Kenwood NX-300 Service Manual page 47

Item
Panel tuning mode
5. Receive 1) Adj item: [RAST]
Assist Adjust: [✳✳✳✳]
2) Adj item: [L RAST]→
[L' RAST]→[C RAST]→
[H' RAST]→[H RAST]
Adjust: [✳✳✳✳]
Press [ ] key to store
the adjustment value.
Transmit 1) Adj item: [TAST]
Assist Adjust: [✳✳✳✳]
2) Adj item: [L TAST]→
[L' TAST]→[C TAST]→
[H' TAST]→[H TAST]
Adjust: [✳✳✳✳]
PTT : ON (RF power
is not output.)
Press [ ] key to store
the adjustment value.
6. RTC 1) Adj item: [RTC]
oscillation Adjust: [✳✳✳]
frequency
adjust
7. Frequency * The Frequency
adjust adjustment can be
performed only in
PC test mode.
ADJUSTMENT
Condition
PC test mode
equipment
1) Adj item:
[Receive Assist]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
Press [Apply All]
button to store the
adjustment value.
1) Adj item:
[Transmit Assist]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
PTT: Press
[Transmit] button.
Press [Apply All]
button to store the
adjustment value.
1) Adj item: [RTC
(Real-time clock)]
1) Adj item: SSG
[Frequency]
SSG output :
–20dBm (22.4mV)
(CW (without
modulation))
Caution:
Perform the frequency
adjustment under the
following conditions.
• Temperature range
of +23˚C to +27˚C
(+73.4˚F to +80.6˚F).
(The temperature is
displayed on the Fre-
quency adjustment
screen of the KPG-
111D and the LCD
of the transceiver.)
• Use an accuracy of
0.001ppm for the
SSG. (Use a stan-
dard oscillator if
necessary.)
Measurement
Test-
Unit Terminal Unit
Panel
Panel ANT
NX-300
Adjustment
Specifi cations /
Parts Method
[Panel The sub LCD display 2.5V±0.1V
tuning and [V] indicator
mode] on the PC window [PC test mode]
[ ], shows VCO lock Press [Apply All]
[ ] voltage. Change the button to store the
adjustment value adjustment value
[PC test to get VCO lock after all adjustment
mode] voltage within the point was adjusted.
[ ],[ ] limit of the speci-
fi ed voltage.
Note:
Confi rm the VCO
lock voltage approxi-
mately 3 seconds
after the adjustment
value is changed.
[Side1] [Panel tuning mode]
Press [Side1] key.
After automatic ad-
justment adjusted
value is displayed
on the LCD.
Press [ ] key to
store the adjust-
ment value.
[PC test mode]
Press [Start] button
of "Auto Tuning".
Press [Apply] button
to store the adjust-
ment value after the
automatic adjust-
ment was fi nished.
[PC test mode] [PC test mode]
Press [Start] button The value of "IF20"
of "Auto Tuning". will become around
Press [Apply] but- "0" after the adjust-
ton to store the ment was fi nished.
adjustment value
after the automatic Remark:
adjustment was "Frequency" is
fi nished. adjusted under
receiving condition
with SSG.
Remarks
47