Icom AT-140 instruction manual

HF AUTOMATIC

ANTENNA TUNER

AT-140

INSTRUCTION MANUAL

Contents

Main FOREWORD MATIC ANTENNATUNER IMPORTANT READ ALL INSTRUCTIONS SAVE THIS INSTRUCTION MANUAL. MISCELLANEOUS ITEMS FEATURES TABLE OF CONTENTS ANTENNA SYSTEM Antenna for ship Required antenna element length Undesirable antenna element lengths AVOID Antenna for land operation Coaxial cable Ground and counterpoise Why a ships ground is required DANGER!NEVER IMPORTANT!The mounting plate is NOT con- INSTALLATIONS Installation outline Control cable PL-259 connector Mounting Mounting on a Mast/Metal pole Mounting on a at surface WARNING: 2 Cable connections IMPORTANT! AT-140 CONTROL CABLE SIGNALS Terminal information Key voltage [KEY] If the key voltage is more than 8 V, switch the mode switch (S1) to OFF mode (lower position). 3 Transceiver setting UNIT DESCRIPTION AND SPECIFICATIONS Specications Unit description 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003 Japan A-6175H-1EX Printed in Japan 2002 Icom Inc.