Kenwood NX-3720, Service Manual

Page: 103 / 210

(No.RA054<Rev.001>)1-103
5.
Ramp
Offset 1)Adj item:
[RAMP]
Adjust:[****]
PTT : ON
Press [ ]
button to store
the adjustment
value.
1) Adj item:
[Ramp Offset]
Press
[Autotune(TX
starts)] button.
Press [Apply]
button to store the
adjustment value.
Power
meter
Ammeter Panel ANT Panel [Panel
tuning
mode]
[

],
[

]
[PC
test
mode]
[+], [-]
[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
50.
[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 "60".
6.
Balance 1) Adj item:
[An BAL]
Adjust:[****]
Deviation meter
LPF: 3kHz
HPF: OFF
2) Adj item:
[L1] →
[L3]
→
[L5] →
[C1]
→
[C3] →
[C5]
→
[H2] →
[H4]
→
[H6]
Adjust:[****]
PTT : ON
Press [ ]
button to store
the adjustment
value.
1) Adj item:
[Balance]
Deviation meter
LPF: 3kHz
HPF: OFF
2) Adj item:
[Low1]
→
[Low3] →
[Low5]
→
[Center1] →
[Center3]
→
[Center5] →
[High2]
→
[High4] →
[High6]
Press [Transmit]
button.
Press [Apply]
button to store the
adjustment value.
Deviation
meter
Oscilloscope Panel ANT Panel [Panel
tuning
mode]
[

],
[

]
[PC
test
mode]
[+], [-]
The Deviation of 20Hz
frequency is fixed.
Change the 2kHz
adjustment value to
become the same
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.
2kHz Tone
deviation is
within ± 1.0%
of 20Hz tone
deviation.
Item Condition Measurement Adjustment Specifications
/Remarks
Panel tuning
mode
PC test mode Test-
equipment
Unit Terminal Unit Parts Method