note.
DTM
: Sounds a beep corresponding to a DTMF tone.
oFF
: Disables the key beeper.
When you have made your selection, press the
VOL-
UME
knob to save the new setting, and then press the
PTT
key to exit to normal operation.
