Yaesu FT-101E User Manual

SSB OPERATION
After completion of tuning, set MODE switch to LSB
or USB. Set the METER switch to ALC position. Set
the ° MOX-PTT-VOX™ switch to the PTT position and
advance the MIC GAIN control until the meter kicks
down
to
midscale
of
green
colored
portion
when
speaking
normally into the microphone.
Set the “MOX-PTT-VOX” switch to VOX position.
For VOX operation, adjust VOX GAIN potentiometer
under the top cover until voice actuates the trans-
ceiver. Set the ANTITRIP potentiometer to the mini-
mum point to prevent the speaker output from tripping
the VOX. Do not use more VOX gain or ANTITRIP
gain than necessary. Adjust the DELAY potentiometer
under the top cover for suitable release time.
NOTE: When meter is set to IC, voice modulation
peaks will indicate 150-200 mA. Actual peak
current, however, IS approximately 2 times
the indicated value.
CAUTION
CARE
must
be
taken
to
avoid
an
excessive
drive
to
prevent
spurious
radiation.
Maximum
key
down
current
should
be
kept
within
330
mA
for
the
bands
under
15
meter
and
280
mA
for 10 meter band.
VOICE
OPERATION
WITH
RF
PROCESSOR
The
FT-101E
Speech
Processor,
when
properly
adjusted,
is
designed
to
improve
the
intelligibility
threshold
at
the
receiving
end
with
RF
clipping.
This
highly
clipped
IF
signal
is
filtered
to
remove
RE
harmonics
and
out
of
band
intermodulation
products.
The
distortion
produced
by
RF
envelope
clipping
and
filtering
is
less
objectionable
than
that
caused
by
an
equivalent
amount
of
audio
clipping.
It
should
be
noted
that
the
RF
Speech
Processor
does not increase maximum power output but
clipps maximum peak to increase the output of
low
level
signal
as
illustrated
in
Fig.
2,
and
the
improvement
of
an
RF
Speech
Processed
Signal
is
most
noticeable
when
the
SSB
signal
is
weak
at
a
distant
receiver.
With the PROCESS switch OFF, set the METER
switch to ALC position. Normally speaking into
the microphone, set the MIC GAIN control to the
level where the meter indication stays in green
portion of the meter scale. Set the PROCESS
switch ON and adjust the LEVEL (processor
output level) control to the position where the
ALC indication stays in the green portion.
Optimum setting of the MIC GAIN and LEVEL
controls may need observation of the transmitted
signal by the scope.
Vw
Worn/
Ne"
Fig. | Fig.2
Fig. 1 RF Processor OFF Fig. 2 RF Processor ON
CW OPERATION
Upon completion final tuning, insert key plug in jack
marked
“KEY”
on
rear
apron
of
the
transceiver.
Power
output
from
the
transmitter
is
determined
by
the
“CARRIER” control arm position. The operator may
select
any
power
output
desired
by
simply
rotating
the
“CARRIER”
control
within
the
limits
of
its
range
from
zero
to
ten.
The transceiver may be operated manually or break-in
by setting the “MOX-PTT-VOX" switch to either MOX
(manual) or VOX (break-in) for the desired mode of
operation.
NOTE: Insertion of the key plug automatically dis-
connects the bias supply to the PA tubes,
therefore. with the key plug inserted Final
Amplifier bias current will not be indicated
when meter is in the IC position.
AM OPERATION
AM operation of the transceiver is accomplished by
setting the MODE switch to the AM _ position and
inserting the proper amount of “CARRIER” with the
“CARRIER” control.
After completion basic transmitter tune-up, place the
MODE switch in the AM position and rotate * CARRIER ”
control arm until meter reads 15 (150 mA) in the IC
position. While speaking into the microphone normally,
increase: MIC GAIN until the meter indicates very
shght movement with voice peaks.
Care must be taken in adjusting MIC GAIN control
to assure that the “CARRIER” control arm is not
rotated causing an increase in “CARRIER” level. Do:
not exceed 15 (150 mA) meter indication during AM
operation or destruction of the Final Amplifier tubes
may result.
CAUTION
On the 160 meter band, maximum plate current
should be kept within 140mA to avoid spurious
radiation when it is operated on the frequen-
cies between 1820 KHz and 1900 KHz.

Yaesu FT-101E Specifications

General

Brand	Yaesu
Model	FT-101E
Category	Transceiver
Language	English