Kenwood NX-3720HG Service Manual page 73

Item Condition
Panel tuning
mode
4. 1)Adj item:
Ramp [RAMP]
Offset Adjust:[****]
PTT : ON
Press [ ]
button to store
the adjustment
value.
5. 1) Adj item:
Balance [An BAL]
Adjust:[****]
Deviation meter
LPF: 3kHz
HPF: OFF
2) Adj item:
[L1]→
[L3]→
[C2]→
[H1]→
[H3]
Adjust:[****]
PTT : ON
Press [ ]
button to store
the adjustment
value.
Measurement
PC test mode Test-
equipment
1) Adj item: Power
[Ramp Offset] meter
Press Ammeter
[Autotune(TX
starts)] button.
Press [Apply]
button to store the
adjustment value.
1) Adj item: Deviation
[Balance] meter
Deviation meter Oscilloscope
LPF: 3kHz
HPF: OFF
2) Adj item:
[Low1]→
[Low3]→
[Center2]→
[High1]→
[High3]
Press [Transmit]
button.
Press [Apply]
button to store the
adjustment value.
Unit Terminal Unit Parts
Panel ANT Panel [Panel
tuning
mode]
[],
[]
[PC
test
mode]
[+], [-]
Panel ANT Panel [Panel
tuning
mode]
[],
[]
[PC
test
mode]
[+], [-]
Adjustment Specifications
Method
[PC test mode]
[Automatic
Adjustment]
1) Press [Autotune(TX
starts)] button.
2) Press [Apply] button
to store the
adjustment value
after the automatic
adjustment has
finished.
3) Check Ramp Offset
Monitor Value Over
60.
[Manual Adjustment]
1) Set the adjustment
value to "1".
2) Press [Transmit]
button and increase
the adjustment value
slowly while
monitoring the offset
monitor value.
3) Set the adjustment
value when the
offset monitor value
exceed "75".
The Deviation of 20Hz 2kHz Tone
frequency is fixed. deviation is
Change the 2kHz within ± 1.0%
adjustment value to of 20Hz tone
become the same deviation.
deviation of 20Hz
within the specified
range.
[Panel tuning mode]
PTT:ON
While PTT:ON, press
the [] button to
change the 20Hz/
2kHz.
[PC test mode]
PTT: Press [Transmit]
button.
While PTT:ON, click
the check box "2kHz
Sine Wave" to change
the 20Hz/2kHz.
(No.RA054<Rev.001>)1-73
/Remarks