Kenwood NXR-1800 Service Manual page 63

Uhf repeater
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Item
PC tuning mode
10.
1) Adj item:
Maximum
[Maximum Deviation (DMR)]
Deviation
(DMR)
2) Adj item:
[L1], [L3], [L5], [C1], [C3], [C5],
[H2], [H4], [H6], [OL]
Deviation meter
LPF: 3kHz
HPF: OFF
11.
1) Adj item:
Maximum
[Maximum Deviation (NXDN
Deviation
Narrow)]
(NXDN
Narrow)
2) Adj item:
[L1], [L3], [L5], [C1], [C3], [C5],
[H2], [H4], [H6], [OL]
Deviation meter
LPF: 3kHz
HPF: OFF
Measurement
Test-
Termi
Unit
Unit Parts
equipment
nal
Deviation
TX
meter
ANT
Oscilloscope
Deviation
TX
meter
ANT
Oscilloscope
Adjustment
Method
PC
Write Reference value for
ADJ
each adjustment point.
Reference Value:
[Maximum Deviation
(DMR)]
[L1] = 508(E), 512(E2)
[L3] = 509(E), 511(E2)
[L5] = 508(E), 510(E2)
[C1] = 507(E), 510(E2)
[C3] = 505(E), 508(E2)
[C5] = 510(E), 514(E2)
[H2] = 509(E), 513(E2)
[H4] = 508(E), 512(E2)
[H6] = 506(E), 511(E2)
[OL] = 509(E), 514(E2)
Transmit at each
adjustment point and
check that the deviation
is within the specified
range.
PC
Write Reference value for
ADJ
each adjustment point.
Reference Value:
[Maximum Deviation
(NXDN Narrow)]
[L1] = 510(E), 514(E2)
[L3] = 510(E), 513(E2)
[L5] = 509(E), 512(E2)
[C1] = 508(E), 512(E2)
[C3] = 506(E), 510(E2)
[C5] = 512(E), 516(E2)
[H2] = 511(E), 515(E2)
[H4] = 510(E), 514(E2)
[H6] = 508(E), 512(E2)
[OL] = 510(E), 516(E2)
Transmit at each
adjustment point and
check that the deviation
is within the specified
range.
(No.RA094<Rev.002>)1-63
Specifications/
Remarks
[DMR]
±2611~±2887Hz
(±2749Hz±5%)
Press [Apply All]
button to store the
adjustment values
after all adjustment
points have been
adjusted.
[NXDN Narrow]
±2750~±3362Hz
(±3056Hz±10%)
Press [Apply All]
button to store the
adjustment values
after all adjustment
points have been
adjusted.

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