
VX-3R O
PERATING
M
ANUAL
2
C
ONTROL
& C
ONNECTIONS
ANTENNA
Jack
Connect the supplied rub-
ber flex antenna (or an-
other antenna presenting
a 50-Ohm impedance)
here.
MIC/SP
Jack
This four-conductor min-
iature jack provides con-
nection points for micro-
phone audio, earphone
audio, PTT, and ground.
DIAL
Knob
The main tuning Dial is used for set-
ting the operating frequency, and is
used for audio volume level, menu se-
lections, and other adjustments.
To rotate this Dial knob, pull the knob
to unlock the mechanical dial lock, and
then rotate the Dial knob.
MONI
Switch
Pressing this key dis-
ables the noise squelch-
ing action, allowing you to
hear very weak signals
near the background
noise level.
POWER
Switch
Press and hold this
switch in for one second
to toggle the transceiver’s
power on and off.
KEYPAD
These nine keys select
many of most important
operating features on the
VX-3R. The functions of
the keys are described in
detail on the pages to fol-
low.
PTT
Switch
Press this switch to trans-
mit, and release it to re-
ceive, after your trans-
mission is completed.
TX/BUSY
Indicator
This indicator glows
green when the squelch
opens, and turns red dur-
ing transmit. During
“Emergency” operation
(see page 74), this indi-
cator will glow (or flash)
white.
EAR
Jack
This 3-pin miniature jack
provides connection
points for stereo ear-
phones.
This 3-pin miniature jack
allows connection to ste-
reo earphones. When
using after-market stereo
earphones with this jack,
you may enjoy the FM
broadcast band in stereo.
EXT DC
Jack
This coaxial DC jack al-
lows connection to an
e x t e r n a l D C p o w e r
source (3.5 - 7.0V DC).
The center pin of this jack
is the Positive (+) connec-
tion.
MIC
The internal micro-
phone is located
here.
SPEAKER
The internal speaker
is located here.
Содержание VX-3R
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