Icom IC-M803 Service Manual page 22

5-4 TRANSMIT ADJUSTMENTS (CONTINUED)
ADJUSTMENT ITEM
ADJUSTMENT
TX OUTPUT
1 "TX Total MF Gain"
POWER (MF)
2 "TX Total MF Gain"
- Adjustment -
3 "Power Tune (2.1M)"
4 "Power 20W (2.1M)"
5 "Power 60W (2.1M)"
6 "Power 100W (2.1M)"
7 "Power 150W (2.1M)"
8 "Power 150W (1.6M)"
ALC
1 "ALC"
- Adjustment -
DRIVE GAIN 1 "Drive Min (12M)"
- Adjustment -
SWR
If a 100 Ω dummy load (or a dummy load with VSWR of 2:1) is unavailable, skip this adjustment.
- Preparation -
1 "SWR2"
- Adjustment -
2 "SWR2"
Id APC 1 "ID-APC Check"
- Adjustment -
SETTING CONDITION
DISPLAY
• Receiving
• Automatically transmits.
• Automatically transmits.
• Automatically transmits.
• Connect the 100 Ω dummy load to
the [ANT] connector.
• Automatically transmits.
• Automatically transmits.
( Automatically returns to receive
when the beeps sound.)
5-5
OPERATION
Push .
Rotate [CH/GRP] to set the output
power to 70 W, then push
(Two beeps sound.)
Rotate [CH/GRP] to set the output
power to 10 W, then push
(Two beeps sound.)
Rotate [CH/GRP] to set the output
power to 20 W, then push
(Two beeps sound.)
Rotate [CH/GRP] to set the output
power to 70 W, then push
(Two beeps sound.)
Rotate [CH/GRP] to set the output
power to 100 W, then push
(Two beeps sound.)
Rotate [CH/GRP] to set the output
power to 140 W, then push
(Two beeps sound, and then
automatically moves to the ALC
adjustment "ALC.")
Push .
(Three seconds later, two beeps
sound and then automatically
enters to the Drive gain adjustment
"Drive Min (12M)" mode.)
Push .
(Ten seconds later, two beeps
sound and then automatically
moves to the SWR adjustment
"SWR2.")
–
Push .
(Three seconds later, two beeps
sound and then automatically
moves to the Id APC adjustment
"ID-APC Check.")
Push .
(Two seconds later, two beeps
sound and then automatically
returns to the adjustment menu.)
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