Kenwood NXR-1800 Service Manual page 61

Item PC tuning mode
6. Low RF 1) Test Channel: Channel 1
Power
Down 2) Adj item:
Detection [Low RF Power Down
Detection]
3) Press [Transmit] button.
7. Ramp 1) Test Channel: Channel 1
Offset
2) Adj item: [Ramp Offset]
8. 1) Adj item: [Balance]
Balance
2) Adj item:
[L1], [L3], [L5], [C1], [C3], [C5],
[H2], [H4], [H6], [OL]
Deviation meter
LPF: 3kHz
HPF: OFF
3) Press [Transmit] button.
Measurement
Test- Termi
Unit Unit Parts
equipment nal
Power TX
meter ANT
Ammeter
Deviation TX
meter ANT
Oscilloscope
Adjustment
Method
PC Change the adjustment
ADJ value to become 0.3W
within the specified
range.
PC Write the Fixed value as
ADJ follows.
228(E), 228(E2)
PC The Deviation of 20Hz
ADJ tone frequency is fixed
approx. at 2.5kHz.
Change the adjustment
value of 2kHz tone to
become the same
deviation of 20Hz tone
(approx. 2.5kHz) within
the specified range.
While transmitting, click
the check box "2kHz Sine
Wave" to change the
tone between 20Hz and
2kHz.
(No.RA094<Rev.002>)1-61
Specifications/
Remarks
0.3W±0.1W
Press [Apply] button
to store the
adjustment value.
Note:
Power spec is the
factory adjustment
condition.
Within ±15Hz
difference to the
deviation of 20Hz
tone.
Press [Apply All]
button to store the
adjustment values
after all adjustment
points have been
adjusted.