4 - 4
4-3 TRANSMITTER ADJUSTMENTS
TRANSMIT
PEAK
POWER
CARRIER
SUPPRESSION
TRANSMIT
TOTAL GAIN
OUTPUT
POWER
Id APC
ADJUSTMENT
ADJUSTMENT
ADJUSTMENT CONDITION
MEASUREMENT
VALUE
POINT
UNIT
LOCATION
UNIT
ADJUST
1
1
2
1
1
2
1
• Display frequency: 14.10000 MHz
• Mode
: USB
• [RF POWER]
: H
• [MIC GAIN]
: 5
• Pre-set R2765 to 3 o’clock position.
• Pre-set R1803, R1807 and R2705
to center position.
• Connect an audio generator to
[MIC] connector and set as:
1.5 kHz/3 mV
• Transmitting
• Display frequency: 14.10000 MHz
• Mode
: USB
• Apply no signal to [MIC] connector.
• Transmitting
• Transmitting
• Display frequency: 14.10000 MHz
• Mode
: USB
• [MIC GAIN]
: 5
• Connect an audio generator to
[MIC] connector and set as:
1.5 kHz/3 mV
• Transmitting
• Display frequency: 14.10000 MHz
• Mode
: USB
• [MIC GAIN]
: 5
• Connect an audio generator to
[MIC] connector and set as:
1.5 kHz/30 mV
• Transmitting
• Display frequency: 52.00000 MHz
• Transmitting
• Pre-set R2765 to 9 o’clock posi-
tion.
• Display frequency: 3.8000 MHz
• Mode
: LSB
• Connect CP2711 to ground.
• Connect an audio generator to
[MIC] connector and set as:
1.5 kHz/30 mV
• Transmitting
Rear
Panel
Rear
Panel
Rear
Panel
Rear
Panel
Rear
panel
Connect an RF
power meter to [ANT]
connector.
Connect a spectrum
analyzer to [ANT]
connector via an
attenuator.
Connect an RF
power meter to [ANT]
connector.
Connect an RF
power meter to [ANT]
connector.
Connect an ammeter
between the IC-703
and the power sup-
ply.
Maximum RF power
NULL point
Minimum carrier level
5 W
9.7 W
10 W
3.0 A
MAIN
MAIN
MAIN
MAIN
MAIN
L831,
L832
R1803
R1807
R833
R2705
R2706
R2765
