NX-820
70
ADJUSTMENT
Item
Condition
Measurement
Adjustment
Specifi cations/
Remarks
Panel tuning mode
PC test mode
Test-
equipment
Unit
Terminal
Unit
Parts
Method
4. Frequency
The Frequency
adjustment can be
performed only in
PC test mode.
1) Adj item:
[Frequency]
SSG output :
–20dBm (22.4mV)
(CW (without modu-
lation))
Caution:
Perform the frequency
adjustment under the
following conditions.
• Temperature range
of +20°C to +26°C.
(The temperature
is displayed on the
Frequency adjust-
ment screen of
the KPG-141D(C)
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] but-
ton of “Auto Tun-
ing”. Press [Apply]
button to store the
adjustment value
after the automatic
adjustment was
fi nished.
[PC test mode]
The value of “IF20”
will become around
“0” (Target: ±12digit)
after the adjustment
was fi nished.
Remark:
“Frequency” is adjust-
ed under receiving
condition with SSG.
Transmitter Section
Item
Condition
Measurement
Adjustment
Specifi cations/
Remarks
Panel tuning mode
PC test mode
Test-
equipment
Unit
Terminal
Unit
Parts
Method
1. High
Transmit
power Limit
1) Adj item: [HLMT]
Adjust: [
]
2) Adj item:
[H.LMT_]
[H.L.MT_]
[H.L.M.T_]
[H.L.M.T._]
[H.L.M.T._.]
PTT: ON
Press [
] key to
store the adjust-
ment value
1) TEST CH:
Low, Low’, Center,
High’, High (5 point)
2) Transmit
Press [Apply All]
button to store the
adjustment value.
Power
meter
Ammeter
ANT
[Panel
tuning
mode]
[
],
[
]
[PC test
mode]
[
],
[
]
28W ±2.0W
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
Low
Transmit
power Limit
1) Adj item: [LLMT]
Adjust: [
]
2) Adj item:
[L.LMT_]
[L.L.MT_]
[L.L.M.T_]
[L.L.M.T._]
[L.L.M.T._.]
PTT: ON
Press [
] key to
store the adjust-
ment value
1) TEST CH:
Low, Low’, Center,
High’, High (5 point)
2) Transmit
Press [Apply All]
button to store the-
adjustment value.
10W
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