ICOM艾可慕Icom_AH-710_user操作说明书手册

INSTRUCTIONSThank you for purchasing the AH-710 FOLDED DI-FOLDED DIPOLE ANTENNAPOLE ANTENNA.AH-710Please read these instructions before installing andusing this antenna.INSTALLATIONUNPACKING1 Decide on a location for the antenna.①Antenna element1,1.The radiation direction is at right angles to the antenna2 Coaxial cable (5D2V,30 m;98.4 ft)....................1.element.3 Support wire for mobile operation (10 m;32.8 ft)..22 Connect the coaxial cable to the antenna element.Auto-bonding waterproof tape (30 cm;1 ft)..........13 Connect the support wire to the insulator at the endof the antenna.Attach the antenna onto the antenna mast with thesupport wire.INSTALLATION NOTES5 Connect the support wire to the insulator at theother end of the antenna.NOTE:The supplied support wires are for mobile6 Attach the antenna onto the other antenna mast.operation only.Use durable wires for base station7 Stretch the antenna wires as shown below.么purposes.Basically,a dipole antenna emits RF signals at right an-FLAT TOPgles to the direction of the antenna element.Install theantenna so that it is at right angles to your target com-munication direction.Optimum radiation尽Install the antenna as high and as far away from otherstructures as possible.For example,the antenna heightshould be 10 m(32.8 ft)or more when using a"flat top"installation;the lower side antenna height should be 5m(16.4 ft)or more when using an"inverted V"installa-tion.The antenna should be spaced 1 m(3.3 ft)ormore from other structures.If you want to obtain the best possible VSWR,fine tun-ing of the antenna height and location,etc.is neces.sary.SPECIFICATIONSINVERTED VOptimum radiationFrequency range1.9 to 30 MHzPower ratting:150WInput impedance:502VSWR(typical)Less than 2:1(1.9 to 18 MHz)Less than 2.5:1 (18 to 30 MHz)Length:24.5m(80.4f)Coaxial feed line30 m (98.4 ft)with PL-259 plugAt lower frequencies,the antenna SWR becomesapprox.20%higher when the antenna height differ-ence from other structures is less than half of thewavelength.Icom Inc.Count on us!6-9-16 Kamihigashi,Hirano-ku,Osaka 547-0002 JapanA-8308X-1EX Printed in JapanCopyright 1998 Icom Inc.