Icom IC-M700PRO Instruction Manual

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Contents

Icom IC-M700PRO Instruction Manual Manual pdf 21 page image

6CONNECTIONS AND INSTALLATION18■ Ground connectionThe transceiver and antenna tuner MUST have anadequate ground connection. Otherwise, the overallefficiency of the transceiver and antenna tuner instal-lation will be reduced. Electrolysis, electrical shocksand interference from other equipment could alsooccur.For best results, use the heaviest gauge wire or strapavailable and make the connection as short as possi-ble. Ground the transceiver and antenna tuner to oneground point, otherwise voltage differences between2 ground points may cause electrolysis.CAUTION: The IC-M700PRO has a negativeground. NEVER connect the IC-M700PRO to a“positive ground system,” otherwise the transceiverwill not function.Ground system exampleGood ground points• Ship’s ground terminal• External ground plate• External copper screenAcceptable ground points• Stainless steel tuna tower• Stainless steel stanchion• Through mast• Through hull• Metal water tankUndesirable ground points(these points may cause electrolysis)• Engine block• Keel boltUnusable ground points(these connections may cause an explosion or elec-trical shock)• Gas or electrical pipe• Fuel tank• Oil-catch pan■ Power sourceThe transceiver requires regulated DC power of13.6 V and at least 30 A. There are 3 ways to sup-ply power:• A direct connection to a 12 V battery in your ship,through the supplied DC power cable.CAUTION: The supplied DC power cable MUST beused to provide power to the transceiver. AVOID ex-ceeding the 3 m (10 ft) length of the DC power cable.If it is necessary to make a run of over 3 m (10 ft),use a #6 or similar gauge wire instead of the sup-plied DC power cable, for a maximum run of 6 m(20 ft).DC power cable connection☞ NOTE: Use terminals forthe cable connection.CrimpSolderorSuppliedDC power cableredblack12 VbatteryOptional AT-130TransceiverCopper pipe Metal object Copper screen