Kenwood NX-300 Service Manual page 49

Uhf digital transceiver
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Item
Panel tuning mode
Maximum
1) Adj item: [Nv NDEV]
Deviation
Adjust: [✳✳✳✳]
(NXDN)
2) Adj item:
adjust *3
[NvL NDEV]→
[NvL' NDEV]→
[Very
[NvC NDEV]→
Narrow]
[NvH' NDEV]→
[NvH NDEV]
Adjust: [✳✳✳✳]
PTT: ON
Press [ ] key to store
the adjustment value.
5. 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: [✳✳✳✳]
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: [✳✳✳✳]
Press [ ] key to store
the adjustment value.
*3: Refer to the "Necessary Deviation adjustment item for each signaling and mode" table on pages 52 and 53.
Regarding Maximum Deviation (Analog), it is common with the adjustment of all analog signalings.
6. QT
1) Adj item: [An QT]
Deviation
Adjust: [✳✳✳✳]
adjust *4
Deviation meter
LPF: 3kHz
[Narrow]
HPF: OFF
PTT: ON
Press [ ] key to store
the adjustment value.
ADJUSTMENT
Condition
PC test mode
equipment
1) Adj item: [Maximum
Deviation
Deviation (NXDN
meter
Very Narrow)]
Oscilloscope
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]
Press [Apply All]
button to store the
adjustment value.
1) Adj item: [Maximum
Deviation (Analog
Wide)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
Press [Apply All]
button to store the
adjustment value.
1) Adj item: [QT Devia-
Deviation
tion (Analog Narrow)]
meter
Deviation meter
Oscilloscope
LPF: 3kHz
HPF: OFF
PTT: Press
[Transmit] button.
Press [Apply]
button to store the
adjustment value.
Measurement
Test-
Unit Terminal Unit
Panel
ANT
Panel
Panel
ANT
Panel
NX-300
Adjustment
Specifi cations /
Parts
Method
[Panel
1337Hz
1311~1363Hz
tuning
mode]
[PC test mode]
[
],
Press [Apply All]
[
]
button to store the
adjustment value
[PC test
after all adjustment
mode]
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 adjustment
check that the Analog
point was adjusted.
deviation is between
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 adjustment
check that the Analog
point was adjusted.
deviation is between
4150Hz and 4250Hz.
Deviation meter
LPF: 15kHz
HPF: OFF
[Panel tuning mode]
PTT: ON
[PC test mode]
PTT: Press
[Transmit] button
[Panel
Write the value as
0.35kHz±0.05kHz
tuning
followings.
mode]
513 (Reference
[
],
value)
[
]
[PC test
mode]
[ ],[ ]
Remarks
49

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