VX-920ATEX 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 trans-
ceiver without an antenna con-
nected.
Do not connect/re-
move the Antenna in a
potentially explosive atmo-
spheres.
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-920ATEX
.
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.
Operating Temperature Range
Operation
: –10 °C to +55 °C
Battery Charging
: +5 °C to +35 °C
