Kenwood NEXEDGE NX-900, Service Manual, Page: 53 / 115

NX-900
53
ADJUSTMENT
Item
Condition Measurement Adjustment
Specifi cations /
Remarks
Panel tuning mode PC test mode
Test-
equipment
Unit Terminal Unit Parts Method
5. RTC
(Real-time
clock)
oscillation
frequency
1) Adj item: [RTC]
Adjust:
[
✳✳✳
]
1) Adj item: [RTC
(Real-time clock)]
[ ] [Panel tuning mode]
Press [ ] key. After
automatic adjust-
ment adjusted value
is displayed on 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.
Adjustment of the
transceiver’s inter-
nal clock.
6. Frequency * The Frequency
adjustment can be
performed only in
PC test mode.
1) Adj item:
[Frequency]
2) CH-Sig: 3-1
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
standard oscillator if
necessary.)
SSG ANT [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]
“IF20” value =
Within 0±12 digits.
The value of “IF20”
will become around
“0” after the adjust-
ment was fi nished.
Frequency is adjust-
ed under receiving
condition with SSG.