Icom IC-80AD - IDLING CURRENT ADJUSTMENT (at 13.5 V)

5 - 5
5-5 IDLING CURRENT ADJUSTMENT (at 13.5 V)
Select an adjustment item using [2] / [8], then set the adjustment value as specifi ed using [DIAL].
ADJUSTMENT
ADJUSTMENT
ITEM
OPERATION VALUE
DRIVE AMP
IDLING CURRENT
[ID1]
1 1) Set the power supply voltage to 13.5 V.
(supplying from [DC IN])
2) Connect an RF power meter to the antenna connector.
3) Connect a multimeter between the power supply and transceiver.
4) Set the item [IP1] to "00."
–
[VHF BAND]
(Hi power)
2• While transmitting, adjust the idling current using [DIAL], then
push [BAND] to store the adjustment value.
180–230
mA
(Mid power)
3
(Low power)
4
(S-Low power)
5
[UHF BAND]
(Hi power)
6
150–200
mA
(Mid power)
7
(Low power)
8
(S-Low power)
9
FINAL AMP
IDLING CURRENT
[IP1]
1 1) Set the power supply voltage to 13.5 V.
(supplying from [DC IN])
2) Connect an RF power meter to the antenna connector.
3) Connect a multimeter between the power supply and transceiver.
–
[VHF BAND]
(Hi power)
2• While transmitting, adjust the idling current using [DIAL], then
push [BAND] to store the adjustment value.
700 mA
(Mid power)
3
400 mA
(Low power)
4
250 mA
(S-Low power)
5
[UHF BAND]
(Hi power)
6
900 mA
(Mid power)
7 400 mA
(Low power)
8
250 mA
(S-Low power)
9
NOTE: When "IDLING CURRENT" is adjusted, "TRANSMIT POWER" must be re-adjusted too.
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