Yaesu FT-101EX User Manual

1. S-METER SENSITIVITY ADJUSTMENT
Place the transceiver in the receive mode and connect
a signal generator to the antenna terminal of the trans
ceiver,
Set
the
signal
generator
to
14200
KHz
with
an output of 50 uV,
Tune
the
transceiver
for
maximum
S-meter
reading.
The
S-meter
should
read
5-9
+25dB.
If
S-meter
adjustment
is
required,
adjust
VR2
on
PB-1183B8
to obtain
the
reading.
When the transceiver is tuned to 14200 KHz the
100
kHz
crystal
calibrator
output
will
be
approxt-
mately
50
V
or
8-9
+25dB
on
the
S-meter.
2. NOISE BLANKER THRESHOLD
The
operating
level
of
the
noise
blanker
is
determined
by
the
THRESHOLD
control
VR
1
on
PB-1292.
clockwise
rotation
‘of
the
control
increases
the
effect
Caunte
i
*
Pe
2
iweness
af
the
blanker,
however,
extreme
setting
of
this
control reduces the receiver sensitivity.
With
the
nose
blanker
in
the
“OFF”
position,
tune
in
a
swnal
on
any
band
that
reeisters
between
5-6,
Note
the
Semeter
change
when
the
noise
blanker
switch
is
placed
in
the
“ON”
position.
When
the
noise
blanker
level
ts
adjusted
properly,
the
meter
should
indicate
4
decrease
of
one
(1)
or
hall
Seunit.
="
|
Pa]
lf the ehange is. greater or less than indicated, adjust
VRI to achieve lhe proper setting
Extremely strong signals may cause distortion on the
ferived signal due te mixing at the switehing diode.
Oise
NOISE
This effect can be reduced by decreasing the
Blanker threshold control or by switching the
Blanker-to." OFP ,
3. VOX ADJUSTMENT
VOS
controls
arte
located
on
VOX
VR2
VRS
Antitri
(sain
PRISTSA
VR
These are VR
(rain,
Delay,
Relay
Sensitivity
and
Set
the
operation
switch
to
the
VOX
position
and
turn
the
AF
GAIN
and
MIC
GAIN
controls
fully
counter
Slonwy
RELAY
control
(|
VWRO)
then
clockwise rotate the
clockwise
until
the
relay
activates,
return
the
con
tral counterclackwise until relay releases.
This
release
point
is
the
proper
setting
for
the
RELAY
earefulls
sensitivity centro
Sel
the
center
af
ats
travel,
MIC GAIN
Speak inte the mi¢rophene normally, adjust VOX contral
VRI to just activate YOX relay,
contra) bo
Tune
in
a
signal
and
adjust
the
AF
GAIN
control
to
a
comfortable
listening
level.
Set
the
ANTITRIP
control
VR5
te
the
minimum
point
that
will
prevent
the
speaker
VOR,
frown LT apapaitet. tile
ctype
—J ai
-
BOTTOM VIEW

Yaesu FT-101EX Specifications

General

Brand	Yaesu
Model	FT-101EX
Category	Transceiver
Language	English