Icom I706MKTMG, IC-706MKIIG External antenna tuners and linear amplifier, CONNECTING THE AH-4

INSTALLATION AND CONNECTIONS 2

■External antenna tuners and linear amplifier

CONNECTING THE AH-4

	Coaxial cable		The AH-4 can be used for the HF bands and 50
			MHz band only.
ANT 1	(from the AH-4)		AH-4
				To the AH-2b or
Transceiver				an antenna element
CONNECTING THE AT-180		ACC cable supplied with the AT-180
Coaxial cable supplied				HF
				to 6 m
with the AT-180
				antenna
	[ANT 1]	[ACC]	AT-180 [ACC]	one of two
				connectors

IC-706

[TRANSCEIVER]

Ground

Note:

• Turn the IC-706MKIIG’s power

OFF when connecting the AT-

Do not connect [ANT 2] to the AT-180. When using an HF to 2 m wide antenna, use a duplexer

Transceiver

AT-180

HF to 2 m antenna

180, otherwise, the CPU may

malfunction and the AT-180

may not function properly.

• The OPC-742 is required when

using both the AT-180 and a 2

m linear amplifier.

between the AT-180 and antenna since 2 m signals do not pass through the AT-180.

[ANT 1]

[ANT 2]

Duplexer

CONNECTING THE IC-PW1
To an		Mini-plug cable	OPC-599 conversion cable
antenna
		ACC cable
				7-pin side
ANT	ACC-1	REMOTE			ACC	REMOTE
			INPUT-1	ANT1
			Coaxial cable
				GND	Transceiver
			GND
		IC-PW1
	AC outlet (220–240 V)					14