Yaesu FT-51R Technical Supplement page 18

VHF Alignment
S-Meter Full-Scale Adjust(VHF)
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D If you haven't done so already, perform the power­
on key combination previously described then
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press @0 � so that the right display blanks.
Next hold @0 for 112
beginning of each selection.
D Inject a +20dBµ RF
1-kHz) to the antenna input, press @0 to save the
(Ji)
setting turns off), then rotate the
the nextsetting.
L ow-Scale S-1 Adjustment(VHF)
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ill.LILI
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DIAL
D Adjust the generator level to -5dBµ, press @0 and
rotate the for the next setting.
Squelch Preset T hreshold(VHF)
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.
rn1
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D Adjust the generator level for a -lldBµ signal,
press @0 and rotate the
Squelch Preset Tight (VHF)
A i if if
Cf.LILI
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D Adjust the generator level for a -5dBµ signal, then
press @0 and rotate the
second (U blinks),
at the
signal (±3.SkHz deviation @
DIAL
knob for
'
25
DIAL
for the next setting.
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• ••
'.l. _IJ
DIAL
for the next setting.
Tx Deviation (VHF) For A3, B3
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llU.JJ
While tuned to 160.000 MHz
D
ator level for 25 mVrms ®1 kHz to the
Hold @0 for 112 second, then key the tx and press
D
@ I 00
to obtain ±4.2 - 4.5 kHz on the deviation
DIAL
meter (±3.7 - 4.0 kHz for A3 version). Press @0
and rotate the knob for the next setting.
Tx Deviation (VHF)
A i if if
Cf.Lill
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llUJ.. 1
Tune to 146.000 MHz and adjust the AF generator
D
for 25 mVrms output@ 1 k !iZ
the transmitter and press @/00 to obtam ±4.2
- 4.5 kHz indicated on the deviation meter (±3.7 -
DIAL
4.0 kHz for Al, A2 &
rotate the knob for the next setting.
UHF Alignment
S-Meter Full-Scale Adjust(UHF)
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D Press @0 � so that the
Remember to hold @0 for112 second (U blinks),
the beginning of each selection.
Inject a +20dBµ
D RF
1-kHz), press @0 to save the entry (U stops blink­
DIAL
ing), then rotate the
C3 Versions only.
&
adjust the gener­
, AF
MIC jack.
t
L
L:J c0
toJ, h � jac k. Key
MIC
.
.
A3 versions). Press @0 and
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ilil
display blanks.
left
signal (±3.SkHz deviation @
knob for the next setting.
at