(No.RA033<Rev.001>)1-49
6. Open
Squelch
Adjust
[Analog
Narrow]
FPU Test mode
1) Adjust Item: [Open Squelch
(Analog Narrow)]
Connect the SSG to the RX
ANT.
SSG setting
Frequency: [Low], [Low’], [Cen-
ter], [High’], [High]
Output: 12dB SINAD level -1dB
MOD: 1.0kHz
DEV: ±1.5kHz
SSG
Audio ana-
lyzer
Oscillo-
scope
Rear RX ANT
PC
ADJ
Write the fixed value"43"
2) SSG output: OFF
Check
The squelch shall be closed.
7. Open
Squelch
Adjust
[NXDN
Very Nar-
row]
FPU Test mode
1) Adjust Item: [Open Squelch
(NXDN Very Narrow)]
Connect the SSG to the RX
ANT.
SSG setting
Frequency: [Low], [Low’], [Cen-
ter], [High’], [High]
Output: 12dB SINAD level of
Analog Narrow -6dB
MOD: OFF
PC
ADJ
Press [Apply] button to store
the adjustment value.
8. Tight
Squelch
Adjust
[Analog
Wide]
FPU Test mode
1) Adjust Item: [Tight Squelch
(Analog Wide)]
Connect the SSG to the RX
ANT.
SSG setting
Frequency: [Low], [Low’], [Cen-
ter], [High’], [High]
Output: 12dB SINAD level +8dB
MOD: 1.0kHz
DEV: ±3.0kHz
PC
ADJ
Press [Apply] button to store
the adjustment value.
Note:
Write the fixed value of
“200” when the adjust-
ment value is “199” or
less.
2) SSG output: OFF
Check
The squelch shall be closed.
9. Tight
Squelch
Adjust
[Analog
Narrow]
FPU Test mode
1) Adjust Item [Tight Squelch
(Analog Narrow)]
Connect the SSG to the RX
ANT.
SSG setting
Frequency: [Low], [Low’], [Cen-
ter], [High’], [High]
Output: 12dB SINAD level +8dB
MOD: 1.0kHz
DEV: ±1.5kHz
PC
ADJ
Write the fixed value “190”
2) SSG output: OFF
Check
The squelch shall be closed.
Item
Condition
Measurement
Adjustment
Specifications / Remarks
Test-
equipment
Unit
Terminal Unit
Parts
Method
Summary of Contents for NXR-5700
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