User manual ICOM AH-703

[. . . ] INSTRUCTIONS AH-703 I IMPORTANT HF/50 MHz 5-BAND ANTENNA Thank you for purchasing the AH-703 HF/50 MHz 5BAND ANTENNA. [. . . ] 1, 390 mm; 4. 6 ft (at the longest element length) · Weight Grounding wires : Approx. 330 g; 11. 6 oz (without grounding wires) All stated specifications are subject to change without notice or obligation. Set screw Icom, Icom Inc. and the logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries. I Assembling the antenna e Push [TUNER] on the IC-703 controller, then measure the VSWR. · See the IC-703 instruction manual for the VSWR measurement procedure. r When the VSWR is not good enough (VSWR>1. 5:1) Tighten Set screw Loosen or not tuned, adjust the following. · Top element length: Loosen the nut of the top element, then adjust the element length as illustrated below. · To improve VSWR on a higher or lower frequency in the selected frequency band, adjust the top element by lengthening or shortening it, respectively. · After the element length adjustment, tighten the nut. · Grounding wires: Adjust or change the wires angle, holding position, etc. q Attach the top element to the base element, then tighten the top element. e Attach the grounding wires to the [GND] terminal of the IC-703 rear panel as illustrated below. · Keep the grounding wires in the LC-156 side pockets via the cable hole. [. . . ] Band 7 MHz 14 MHz 21 MHz 28 MHz 50 MHz Short element connection D­E C­E B­E A­E Using loading coil Remove the element All loading coils (A­D) A­C A­B A only No loading coil 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan A-6313H-1EX-q Printed in Japan © 2003 Icom Inc. [. . . ]