VX-4100 S
ERIES
O
PERATING
M
ANUAL
8
Description of Operating Functions
M
ONITOR
(
MONI
)
Press the assigned programmable key to cancel CTCSS- and DCS-controlled squelch;
the
BUSY/TX
indicator will blink green. Press and hold in this button for 1.5 sec-
onds to hear background noise (unmute the audio); the
BUSY/TX
indicator will
glow green.
C
HANNEL
U
P
/D
OWN
Press the assigned programmable key to select a different channel.
C
HANNEL
S
CAN
(
SCAN
)
The Scanning feature is used to monitor multiple channels programmed into the trans-
ceiver. While scanning, the transceiver will check each channel for the presence of a
signal, and will stop on a channel if a signal is present.
To activate scanning:
Press the assigned programmable key to activate scanning.
The scanner will search the programmed channels, looking for active ones; it
will pause each time it finds a channel on which someone is speaking.
Press the assigned programmable key again to disable scanning. Operation will
revert to the programmed revert channel.
Note
: Your dealer may have programmed your radio to stay on one of the follow-
ing channels if you press the
PTT
switch during the scanning pause:
Current channel (“Talk Back”)
“Last Busy” channel
“Priority” channel
“Home” channel
“Scan Start” channel
A
DVANCED
O
PERATION
