User manual ICOM AH-703

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Manual abstract: user guide ICOM AH-703

Detailed instructions for use are in the User's Guide.

 [. . . ] INSTRUCTIONS

AH-703
I IMPORTANT

HF/50 MHz 5-BAND ANTENNA

Thank you for purchasing the AH-703 HF/50 MHz 5BAND ANTENNA.  [. . . ] READ THE IC-703 INSTRUCTION MANUAL FIRST before attempting to operate the transceiver. 
Base element

Short terminal A Loading coil A Short terminal B Loading coil B Short terminal C Loading coil C Short terminal D Loading coil D Short terminal E

Short element

Antenna connector (PL-259 type)

I Antenna specifications I Supplied items
Top element Base element Allen wrench

· Frequency coverage : 7,  14,  21,  28 and 50 MHz bands · Type of antenna : 1/4 type whip antenna · Antenna connector : PL-259 (50 : nominal) · Max. input power : 20 W · Total antenna length : Approx. 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.  [. . . ] 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.  [. . . ]

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