Controls & Connections - Yaesu VX-3R Operating Manual

C & C
ONTROL
ANTENNA Jack
Connect the supplied rub-
ber flex antenna (or an-
other antenna presenting
a 50-Ohm impedance)
here.
PTT Switch
Press this switch to trans-
mit, and release it to re-
ceive, after your trans-
mission is completed.
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
P r e s s a n d h o l d t h i s
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.
2
ONNECTIONS
MIC/SP Jack
This four-conductor min-
iature jack provides con-
nection points for micro-
phone audio, earphone
audio, PTT, and ground.
MIC
The internal micro-
p h o n e i s l o c a t e d
here.
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.
TX/BUSY Indicator
This indicator glows
green when the squelch
opens, and turns red dur-
i n g t r a n s m i t . D u r i n g
"Emergency" operation
(see page 74), this indi-
cator will glow (or flash)
white.
This 3-pin miniature jack
p r o v i d e s c o n n e c t i o n
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.
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.
SPEAKER
The internal speaker
is located here.
VX-3R O
PERATING
EAR Jack
EXT DC Jack
M
ANUAL