Icom AT-140 Handleiding

Icom Receiver AT-140

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2001 NEW

HF AUTOMATIC

ANTENNA TUNER

AT-140

INSTRUCTION MANUAL

AT-140_1.qxd 04.4.26 9:16 Page 1

2001 NEW 2001 NEW

FOREWORD

Thank you for purchasing the AT-140 HF AUTO-

MATIC ANTENNA TUNER.

The AT-140 is designed, primarily for use with Icom HF

transceivers.

Refer to your HF transceiver instruction manual for op-

eration. If you have any questions, contact your dealer.

IMPORTANT

READ ALL INSTRUCTIONS carefully and com-

pletely before using the AT-140.

SAVE THIS INSTRUCTION MANUAL. This in-

struction manual contains important safety and instal-

lation instructions.

EXPLICIT DEFINITIONS

PRECAUTIONS

RDANGER HIGH VOLTAGE! NEVER touch

the antenna terminal, ground terminal, antenna or

counterpoise while transmitting. Place the AT-140, an-

tenna and counterpoise in positions where no one can

touch them.

NEVER use without a ground connection.

NEVER transmit during internal adjustment. This may

cause an electric shock.

USE the ground terminal for ground connection.

The mounting plate is not connected internally.

DO NOT operate your HF marine transceiver without

running the boat’s engine.

AVOID using the AT-140 in areas where the temper-

ature is below –30°C (–22°F) or above +60°C

(+140°F).

Ground terminal

Mounting plate

Word Deﬁnition

RWARNING Personal injury, ﬁre hazard or electric

shock may occur.

CAUTION Equipment damage may occur.

NOTE

If disregarded, inconvenience only. No

personal injury, ﬁre hazard or electric

shock.

SUPPLIED ACCESSORIES

The following accessories are supplied with the AT-140. Qty.

qU-bolts ……………………………………………… 2

wU-bolt plates ……………………………………… 2

eFlat washers (M6 large) ………………………… 8

rFlat washers (M6 small) ………………………… 4

tSpring washers (M6) ……………………………… 8

yNuts (M6) …………………………………………… 8

uHex head bolts (M6×50) ………………………… 4

iSelf-tapping screws (A0 6×30) …………………… 4

oWeatherproof cap ………………………………… 1

!0 4-pin/6-pin connector* …………………………… 1

!1 Connector pins* …………………………………… 4

!2 Ground cable (OPC-412) ………………………… 1

*The supplied connector and pins are differ according to ver-

sion.

!0 !1

Icom, Icom Inc. and the are registered trademarks of Icom Incorporated (Japan) in the United States, the United King-

dom, Germany, France, Spain, Russia and/or other countries.

AT-140_1.qxd 04.4.26 9:16 Page 2

2001 NEW

MISCELLANEOUS ITEMS

The following parts are additionally required for instal-

lation, but are not supplied with the AT-140.

Purchase these parts locally.

qAWG 14×4-conductor shielded cable

*Icom offers an optional OPC-1147/N

CONTROL CABLE

Length: 10 m; 32.8 feet

w50 Ωcoaxial cable

ePL-259 connectors

FEATURES

Matches all bands

The AT-140 matches any frequency on every HF ma-

rine band. For example, the tuner matches a 7 m; 23 ft

long-wire antenna across 1.6–30 MHz.

Full automatic tuning

Just push the [TUNE] switch on the transceiver, and

the AT-140 adjusts immediately to the minimum SWR

of any frequency on any HF marine band.

HF operation on any size ship

The AT-140 allows you HF operation where antenna

element length is restricted due to space.

Weather resistant

The AT-140 is housed in a durable, completely weather

resistant ASA case with a rubber gasket. The antenna

tuner can be conveniently installed both on the deck or

in the cabin near the antenna element.

Simple installation

Installation is simple. Just connect the control and an-

tenna cables. You never need to open the cover.

45 memories for shorter tuning time

To decrease the tune-up time, the AT-140 automatically

stores the matching conditions for up to 45 frequencies.

Re-tuning for a memorized frequency takes approx. 1

sec.

Super capacitor for memory backup

Even if the AT-140 is not used for approx. 1 week, the

built-in super capacitor backs up contents of the 45

memories.

Low power tune up

The AT-140 emits low output power during tuning. This

feature reduces the possibility of causing interference

to other stations.

Tuner through function

The tuner through function is built into the AT-140. This

function helps improve receiver gain, depending on the

antenna element length used, and operating fre-

quency.

TABLE OF CONTENTS

FOREWORD …………………………………………… i

IMPORTANT …………………………………………… i

EXPLICIT DEFINITIONS ……………………………… i

PRECAUTIONS ……………………………………… i

SUPPLIED ACCESSORIES ………………………… i

MISCELLANEOUS ITEMS ………………………… ii

FEATURES …………………………………………… ii

TABLE OF CONTENTS ……………………………… ii

1 ANTENNA SYSTEM …………………………… 1–2

■Antenna for ship ………………………………… 1

■Antenna for land operation ……………………… 1

■Coaxial cable …………………………………… 2

■Ground and counterpoise ……………………… 2

2 INSTALLATIONS ………………………………… 3–5

■lnstallation outline………………………………… 3

■Control cable……………………………………… 3

■PL-259 connector………………………………… 4

■Mounting ………………………………………… 4

■Cable connections ……………………………… 5

3 CONTROL CABLE SIGNALS ………………… 6–7

■Terminal information …………………………… 6

■Transceiver setting ……………………………… 7

4 UNIT DESCRIPTION AND SPECIFICATIONS

………………………………………………………… 8

■Unit description…………………………………… 8

■Speciﬁcations …………………………………… 8

AT-140_1.qxd 04.4.26 9:16 Page 3

Product specificaties

Merk:	Icom
Categorie:	Receiver
Model:	AT-140
Kleur van het product:	Grijs
Merkcompatibiliteit:	ICOM
Aantal:	1
Compatibiliteit:	IC-M802
Frequentie bereik:	1.6 - 30 MHz