Operation Manual

VX-4500/-4600 SerieS Operating Manual
7
BasIc operatIon of the transceIVer
Important! - Before turning on the radio the rst time, conrm that the power con-
nections have been made correctly and that a proper antenna is connected to the
antenna jack.
Switching Power ON/OFF

Press and hold in the
PWR
( )
button for 2 seconds to turn the radio on. The
display will become illuminated.

Press the
[

]
/
[

]
key to choose the desired operating channel. In the
VX-
4600
, a channel name will appear on the display.

In the
VX-4600
, if you want to select an operating channel from a different
group, press the
PF
(Programmable Function) key which is programmed to
the Group Up/Down feature to select the group you want before selecting the
operating channel. See page 8 for more information on the Programmable
Function keys.
Setting the Volume

Turn the
VOL
knob clockwise to increase the volume, and counterclockwise
to decrease it.
Transmitting

To transmit, monitor the channel and make sure it is clear.
THIS IS AN FCC REQUIREMENT!

Press the
PF
key which is programmed to the Monitor feature to listen for
channel activity.

When receiving a call, transmit only after the incoming call ends. The radio
cannot receive a call and transmit simultaneously.

Press the
PTT
switch.

If the channel is clear, the
TX/BUSY
indicator will glow red. The radio is now
transmitting. While holding in the
PTT
switch, speak across the face of the
microphone in a clear and normal voice. For best transmission, hold the mi-
crophone about 1-1/2 to 2 inches (4 ~ 5 cm) away from your mouth. Release
the
PTT
switch to receive.

If the Busy Channel Lockout feature has been programmed on a channel, the
radio will not transmit when a carrier is present. Instead, the radio will generate
a short beep three times and the
VX-4600
indicates “
CH BUSY
” on the display.
Release the
PTT
switch and wait for the channel to be clear of activity.

If CTCSS or Digital Coded Squelch (DCS) Lockout has been programmed on
a channel, the radio can transmit only when there is no carrier being received or
when the carrier being received includes the correct CTCSS tone or DCS code.