50 mhz band, Squelch threshold adjustment, Squelch tight adjustment – Yaesu VX-3R Сервис-мануал User Manual
Page 12: Nfm s-meter s-1 adjustment, Nfm s-meter full scale adjustment, Wfm s-meter s-1 adjustment, Wfm s-meter full scale adjustment, Alignment
12
50 MHz band
Press the [BAND] button to switch the alignment band to
50 MHz Band.
Squelch Threshold Adjustment
P
Connect the RF Signal Generator to the ANT jack, and
then set the output level to -4 dBμV at the 52.100 MHz
(with 1 kHz tone @ ±3.5 kHz deviation).
P
Rotate the DIAL knob one click clockwise to select the
alignment item "tHL".
P
Press the [V/M] key.
P
Press the [F/W] key twice, and then press the [V/M] key
again.
Squelch Tight Adjustment
P
Connect the RF Signal Generator to the ANT jack, and
then set the output level to +3 dBμV at the 52.100 MHz
(with 1 kHz tone @ ±3.5 kHz deviation).
P
Rotate the DIAL knob one click clockwise to select the
alignment item "tIg".
P
Press the [V/M] key.
P
Press the [F/W] key twice, and then press the [V/M] key
again.
NFM S-Meter S-1 Adjustment
P
Connect the RF Signal Generator to the ANT jack, and
then set the output level to 0 dBμV at the 52.100 MHz
(with 1 kHz tone @ ±3.5 kHz deviation).
P
Rotate the DIAL knob one click clockwise to select the
alignment item "S1".
P
Press the [V/M] key.
P
Press the [F/W] key twice, and then press the [V/M] key
again.
NFM S-Meter Full Scale Adjustment
P
Connect the RF Signal Generator to the ANT jack, and
then set the output level to +20 dBμV at the 52.100 MHz
(with 1 kHz tone @ ±3.5 kHz deviation).
P
Rotate the DIAL knob one click clockwise to select the
alignment item "S9".
P
Press the [V/M] key.
P
Press the [F/W] key twice, and then press the [V/M] key
again.
Alignment
WFM S-Meter S-1 Adjustment
P
Connect the RF Signal Generator to the ANT jack, and
then set the output level to +8 dBμV at the 52.100 MHz
(with 1 kHz tone @ ±20 kHz deviation).
P
Rotate the DIAL knob one click clockwise to select the
alignment item "S1".
P
Press the [V/M] key.
P
Press the [F/W] key twice, and then press the [V/M] key
again.
WFM S-Meter Full Scale Adjustment
P
Connect the RF Signal Generator to the ANT jack, and
then set the output level to +25 dBμV at the 52.100 MHz
(with 1 kHz tone @ ±20 kHz deviation).
P
Rotate the DIAL knob one click clockwise to select the
alignment item "S9".
P
Press the [V/M] key.
P
Press the [F/W] key twice, and then press the [V/M] key
again.