NX-720
72
ADJUSTMENT
Item
Condition
Measurement
Adjustment
Specifi cations/
Remarks
Panel tuning mode
PC test mode
Test-
equipment
Unit
Terminal
Unit
Parts
Method
2. High
Transmit
Power
1) Adj item: [HPWR]
Adjust: [
****
]
2) Adj item:
[H.PWR_]
[H.P.WR_]
[H.P.W.R_]
[H.P.W.R._]
[H.P.W.R._.]
PTT : ON
Press [
] key to
store the adjust-
ment value
1) TEST CH:
Low, Low’, Center,
High’, High (5 point)
2) Transmit
Press [Apply All]
button to store the
adjustment value.
Power
meter
Ammeter
ANT
[Panel
tuning
mode]
[
],
[
]
[PC test
mode]
[
],
[
]
25.0W ±1.0W
10.0A or less
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
Low
Transmit
power
1) Adj item: [LPWR]
Adjust: [
]
2) Adj item:
[L.PWR_]
[L.P.WR_]
[L.P.W.R_]
[L.P.W.R._]
[L.P.W.R._.]
PTT : ON
Press [
] key to
store the adjust-
ment value
1) TEST CH:
Low, Low’, Center,
High’, High (5 point)
2) Transmit
Press [Apply All]
button to store the
adjustment value.
5.0W
±0.2W
7.0A or less
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
3. Balance *2
1) Adj item: [BAL]
Adjust: [
]
Deviation meter
LPF: 3kHz
HPF: OFF
2) Adj item:
[B.AL_]
[B.A.L__]
[B.A.L.__]
[B.A.L._._]
[B.A.L._._.]
Adjust: [
***
]
PTT: ON
Press [
] key to
store the adjust-
ment value.
1) Adj item: [Balance]
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.
[2kHz Sine Wave
Check box]: Check
while transmitting
change to 2kHz.
Deviation
meter
Oscillo-
scope
ANT
[Panel
tuning
mode]
[
],
[
]
[PC test
mode]
[
],
[
]
The Deviation of
20Hz frequency is
fi xed. Change the
2kHz adjustment
value to become
the same deviation
of 20Hz within the
specifi ed range.
2kHz Tone deviation
is within ±1.0% of
20Hz tone deviation.
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
*2: Refer to the “Necessary Deviation adjustment item for each signaling and mode” table on page 80.
Balance adjustment is common with the adjustment of all signaling deviations.
4. Maximum
Deviation
(NXDN) *3
[Narrow]
1) Adj item: [NDEV]
Adjust: [
.]
Deviation meter
LPF: 3kHz
HPF: OFF
PTT: ON
Press [
] key to
store the adjust-
ment value.
1) Adj item: [Maximum
Deviation (NXDN
Narrow)]
Deviation meter
LPF: 3kHz
HPF: OFF
PTT: Press
[Transmit] button.
Press [Apply All]
button to store the
adjustment value.
Deviation
meter
Oscillo-
scope
ANT
[Panel
tuning
mode]
[
],
[
]
[PC test
mode]
[
],
[
]
Write Reference
value “513” for
each adjustment
point. Transmit at
each adjustment
point and check
that the Analog
deviation is be-
tween 2
99
5Hz and
3117Hz.
2
99
5~3117Hz
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
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