Kenwood NX-800 Service Manual page 54

Uhf digital transceiver
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NX-800
Item
Panel tuning mode
6. Maximum
1) Adj item:[Nn NDEV]
Deviation
Adjust:[****]
(NXDN)
Deviation meter
adjust *3
LPF : 3kHz
HPF : OFF
[Narrow]
2) Adj item:
[NnL NDEV]→
[NnL' NDEV]→
[NnC NDEV]→
[NnH' NDEV]→
[NnH NDEV]
Adjust:[****]
PTT : ON
Press [ ] key to store
the adjustment value.
[Very Narrow]
1) Adj item:[Nv NDEV]
Adjust:[****]
2) Adj item:
[NvL NDEV]→
[NvL' NDEV]→
[NvC NDEV]→
[NvH' NDEV]→
[NvH NDEV]
Adjust:[****]
PTT : ON
Press [ ] key to store
the adjustment value.
7. Maximum
1) Adj item:[An ADEV]
Deviation
Adjust:[****]
(Analog)
Deviation meter
adjust *3
LPF : 15kHz
HPF : OFF
[Narrow]
2) Adj item:
[AnL ADEV]→
[AnL' ADEV]→
[AnC ADEV]→
[AnH' ADEV]→
[AnH ADEV]
Adjust:[****]
PTT : ON
Press [ ] key to store
the adjustment value.
[Wide]
1) Adj item:[Aw ADEV]
Adjust:[****]
2) Adj item:
[AwL ADEV]→
[AwL' ADEV]→
[AwC ADEV]→
[AwH' ADEV]→
[AwH ADEV]
Adjust:[****]
PTT : ON
Press [ ] key to store
the adjustment value.
*3: Refer to the "Mode, Signaling, Necessary adjustment and order" table on page 57.
Analog deviation adjustment (Narrow/Wide) is common with the adjustment of all analog signaling.
54
ADJUSTMENT
Condition
Test-
PC test mode
equipment
1) Adj item:[ Maximum
Deviation
Deviation(NXDN
meter
Narrow)]
Oscilloscope
Deviation meter
LPF : 3kHz
HPF : OFF
2) Adj item:[Low]
[Low']
[Center]
[High']
[High]
PTT : Press [Transmit]
button.
Press [Apply All] button to
store the adjustment value.
1) Adj item:[ Maximum
Deviation(NXDN
Very Narrow)]
2) Adj item:[Low]
[Low']
[Center]
[High']
[High]
PTT : Press [Transmit]
button.
Press [Apply All] button to
store the adjustment value.
1) Adj item:[ Maximum
Deviation(Analog
Narrow)]
Deviation meter
LPF : 15kHz
HPF : OFF
2) Adj item:[Low]
[Low']
[Center]
[High']
[High]
PTT : Press [Transmit]
button.
Press [Apply All] button to
store the adjustment value.
1) Adj item:[ Maximum
Deviation(Analog
Wide)]
2) Adj item:[Low]
[Low']
[Center]
[High']
[High]
PTT : Press [Transmit]
button.
Press [Apply All] button to
store the adjustment value.
Measurement
Unit
Terminal
Unit
ANT
[Panel
tuning
mode]
[
[PC test
mode]
[ ],[ ]
Adjustment
Specifications/
Parts
Method
± 50Hz
3056Hz
[PC test mode]
Press [Apply All]
],[ ]
button to store the
adjustment value
after all
adjustment point
was adjusted.
± 50Hz
1337Hz
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all
adjustment point
was adjusted.
Write the same
2050~2150Hz
adjustment value of
"NXDN Deviation
[PC test mode]
[Narrow]" for each
Press [Apply All]
adjustment point.
button to store the
Transmit at each
adjustment value
adjustment point and
after all
check that the Analog
adjustment point
deviation is between
was adjusted.
2050Hz and 2150Hz.
Deviation meter
LPF: 15kHz
HPF: OFF
[Panel tuning mode]
PTT: ON
[PC test mode]
PTT: Press
[Transmit] button
Write the same
4150~4250Hz
adjustment value of
"NXDN Deviation
[PC test mode]
[Narrow]" for each
Press [Apply All]
adjustment point.
button to store the
Transmit at each
adjustment value
adjustment point and
after all
check that the Analog
adjustment point
deviation is between
was adjusted.
4150Hz and 4250Hz.
Deviation meter
LPF: 15kHz
HPF: OFF
[Panel tuning mode]
PTT: ON
[PC test mode]
PTT: Press
[Transmit] button
Remarks

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