Kenwood NX-411 Service Manual page 48

900mhz digital transceiver
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NX-411
Transmitter Section
Item
Panel tuning mode
1. High
1) Adj item: [HIPWR]
Transmit
Adjust: [
Power
2) Adj item:
[AnL HIPWR] →
(Batt: 7.5V)
[AnH HIPWR] →
[AnL HIPWR]
(TA) →
[AnH HIPWR] (TA)
Adjust: [
PTT: ON
Press [ ] key to
store the adjust-
ment value.
2. Low
1) Adj item: [LOPWR]
Transmit
Adjust: [
Power
2) Adj item:
[AnL LOPWR] →
(Batt: 7.5V)
[AnH LOPWR] →
[AnL LOPWR]
(TA) →
[AnH LOPWR] (TA)
Adjust: [
PTT: ON
Press [ ] key to
store the adjust-
ment value.
3. Balance *2
1) Adj item: [BAL]
Adjust: [
Deviation meter
LPF: 3kHz
HPF: OFF
2) Adj item:
[AnL BAL] →
[AnH BAL] →
[AnL BAL] (TA) →
[AnH BAL] (TA)
Adjust: [
PTT: ON
Press [ ] key to
store the adjust-
ment value.
Sub LCD:
Tone frequency
[Side1] 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 53.
Balance adjustment is common with the adjustment of all signaling deviations.
48
ADJUSTMENT
Condition
PC test mode
equipment
1) Adj item: [High
Power
]
Transmit Power]
meter
2) Adj item: [Low],
Ammeter
[High], [Low (TA)],
[High (TA)]
PTT: Press
[Transmit] button.
Press [Apply All]
]
button to store the
adjustment value.
1) Adj item: [Low
]
Transmit Power]
2) Adj item: [Low],
[High], [Low (TA)],
[High (TA)]
PTT: Press
[Transmit] button.
Press [Apply All]
]
button to store the
adjustment value.
1) Adj item: [Balance]
Deviation
]
Deviation meter
meter
LPF: 3kHz
Oscillo-
HPF: OFF
scope
2) Adj item: [Low],
[High], [Low (TA)],
[High (TA)]
PTT: Press
[Transmit] button.
Press [Apply All]
]
button to store the
adjustment value.
[2kHz Sine Wave
Check box]: Check
while transmitting
change to 2kHz.
Measurement
Test-
Unit Terminal
Unit
Panel ANT
Panel [Panel
Adjustment
Specifi cations /
Parts
Method
2.5W
2.0A or less
tuning
mode]
[PC test mode]
[
],
Press [Apply All]
[
]
button to store the
adjustment value
[PC test
after all adjust-
mode]
ment points have
[ ],[ ]
been adjusted.
1.0W
±0.1W
1.0A or less
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjust-
ment points have
been adjusted.
The Deviation of
2kHz Tone de-
20Hz frequency is
viation is within
fi xed. Change the
±1.0% of 20Hz
2kHz adjustment
tone deviation.
value to become
the same deviation
[PC test mode]
of 20Hz within the
Press [Apply All]
specifi ed range.
button to store the
adjustment value
Sub LCD:
after all adjust-
Tone frequency
ment points have
[Side1] key: Press
been adjusted.
while transmitting
to change 20Hz
and 2kHz.
Remarks

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