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NXR-800H
128
ADJUSTMENT
Item
Condition
Measurement
Adjustment
Specifi cations / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
35. RA Level
1) Wide/Narrow: Analog Wide
Connect the SSG to the RX
ANT.
SSG setting
Frequency: Desired frequency
Output: –53dBm (501µV)
MOD: 1kHz
DEV: ±3.0kHz
SSG
AF VTVM
Rear
RX ANT
CONTROL
I/O jack
RA (pin 11)
PC
ADJ
400mV
±20mV
2) Wide/Narrow: Analog Narrow
SSG setting
DEV: ±1.5kHz
36. Receiver
Sensitivity
Check
1) Wide/Narrow: Analog Wide
Connect the SSG to the RX
ANT.
SSG setting
Frequency: Desired frequency
MOD: 1kHz
DEV: ±3.0kHz
AF: 0.45V/4
Ω
SSG
Distortion
meter
Rear
RX ANT
TEST/
SPKR
jack SPO
(pin 12)
4
Ω
load
Check
–115dBm (0.4µV) or less
3) Wide/Narrow: Analog Narrow
SSG setting
DEV: ±1.5kHz
37. Tight
Squelch
1) Wide/Narrow: Analog Wide
Connect the SSG to the RX ANT.
SSG setting
Frequency: Desired frequency
Output: 12dB SINAD level +7dB
MOD: 1kHz
DEV: ±3.0kHz
SSG
Oscilloscope
Audio
analyzer
Rear
RX ANT
TEST/
SPKR
jack SPO
(pin 12)
4
Ω
load
PC
ADJ
Adjust it to the level
to open the squelch.
2) SSG output: OFF
Check
The squelch shall be closed.
3) Wide/Narrow: Analog Narrow
SSG setting
DEV: ±1.5kHz
PC
ADJ
Adjust it to the level
to open the squelch.
4) SSG output: OFF
Check
The squelch shall be closed.
38. Open
Squelch
1) Wide/Narrow: Analog Wide
Connect the SSG to the RX ANT.
SSG setting
Frequency: Desired frequency
Output: 12dB SINAD level –2dB
MOD: 1kHz
DEV: ±3.0kHz
SSG
Oscilloscope
Audio
analyzer
Rear
RX ANT
TEST/
SPKR
jack SPO
(pin 12)
4
Ω
load
PC
ADJ
Adjust it to the level
to open the squelch.
2) SSG output: OFF
Check
The squelch shall be closed.
3) Wide/Narrow: Analog Narrow
SSG setting
DEV: ±1.5kHz
PC
ADJ
Adjust it to the level
to open the squelch.
4) SSG output: OFF
Check
The squelch shall be closed.
Содержание NXR-800H
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