NXR-810
70
ADJUSTMENT
Item
Condition
Measurement
Adjustment
Specifi cations / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
5. Sensitivity 2
Adjust
FPU Test mode
1) Adjust Item: [Sensitivity 2]
2) Adjust Item: [Low], [Low’],
[Center], [High’], [High]
PC
ADJ
Write the value as
followings (typical
value)
[Low] = 25
[Low’] = 70
[Center] = 103
[High’] = 145
[High] = 213
Press [Apply All] button to
store the adjustment value.
Variable-Capacitor Tune volt-
age is adjusted.
(Output voltage is adjustment
of BPF)
6. AGC Target
Level
Adjustment
FPU Test mode
1) Adjust Item: [AGC Target
Level Adjustment]
Write the value as
followings (typical
value)
[AGC Target Level
Adjustment] = –18
Press [Apply] button to store
the adjustment value.
7. AGC
Adjustment
[Analog
Nar-
row]
FPU Test mode
1) Adjust Item: [AGC Adjust-
ment (Analog Narrow)]
2) Adjust Item: [Low], [Low’],
[Center], [High’], [High]
Write the value as
followings (typical
value)
[Low] = 256
[Low’] = 256
[Center] = 256
[High’] = 256
[High] = 256
Press [Apply All] button to
store the adjustment value.
8. AGC
Adjustment
[Analog
Wide]
FPU Test mode
1) Adjust Item: [AGC Adjust-
ment (Analog Wide)]
2) Adjust Item: [Low], [Low’],
[Center], [High’], [High]
9. AGC
Adjustment
[NXDN
Very
Narrow]
FPU Test mode
1) Adjust Item: [AGC Adjust-
ment (NXDN Very Narrow)]
2) Adjust Item: [Low], [Low’],
[Center], [High’], [High]
10. Frequency
Adjust
FPU Test mode
1) Adjust Item: [Frequency]
Connect the SSG to the RX
ANT.
CH: 1 (Analog Narrow)
SSG Output: –47dBm (1mV)
(CW (without modulation))
Caution:
Perform the frequency adjust-
ment under the following condi-
tion.
• Temperature range of
+23°C to +27°C (+73.4°F to
+80.6°F).
(The temperature is displayed
on the frequency adjustment
screen of the KPG-129D(C).)
• Use an accuracy of 0.001ppm
for the SSG.
(Use a standard oscillator if
necessary.)
SSG
Rear
RX ANT
PC
ADJ
Press [Start] button of “Auto
Tuning”.
Press [Apply] button to store
the adjustment value after the
automatic adjustment was
fi nished.
