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NX-800/800H
51
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,
Dev: ±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,
Dev : ±1.5kHz)
SSG
AF VTVM
Oscilloscope
Distortion
meter
ANT
EXT SP
connec-
tor
Check 12dB SINAD or
more
Common Section
Item
Condition Measurement Adjustment
Specifi cations /
Remarks
Panel test 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. LCD
contrast
1) Adj item: [CNTR]
Adjust: [
✳✳✳
]
Press [ ] key to store
the adjustment value.
1) Adj item:
[LCD Contrast]
Press [Apply]
button to store the
adjustment value.
[Panel
tuning
mode]
[ ],[ ]
[PC test
mode]
[ ],[ ]
Adjust the LCD
contrast by looking.
After replacing the
LCD align contrast.
3. Receive
Assist
1) Adj item: [RAST]
Adjust: [
✳✳✳
]
2) Adj item:
[L RAST]
→
[L’ RAST]
→
[C RAST]
→
[H’ RAST]
→
[H RAST]
Adjust: [
✳✳✳
]
Press [ ] key to store
the adjustment value.
1) Adj item:
[Receive Assist]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
Press [Apply All]
button to store the
adjustment value.
The sub LCD display
and [V] indicator
on the PC window
shows VCO lock
voltage. Change the
adjustment value
to get VCO lock
voltage within the
limit of the speci-
fi ed voltage.
Note:
Confi rm the VCO
lock voltage approxi-
mately 3 seconds
after the adjustment
value is changed.
3.0V±0.1V
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
Transmit
Assist
1) Adj item: [TAST]
Adjust: [
✳✳✳
]
2) Adj item:
[L TAST]
→
[L’ TAST]
→
[C TAST]
→
[H’ TAST]
→
[H TAST]
Adjust: [
✳✳✳
]
PTT : ON
Press [ ] key to store
the adjustment value.
1) Adj item:
[Transmit Assist]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
PTT: Press
[Transmit] button.
Press [Apply All]
button to store the
adjustment value.
4. RTC
oscillation
frequency
adjust
1) Adj item: [RTC]
Adjust: [
✳✳✳
]
1) Adj item: [RTC
(Real-time clock)]
[
]
[Panel tuning mode]
Press [
] key. After
automatic adjust-
ment adjusted value
is displayed on LCD.
Press [
] key to
store the adjust-
ment value.
[PC test mode]
Press [Start] button
of “Auto Tuning”.
Press [Apply] button
to store the adjust-
ment value after the
automatic adjust-
ment was fi nished.
Adjustment of the
transceiver’s inter-
nal clock.