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1-6
Operating Manual Reprint
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
initiate an emergency call (requires ANI board).
When an emergency call is made, not tone is emit-
ted 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 receive
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.
GRP UP/DWN
Press the assigned
PF
button of the “
GRP UP
” or
“
GRP DWN
” to select a different group of chan-
nels.
A
DVANCED
O
PERATION
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.
SQL (Squelch Level)
You can manually adjust the squelch level using
this function:
1. Press the assigned
PF
button of the “
SQL
”. A
tone sounds and SQL appears on the display
with the current squelch level.
2. Rotate the
CHANNEL
selector knob to select
the desired level.
3. Press the this key. A tone sounds and the dis-
play returns to the normal channel.
Summary of Contents for VX-5500U
Page 13: ...1 12 Operating Manual Reprint Note ...
Page 17: ...3 2 Block Diagram ...
Page 18: ...3 3 Block Diagram ...
Page 19: ...3 4 Interconnection Diagram ...
Page 27: ...5 6 Alignment Note ...
Page 51: ...6A 24 MAIN Unit Note ...
Page 52: ...6B 1 DISPLAY Unit Circuit Diagram ...
Page 53: ...6B 2 DISPLAY Unit Note ...
Page 61: ...6B 10 DISPLAY Unit Note ...
Page 63: ...6C 2 KEY Unit Note ...
Page 65: ...6C 4 KEY Unit Note ...