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4-6 MAIN UNIT ADJUSTMENT
ADJUSTMENT
ADJUSTMENT CONDITION
OPERATION
ADJUSTMENT
POINT
VALUE
PRESET
1 • Receiving
1) Turn the transceiver OFF.
2) Reset the CPU. (While pushing and
holding both [F-INP] and [MW], turn
the power ON.)
–
–
2
• Set the variable resister to 3 o'clock
position (viewing from REAR).
R1211
3 o'clock
position
3
1) Connect a Digital multimeter to the
CP1201
.
2) Adjust the voltage.
R1227
0.5 V
(0.3–0.7 V)
TX PEAK
-Preparation-
1 • Frequency
: 14.1 MHz
• Mode
: USB
• Transmitting (Max. power)
1) C o n n e c t a n AC M i l l i vo l t m e t e r
and Audio Generator to the [MIC]
connector on the FRONT panel,
and set it as;
Frequency
: 1.5 kHz
Level
: 1 mV
2) Connect an RF Power meter to
[ANT1].
–
–
-Adjustment-
2
• A d j u s t t h e T X o u t p u t p o w e r .
(If ALC is activated during adjustment,
reduce the MIC gain.)
L3503
Max. TX
power
TX TOTAL
GAIN
1 • Frequency
: 14.1 MHz
• Mode
: USB
• [MIC GAIN]
: Center position
• Transmitting
1) C o n n e c t a n AC M i l l i vo l t m e t e r
and Audio Generator to the [MIC]
connector on the FRONT panel,
and set it as;
Frequency
: 1.5 kHz
Level
: 1 mV
2) Connect an RF Power meter to
[ANT1].
3) Adjust the TX output power.
R3520
50 W
TX HIGH
POWER
(HF BAND)
1 • Frequency
: 14.100 MHz
• Mode
: RTTY
• Transmitting
1) Connect an RF Power meter to
[ANT1].
2) Adjust the TX output power.
R1267
103 W
( 50 MHz
BAND)
2 • Frequency
: 50.100 MHz
• Mode
: RTTY
• Transmitting
1) Connect an RF Power meter to
[ANT1].
2) Adjust the TX output power.
R1262
100 W