Kenwood NX-700 Service Manual page 54

Vhf digital transceiver
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NX-700/700H
Item
Panel test mode
5. Balance
1) Adj item: [BAL]
adjust *2
Adjust: [✳✳✳]
Deviation meter
LPF: 3kHz
HPF: OFF
2) Adj item: [L BAL]→
[L' BAL]→[C BAL]→
[H' BAL]→[H BAL]
Adjust: [✳✳✳]
PTT: ON
Press [ ] key to store
the adjustment value.
Sub LCD:
Tone frequency
[ ] key: Press while
transmitting to change
20Hz and 2kHz.
*2: Refer to the "Necessary Deviation adjustment item for each signaling and mode" table on page 57.
Balance adjustment is common with the adjustment of all signaling deviation.
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
1) Adj item: [Nv NDEV]
Narrow]
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.
54
ADJUSTMENT
Condition
PC test mode
equipment
1) Adj item: [Balance]
Deviation
Deviation meter
meter
LPF : 3kHz
Oscillo-
HPF : OFF
scope
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
PTT: Press
[Transmit] button.
Press [Apply All]
button to store the
adjustment value.
[2kHz Sine Wave
Check box]: Check
while transmitting
change to 2kHz.
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.
Measurement
Test-
Unit Terminal Unit
ANT
ANT
Adjustment
Specifi cations /
Parts
Method
[Panel
The Deviation of
2kHz Tone deviation
tuning
20Hz frequency is
is within ±1.0% of
mode]
fi xed. Change the
20Hz tone devia-
[ ],[ ]
2kHz adjustment
tion.
value to become
[PC test
the same deviation
[PC test mode]
mode]
of 20Hz within the
Press [Apply All]
[ ],[ ]
specifi ed range.
button to store the
adjustment value
after all adjustment
point was adjusted.
[Panel
3056Hz
±50Hz
tuning
mode]
[PC test mode]
[ ],[ ]
Press [Apply All]
button to store the
[PC test
adjustment value
mode]
after all adjustment
[ ],[ ]
point was adjusted.
1337Hz
±50Hz
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
Write the same
±50Hz
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
Remarks

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