NX-820
68
ADJUSTMENT
Item
Condition
Measurement
Adjustment
Specifi cations/
Remarks
Panel test mode
PC test mode
Test-
equipment
Unit
Terminal
Unit
Parts
Method
5. Sensitivity
check
1) CH-Sig: 1-1
SSG output
Wide:
–117dBm (0.32µV)
(MOD: 1kHz/±3kHz)
Narrow:
–117dBm (0.32µV)
(MOD: 1kHz/±1.5kHz)
1) Test Channel
Channel: 1
Test Signaling
Mode: Analog
Signaling: 1
SSG output
Wide:
–117dBm (0.32µV)
(MOD: 1kHz/±3kHz)
Narrow:
–117dBm (0.32µV)
(MOD:1kHz/±1.5kHz)
SSG
AF VM
Oscillo-
scope
Distortion
meter
4
Dum-
my load
ANT
Ext.SP
con-
nector
Check
12dB SINAD or
more
Common Section
Item
Condition
Measurement
Adjustment
Specifi cations/
Remarks
Panel tuning mode
PC test mode
Test-
equipment
Unit
Terminal
Unit
Parts
Method
1. Setting
1) DC voltage: 13.6V
2) SSG standard modulation
[Wide] MOD: 1kHz, DEV: 3kHz
[Narrow] MOD: 1kHz, DEV: 1.5kHz
2. Receive
Assist
This adjustment
can be performed
only PC test
mode.
1) Adj item:
[Receive Assist]
2) Adj item: [Low1],
[Low2], [Low3],
[Center1], [Center2],
[Center3], [High1],
[High2], [High3]
Press [Apply All]
button to store the
adjustment value.
[PC test
mode]
[
],
[
]
[PC test mode
]
[Automatic Adjust-
ment ]
Press [Tune Assist
Voltage] button.
Press [Apply All]
button to store the
adjustment value
after the automatic
adjustment has
fi nished.
[Manual Adjust-
ment]
[V] indicator on
the PC window
shows VCO lock
voltage. Change
the adjustment
value to get VCO
lock voltage within
the limit of the
specifi ed voltage.
Note:
Confi rm the VCO
lock voltage ap-
proximately 3
seconds after the
adjustment value
is changed.
2.5V±0.1V
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
Check!
The assist adjust-
ment value must be
between from 340 to
3550.
3.Transmit
Assist
This adjustment
can be performed
only PC test
mode.
1) Adj item:
[Transmit Assist]
2) Adj item: [Low1],
[Low2], [Low3],
[Center1], [Center2],
[Center3], [High1],
[High2], [Hight3]
PTT: Press
[Transmit] button.
Press [Apply All]
button to store the
adjustment value.
Summary of Contents for NEXEDGE NX-820
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