VX-8GR/GE O
PERATING
M
ANUAL
2
C
ONTROLS
& C
ONNECTIONS
ANTENNA
Jack
Connect the sup-
plied rubber flex an-
tenna (or another
antenna presenting
a 50-Ohm imped-
ance) here.
VOL
Key
R o t a t e t h e
D I A L
knob while pressing
and holding this key
to adjust the audio
volume level.
DIAL
Knob
The main tuning Dial
is used to set the op-
erating frequency,
and is also used for
audio volume level,
menu selections,
and other adjust-
ments.
MIC/SP
Jack
This four conductor
miniature jack allows
connection of an op-
t i o n a l
M H - 3 4
B 4 B
S p e a k e r M i c r o -
phone,
MH-37
A 4 B
E a r p i e c e / M i c r o -
phone, or
VC-25
VOX Headset.
EXT DC
Jack
This coaxial DC jack
allows connection to
a n e x t e r n a l D C
power source (7.4-
12V DC). The center
pin of this jack is the
Positive (+) line.
MIC
The internal micro-
phone is located
here.
LED
Light
This white LED will
glow (or flash) during
“Emergency Chan-
nel” operation. It can
also be useful as a
flash light in a dark
environment via the
Set Mode Item 45
LED LIGHT.
PTT
Switch
(“Push To Talk”)
Press this switch in-
ward to transmit, and
release it (to receive)
after your transmis-
sion is completed.
MONI/T.CALL
Key
USA version:
Pressing this key
disables the noise
squelching action,
allowing you to hear
very weak signals
near the background
noise level.
European version:
Pressing this key
activates the T.CALL
(1750 Hz) for re-
peater access.
p
(
PWR
)
Switch
Press and hold this
switch for 2 seconds
t o t o g g l e t h e
transceiver’s power
“on” and “off”.
Press this switch
b r i e f l y w h i l e t h e
transceiver is turned
“on” to toggle the key
lockout feature “on”
or “off”.
DATA
Jack
This three conductor
2.5-mm jack pro-
vides connection
points for an Exter-
nal computer.
KEYPAD
The 18 front panel
key buttons select
many of the most im-
portant operating
features.
The functions of the
keys are described
in detail on pages 4
and 5.
F/W
Key
Pressing this key
activates the “Alter-
nate” key functions
of the keypad.
SPEAKER
The internal speaker
is located here.
GPS RECEIVER
The internal GPS re-
ceiver is located
hear.
TX/BUSY
Lamps
These indicators
glow green when a
signal is being re-
ceived and red when
transmitting.