1-6
VX-4000 UHF Service Manual
Operating Manual Reprint
Alpha Numeric
Press the assigned
PF
button
of the “
Alpha Nu-
meric
” to switch the display between the Group/
Channel number, and the Group/Channel name
(alphanumeric). A tone will sound each time you
switch between numerical and alphanumerical
display.
DIM
Press the assigned
PF
button
of the “
DIM
” to ad-
just the brightness of the display and key
backright.
EMG (Emergency)
Press the assigned
PF
button
of the “
EMG
” to ini-
tiate an emergency call (requires ANI board).
When an emergency call is made, not tone is
emitted and the display does not change. To end
the emergency call, turn the transceiver power
OFF.
HA (Horn Alert)
Press the assigned
PF
button
of the “
HA
” to turn
the Horn Alert function ON or OFF. If you re-
ceive a call from the base station with 2Tone or
DTMF signaling, horn alert will activate.
When you turn Horn Alert ON, a tone will sound
and “
” appears on the display..
Home (Home Channel)
Press the assigned
PF
button
of the “
Home
” to
select the pre-programmed Home Channel. Press
it again to return to the previous channel. If used
while scanning, pressing this key a second time
will change to the revert channel.
IC (Intercom)
This feature requires dual head configuration.
Press the assigned
PF
button
of the “
IC
” to turn
the intercom feature ON or OFF. While ON, you
can press the PTT switch to communicate to an-
other control head operator without transmitting
over the air. When you press this key, a tone
sounds and “ ” appears on the display. The in-
tercom can be used even while scanning and re-
ceiving a call.
Low Power
Press the assigned
PF
button
of the “
Low Power
”
to set the radio's transmitter to the “Low Power”
mode.
Press this key again to return to “High Power”
operation when in difficult terrain.
A
DVANCED
O
PERATION
GRP UP/DWN
Press the assigned
PF
button
of the “
GRP UP
” or
“
GRP DWN
” to select a different group of chan-
nels.
CH UP/DWN
Press the assigned
PF
button
of the “
CH UP
” or
“
CH DWN
” to select a different channel within
the current group.
AUX A/B/C
Press the assigned
PF
button
of the “
AUX A
”,
“
AUX B
”, or “
AUX C
” to turn the output port (re-
spectively).
PA (Public Address)
Press the assigned
PF
button
of the “
PA
” to use
the transceiver as a PA amplifier. When you en-
able this function, a tone sounds and “
” ap-
pears on the display. The public address can be
used even while scanning and receiving a call.
MONI (Monitor)
Press the assigned
PF
button
of the “
MONI
” mo-
mentarily to cancel CTCSS and DCS signaling
squelch; the “
MON
” icon appears on the display.
Press and hold this key for 1/2 seconds to hear
background noise (unmute the audio); the
MON
icon blinks on the display.
RCL (Channel Recall)
During scan, you can press the assigned
PF
but-
ton
of the “
RCL
” to select the last called channel.
ST (Selectable Tone)
Press the assigned
PF
button
of the “
Selectable
Tone
”, then rotate the CHANNEL selector knob
to select a 2-Tone.
SP
Press the assigned
PF
button
of the “
SP
” to switch
“Front panel”, “Front panel & Body” and “Body”
speaker. When “Body” is selected, a tone sounds
and the “
” icon appears on the display. You
can use this function while scanning and receiv-
ing a call. However, all audio will be emitted from
the PA speaker.
