Kenwood NX-300 Service Manual page 94

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NX-300
Item
Panel tuning mode
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 adjust-
ment 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 adjust-
ment value.
*3: Refer to the "Necessary Deviation adjustment item for each signaling and mode" table on page 102.
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 adjust-
ment value.
[Wide]
1) Adj item: [Aw QT]
Adjust: [✳✳✳✳]
PTT: ON
Press [ ] key to
store the adjust-
ment value.
94
ADJUSTMENT
Condition
PC test mode
equipment
1) Adj item: [Maximum
Deviation
Deviation (Analog
meter
Narrow)]
Oscilloscope
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.
1) Adj item: [QT Devia-
tion (Analog Wide)]
PTT: Press
[Transmit] button.
Press [Apply]
button to store the
adjustment value.
Measurement
Test-
Unit Terminal Unit
Panel
ANT
Panel
Panel
ANT
Panel
Adjustment
Specifi cations /
Parts
Method
[Panel
Write the same
2050~2150Hz
tuning
adjustment value of
mode]
"NXDN Deviation
[PC test mode]
[
],
[Narrow]" for each
Press [Apply All]
[
]
adjustment point.
button to store the
Transmit at each
adjustment value
[PC test
adjustment point and
after all adjustment
mode]
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]
[ ],[ ]
0.75kHz±0.05kHz
Remarks

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