NXR-810
72
ADJUSTMENT
Receiver Section
Item
Condition
Measurement
Adjustment
Specifi cations / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
1. RD Level
Adjust
[Analog
Wide]
FPU Test mode
1) Adjust Item: [RD Level (Ana-
log Wide)]
Connect the SSG to the RX
ANT.
SSG
setting
Frequency: Desired Frequency
Output: –53dBm (501µV)
MOD: 1.0kHz
DEV: ±3.0kHz
SSG
AF VTVM
Rear
RX ANT
CONTROL
I/O Jack
RD (Pin
No.10)
PC
ADJ
80mV
±5mV
Press [Apply] button to store
the adjustment value.
2. RD Level
Adjust
[Analog
Nar-
row]
FPU Test mode
1) Adjust Item: [RD Level (Ana-
log Narrow)]
Connect the SSG to the RX
ANT.
SSG
setting
Frequency: Desired Frequency
Output: –53dBm (501µV)
MOD: 1.0kHz
DEV: ±1.5kHz
3. RA Level
Adjust
[Analog
Wide]
FPU Test mode
1) Adjust Item: [RA Level (Ana-
log Wide)]
Connect the SSG to the RX
ANT.
SSG
setting
Frequency: Desired Frequency
Output: –53dBm (501µV)
MOD: 1.0kHz
DEV: ±3.0kHz
SSG
AF VTVM
Rear
RX ANT
CONTROL
I/O Jack
RA (Pin
No.11)
PC
ADJ
400mV
±20mV
Press [Apply] button to store
the adjustment value.
4. RA Level
Adjust
[Analog
Nr-
row]
FPU Test mode
1) Adjust Item: [RA Level (Ana-
log Narrow)]
Connect the SSG to the RX
ANT.
SSG
setting
Frequency: Desired Frequency
Output: –53dBm (501µV)
MOD: 1.0kHz
DEV: ±1.5kHz
5. Open
Squelch
Adjust
[Analog
Wide]
FPU Test mode
1) Adjust Item: [Open Squelch
(Analog Wide)]
Connect the SSG to the RX
ANT.
SSG
setting
Frequency: [Low], [Low’],
[Center], [High’], [High]
Output
: 12dB SINAD level –1dB
MOD: 1.0kHz
DEV: ±3.0kHz
SSG
Audio
analyzer
Oscilloscope
Rear
RX ANT
PC
ADJ
Press [Apply] button to store
the adjustment value.
Note:
Write the fi xed value of “33”
when the adjustment value is
27 or less.
2) SSG output: OFF
Check
The squelch shall be closed.
