Kenwood NEXEDGE NX-720, Руководство по обслуживанию

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NX-720
74
ADJUSTMENT
Item
Condition Measurement Adjustment
Specifi cations/
Remarks
Panel tuning mode PC test mode
Test-
equipment
Unit Terminal Unit Parts Method
4. Maximum
Deviation
(NXDN) *3
[Very
Narrow]
1) Adj item: [NDEV]
Adjust: [

]
PTT : ON
Press [
] key to
store the adjust-
ment value.
1) Adj item: [Maximum
Deviation (NXDN
Very Narrow)]
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 1311Hz and
1363Hz. 1311~1363Hz
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
5. Maximum
Deviation
(Analog) *3
[Narrow]
1) Adj item: [ADEV]
Adjust: [

.]
Deviation meter
LPF: 15kHz
HPF: OFF
PTT: ON
Press [
] key to
store the adjust-
ment value.
1) Adj item: [Maximum
Deviation (Analog
Narrow)]
Deviation meter
LPF: 15kHz
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 2050Hz and
2150Hz. 2050~2150Hz
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
[Wide] 1) Adj item: [ADEV]
Adjust: [

.

.

.]
PTT: ON
Press [
] key to
store the adjust-
ment value.
1) Adj item: [Maximum
Deviation (Analog
Wide)]
PTT: Press
[Transmit] button.
Press [Apply All]
button to store the
adjustment value.
Write Reference
value “513” for
each adjustment
point. Transmit at
each adjustment
point and check
that the Analog
deviation is be-
tween 4150Hz and
4250Hz. 4150~4250Hz
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
*3: Refer to the “Necessary Deviation adjustment item for each signaling and mode” table on page 80.
Regarding Maximum Deviation (Analog), it is common with the adjustment of all analog signalings.
6. QT
Deviation *4
[Narrow]
1) Adj item: [QT]
Adjust: [

.]
Deviation meter
LPF: 3kHz
HPF: OFF
PTT: ON
Press [
] key to
store the adjust-
ment value.
1) Adj item: [QT
Deviation (Analog
Narrow)]
Deviation meter
LPF: 3kHz
HPF: OFF
PTT: Press
[Transmit] button.
Press [Apply] but-
ton to store the
adjustment value.
Deviation
meter
Oscillo-
scope ANT
[Panel
tuning
mode]
[ ],
[ ]
[PC test
mode]
[ ],
[ ]
Write the value
513
(Reference value) 0.35kHz±0.05kHz