Kenwood NX-720 Service Manual page 70

NX-720
Item
Panel tuning mode
 The Frequency
4. Frequency
adjustment can be
performed only in
PC test mode.
Transmitter Section
Item
Panel tuning mode
1. High 1) Adj item: [HLMT]
Transmit Adjust: []
power Limit 2) Adj item:
[H.LMT_]
[H.L.MT_]
[H.L.M.T_]
[H.L.M.T._]
[H.L.M.T._.]
PTT : ON
Press [
store the adjust-
ment value
Low 1) Adj item: [LLMT]
Transmit Adjust: []
power Limit 2) Adj item:
[L.LMT_]
[L.L.MT_]
[L.L.M.T_]
[L.L.M.T._]
[L.L.M.T._.]
PTT : ON
Press [
store the adjust-
ment value
70
ADJUSTMENT
Condition
PC test mode
1) Adj item:
[Frequency]
SSG output
:–20dBm (22.4mV)
(CW (without
modulation))
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 0.003ppm for
the SSG. (Use a
standard oscillator
if necessary.)
Condition
PC test mode
1) TEST CH:
Low, Low', Center,
High', High (5 point)
2) Transmit
Press [Apply All]
button to store the
adjustment value.
] key to
1) TEST CH:
Low, Low', Center,
High', High (5 point)
2) Transmit
Press [Apply All]
button to store the-
adjustment value.
] key to
Measurement
Test-
Unit Terminal Unit
equipment
SSG ANT
Measurement
Test-
Unit Terminal Unit
equipment
Power ANT
meter
Ammeter
Adjustment
Parts Method
[PC test mode] [PC test mode]
Press [Start] but- The value of "IF20"
ton of "Auto Tun- will become around
ing". Press [Apply] "0" (Target: ±12digit)
button to store the after the adjustment
adjustment value was fi nished.
after the automatic
adjustment was
fi nished.
Remark:
"Frequency" is
adjusted under
receiving condition
with SSG.
Adjustment
Parts Method
[Panel 28W ±2.0W
tuning
mode] [PC test mode]
Press [Apply All]
[ ],
button to store the
[ ]
adjustment value
[PC test after all adjustment
mode]
point was adjusted.
[ ],
[ ]
10W
Specifi cations/
Remarks
Specifi cations/
Remarks