Kenwood NX-300 Service Manual page 55

Item
Panel tuning mode
5. Receive 1) Adj item: [RAST]
Assist Adjust: [SSSS]
2) Adj item: [L RAST]→
[L' RAST]→[C RAST]→
[H' RAST]→[H RAST]
Adjust: [SSSS]
Press [ ] key to store
the adjustment value.
Transmit 1) Adj item: [TAST]
Assist Adjust: [SSSS]
2) Adj item: [L TAST]→
[L' TAST]→[C TAST]→
[H' TAST]→[H TAST]
Adjust: [SSSS]
PTT : ON (RF power
is not output.)
Press [ ] key to store
the adjustment value.
6. RTC 1) Adj item: [RTC]
oscillation Adjust: [SSS]
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
Frequency adjust-
ment screen of the
KPG-111D/111DN
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
Panel ANT
NX-300(G)
Adjustment
Specifications /
Parts Method
The sub LCD 2.5V±0.1V
tuning display and [V]
mode] indicator on the [PC test mode]
[ ], PC window shows Press [Apply All]
[ ] VCO lock voltage. button to store the
Change the adjust- adjustment value
[PC test ment value to get after all adjustment
mode] VCO lock voltage points have been
[ ],[ ] within the limit of the adjusted.
specified voltage.
Note:
Confirm the VCO
lock voltage approx-
imately 3 seconds
after the adjustment
value is changed.
[Side1] [Panel tuning mode]
Press [Side1] key.
After automatic
adjustment 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 has finished.
[PC test mode] [PC test mode]
Press [Start] button "IF20" value =
of "Auto Tuning". Within 0±12 digits.
Press [Apply] button The value of "IF20"
to store the adjust- will become around
ment value after the "0" after the adjust-
automatic adjust- ment has finished.
ment has finished.
Remark:
"Frequency" is
adjusted under
receiving condition
with SSG.
Remarks
55