Item
Condition
Measurement
Adjustment
Specifications/
Remarks
Test-
equipment
Unit
Terminal
Parts
Unit
Method
PC test mode
Panel test mode
ADJUSTMENT
NX-800
51
Common Section
1. Setting
2. LCD contrast
3. Receive
Assist
Transmit
Assist
4. RTC
oscillation
frequency
adjust
Adjust the LCD
contrast by looking.
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
specified voltage.
Note:
Confirm the VCO
lock voltage
approximately 3
seconds after the
adjustment value is
changed.
[Panel tuning mode]
Press [
] key. After
automatic adjustment
adjusted value is
displayed on LCD.
Press [
] key to store
the adjustment value.
[PC test mode]
Press [Start] button of
“Auto Tuning”. Press
[Apply] button to store
the adjustment value
after the automatic
adjustment was
finished.
After replacing
the LCD align
contrast.
3.0V
±
0.1V
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all
adjustment point
was adjusted.
Adjustment of the
transceiver’s
internal clock.
[Panel
tuning
mode]
[
],[
]
[PC test
mode]
[ ],[ ]
[
]
1) Adj item:[CNTR]
Adjust:[***]
Press [
] key to store
the adjustment value.
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:[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:[RTC]
Adjust:[***]
1) Adj item:[LCD Contrast]
Press [Apply] button
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.
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.
1) Adj item:
[RTC(Real-time clock)]
1) DC voltage:13.6V
2) SSG standard modulation
[Wide] MOD:1kHz,DEV:3kHz
[Narrow] MOD: 1kHz,DEV: 1.5kHz
5. Sensitivity
check
1) CH-Sig : 1-1
SSG output
Wide:
–117dBm (0.32
µ
V)
(MOD: 1kHz/
±
3kHz)
Narrow:
–117dBm (0.32
µ
V)
(MOD: 1kHz,
Dev:
±
1.5kHz)
1) Test Channel
Channel : 1
Test Signaling
Mode : Analog
Signaling : 1
SSG output
Wide: –117dBm
(0.32
µ
V)
(MOD: 1kHz/
±
3kHz)
Narrow:
–117dBm (0.32
µ
V)
(MOD : 1kHz,
Dev:
±
1.5kHz)
SSG
AF VTVM
Oscilloscope
Distortion
meter
ANT
EXT SP
connector
Check
12dB SINAD or
more
Item
Condition
Measurement
Adjustment
Specifications/
Remarks
Test-
equipment
Unit
Terminal
Parts
Unit
Method
PC test mode
Panel tuning mode
