VX-820ATEX S
ERIES
O
PERATING
M
ANUAL
10
O
PERATION
Preliminary Steps
Install a charged battery pack onto the transceiver,
as described previously.
Screw the supplied antenna
onto the Antenna jack.
Never attempt to operate this
transceiver without an an-
tenna connected.
Do not connect/re-
move the Antenna in
a potentially explosive at-
mospheres.
If you have a Speaker/Microphone, we recom-
mend that it not be connected until you are famil-
iar with the basic operation of the
VX-820ATEX
.
Operation Quick Start
Turn the top panel’s
VOL/PWR
knob clock-
wise to turn the radio on.
Turn the top panel’s
CH
selector knob to choose
the desired operating
channel. On the 16-key
and 4-key versions, a
channel name will appear
on the LCD.
If you want to select the operating channel from a
different Memory Channel Group, press the Pro-
grammable key (assigned to the Memory Group
Up or Down function) to select the Memory Chan-
nel Group you want before selecting the operat-
ing channel. A Group name will appear on the
LCD whenever the Programmable key is pressed.
Note
: Some models are programmed so that the
operating channels are selected by the Program-
mable key and the memory channel group is se-
lected by the
CH
selector knob. For further de-
tails, contact your Vertex Standard dealer.
