Transmit Power Adjustment (At 5.0 V); Transmit Power Adjustment (At 7.4 V) - Icom IC-80AD Service Manual

5-6 TRANSMIT POWER ADJUSTMENT (at 5.0 V)

Select an adjustment item using [2] / [8], then set the adjustment value as specifi ed using [DIAL].
ADJUSTMENT
ADJUSTMENT
ITEM
TRANSMIT
POWER
[VHF (BAND LOW)]
[PO5]
[VHF (BAND HIGH)]
[UHF (BAND LOW)]
[UHF (BAND HIGH)]

5-7 TRANSMIT POWER ADJUSTMENT (at 7.4 V)

Select an adjustment item using [2] / [8], then set the adjustment value as specifi ed using [DIAL].
ADJUSTMENT
ADJUSTMENT
ITEM
TRANSMIT POWER
(Hi power)
[VHF (BAND LOW)]
[VHF (BAND HIGH)]
(Hi power)
[UHF (BAND LOW)]
[UHF (BAND HIGH)]
(Mid power)
[VHF (BAND LOW)]
[VHF (BAND HIGH)]
(Mid power)
[UHF (BAND LOW)]
[PO7]
[UHF (BAND HIGH)]
(Low power)
[VHF (BAND LOW)]
[VHF (BAND HIGH)]
(Low power)
[UHF (BAND LOW)]
[UHF (BAND HIGH)]
(S-Low power)
[VHF (BAND LOW)]
[VHF (BAND HIGH)]
(S-Low power)
[UHF (BAND LOW)]
[UHF (BAND HIGH)]
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1 1) Set the power supply voltage to 5.0 V.
2) Connect an RF power meter to the antenna connector.
3) While transmitting, adjust the TX power using [DIAL], then push
2
[BAND] to store the adjustment value.
3
4
5
1 1) Set the power supply voltage to 7.4 V.
2) Connect an RF power meter to the antenna connector.
2 • While transmitting, adjust the TX power using [DIAL], then push
[BAND] to store the adjustment value.
3
4
5
6
7
8
9
5 - 6
OPERATION
OPERATION
VALUE
80–120
mW
VALUE
–
4.8–5.2 W
5.0–5.4 W
4.6–5.0 W
2.3–2.7 W
0.4–0.6 W
80–120
mW