Yaesu FT-51R, Technical Supplement

Page: 19 / 83

L ow-Scale S-1 Adjustment(UHF)
•
-
ilil
'-13
lf
'"Jr
LO
0 Adjust the RF signal generator level for -5dBµ,
press and rotate the
DIAL
for the next setting.
Squelch Preset Threshold(UHF)
rna
JUIL
•·J:ic
r1r1
l J-1.lf lf
T f�6F
0
Adjust the
RF
signal generator level for -lldBµ,
press� and rotate the
DIAL
for the next setting.
Squelch Preset Tight (UHF)
A
i if if
•
'-13
.:1.u u
(
-
.
-
,
.
-
.
- -
,
' '
... ..
:lU.f L
• •
J J
0
Adjust the
RF
signal generator level for -5dBµ,
then press and rotate the
DIAL
for the next
setting.
FT-51R Technical Suoolement
Tx Deviation (UHF) for A3, B3 & C3 Versions only
.A
-
if
if if
'-I b
LI.LI
lf
'"' n,,
I
f Lf .J..f
c.J
l.I
- '
0 While tuned to 460.000
MHz
, adjust the AF gener­
ator for 25 m V
rms
output @ 1 kHz to the MIC jack.
0
Hold �
M!�; 11 "PEicond, then key the transmitter
and press @/00 to obtain ±4.2
�
4.5 kHz indi­
cated on the deviation meter (±3.7
�
4.0 kHz for A3
version). Press� and rotate the
DIAL
knob for
the next setting.
Tx Deviation Adjustment UHF
•
ilil
lf
'"' ,-, ,, t
L'"J
lfLf.J..f L
· .
.
0
Return to the UHF band center, then adjust the AF
generator attenuator level for 25 mVrms@ l kHz to
the MIC jack. Key the transmitter and press
CA) I 00
to obtain
±4
.
2
�
4.5 kHz indicated on the
deviation meter (±3.7
�
4.0 kHz for Al, A2
&
A3
versions).
This completes the internal alignment routine, to save
all settings and exit, press@, the frequency display
will return to normal.