ICOM - AT-140 User manual
Contents
1. ee i PRECAUTIONS aaananannnannnnnnnnnnnnnannnnnannnnnnnnnnnn i SUPPLIED ACCESSORIES i MISCELLANEOUS ITEMS li FEATURES x21 sontstecicendadc Uie a a Uis uude li TABLE OF CONTENTS eee li 1 ANTENNA SYSTEM 1 2 M Antenna for ship ussesseeeeeese 1 E Antenna for land operation 1 M Coaxial Cable 3 1 otro aeh 2 E Ground and counterpoise 2 2 INSTALLATIONS HIPH 3 5 B Installation outline 3 B Control Cabl8 ctc Evo vare cce Eo beet 3 B PL 259 connector nnnnmsey 4 E Miueidisig open NER NE 4 MI Cable connections rne 5 3 CONTROL CABLE SIGNALS 6 7 B Terminal information 6 B Transceiver setting 7 4 UNIT DESCRIPTION AND SPECIFICATIONS e PTT TES 8 Bi Unit description eeeseeeeeeeeeesss 8 EIE SDECHICAIONS erui det ebes icti dede tes cu dares 8 E i ANTENNA SYSTEM E Antenna for ship Required antenna element length Required antenna element length to achieve full per formance varies according to the lowest frequency The lowest frequency Required antenna element length 1 6 MHz band 7 m 23 0 feet or longer 4 MHz band 3 m 92. 7 2 INSTALLATIONS B Cable connections D Connect the coaxial cable and the control cable to 4 Connect the coaxial cable and the control cable to the AT 140 as illustrated below the transceiver as illustrated below 2 Cover both the antenna and the control cable con 5 Ground the transceiver AT 140 and shield cable of nectors with rubber vulcanizing tape and fix it with the control cable via the ground terminal a vinyl tape to prevent water seeping into the con See pgs 2 and 7 10 for grounding details bed Z IMPORTANT AT 140 NEVER ground the AT140 via the mounting plate It is not connected to ground internally Ground terminal RSS c Mounting plate n B 3 Fix both of the coaxial and control cables to pro tect the inside connections SN Z DO NOT pull the antenna and control cable re Y ceptacles This may cause disconnection in the Z4 AT 140 internal connector damaged or bad Z connection Icom HF transceiver AT 140 Ground Downloaded by Amateur Radio Directory E CONTROL CABLE SIGNALS MB B Terminal information Consider the following points when using a non Icom transceiver KEY Key voltage Grounded during tuning Max current drain 100 mA 13 6 13 6 V DC G input terminal Max current drain 2 A STAR Receives start voltage Max current drain 1 mA E Ground terminal for above signals Start voltage STAR When a start voltage less than 1 V i
3. Unit 9 Sea St Herne Bay Kent CT6 8LD U K Phone 01227 741741 Fax 01227 741742 URL http www icomuk co uk Icom France S a Zac de la Plaine Rue Brindejonc des Moulinais BP 5804 31505 Toulouse Cedex France Phone 561 36 03 03 Fax 561 36 03 00 URL http www icomeurope com Beijing Icom Ltd 1035 Wanshang Plaza Shijingshan Road Beijing Chaina Phone 010 68666337 Fax 010 68663553 Downloaded by Amateur Radio Directory Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan
4. 8 feet or longer The longer the antenna element the better the an tenna efficiency Undesirable antenna element lengths AVOID multiples of 2X half wavelength for an tenna element lengths since tuning becomes difficult L Antenna element length to be avoided m f Operating frequency MHz n Natural number n 1 2 3 _ 300 1 a Wii f 2 L Example At an operating frequency of 16 MHz avoid the fol lowing antenna element lengths 300 1 nn 46 x 7 x n a 9 4 18 8 1m 39 inches For example if 15 m is selected for an antenna ele ment length you have no problem in the 1 6 25 MHz marine bands range E Antenna for land operation In some countries HF transceivers can be used for land mobile operation Ask your Icom Dealer for de tails since the radio law varies according to each country For land mobile operation on 4 MHz and above an optional AH 2b ANTENNA ELEMENT is available The AH 2b includes a sturdy tow hook mount system for holding a 2 5 m 8 2 feet stainless steel antenna element plus all the necessary hardware Backstay operates as a long wire antenna Whip antenna NOTE Keep antennas as far away from other objects as possible especially metal objects Hefer to the AH 2b instruction manual for the AH 2b and AT 140 installation to your vehicle Ask your Icom Dealer for details Connect a suitable antenna element for a base sta tion To achieve full pe
5. 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 Qty A EE ore CERNERET 2 2 U bolt plates issu ten tede sus eet et de oen te 2 3 Flat washers M6 large eene 8 4 Flat washers M6 small eese 4 5 Spring washers M6 eene 8 Nuts M6 ako tees MEI Ei A Red 8 Hex head bolts M6x50 o 4 Self tapping screws AO 6x30 eese 4 9 Weatherproof Capa sisienessteepisisa esee s erot ee adt 1 6 pin CONNECHOM o ccc cec eee eseeeeseeeeseeeeeeeeeeeeeeas 1 1 Connector pins eer 4 2 Ground cable OPC 412 sees 1 Icom Icom Inc and the com are registered trademarks of Icom Incorporated Japan in the United States the United Kingdom Germany France Spain Russia and or other countries MISCELLANEOUS ITEMS The following parts are additionally required for instal lation but are not supplied with the AT 140 Purchase these parts locally D AWG 14x4 conductor shielded cable Icom offers an optional OPC 1147 CONTROL CABLE Length 10 m 32 8 feet 2 50 Q coaxial cable 3 PL 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 Ful
6. 59 connector D Slide the coupling ring over the coaxial cable Strip the cable jacket and pull back to reveal 10 mm of braid e Soft solder the exposed braid and then pull out the jacket Coupling 30 mm hae 10 mm soft solder 2 Strip the cable as shown below Soft solder the cen ter conductor the entire length of the exposed braid 1 2 mm 10 mm soft solder 10 mm 3 inches E Mounting Attach the AT 140 either horizontally or vertically with one of the water drains facing downwards After mounting remove the screw in the water drain Mounting on a Mast Metal pole 5 Mast Using U bolts i Metal pol E U bolt plate Flat washer L Spring washer Flat washer S Nut WARNING Mount the AT 140 securely with the supplied nuts and bolts Otherwise vibrations and shocks due to waves etc could loosen the antenna tuner making if fall causing personal injury INSTALLATIONS 2 3 Slide the connector body over the cable and sol der as shown below Solder Solder g TE 4 Screw the coupling ring onto the connector body c mb Mounting on a flat surface Using nuts and bolts Using self tapping Nut gt cmn Flat washer S Spring _ a washer Flat washer L zr mm Flat washer L Hex head bolt 7 Weatherproof cap Drill a hole here Diameter 7 8 mm 9 52 5 16 inches Downloaded by Amateur Radio Directory
7. C M700PRO instruction manual p 11 for details IC M802 In the IC M802 select the antenna tuner type as AT 140 in initial set mode See IC M802 instruction man ual p 49 for details Non Icom HF transceiver Select correct settings for the start voltage and key voltage Refer to your HF transceiver instruction man ual for details Z NOTE When a non Icom automatic tuner was pre 7 viously used confirm the tuner settings Refer to Z the instruction manual for details With AT 130 setting use of the AT 140 is possible how ever the tuner through function cannot be operated UNIT DESCRIPTION AND SPECIFICATIONS 4 Nu B Unit description 340 mm 13 4 in 80 mm 3 1 in Ground terminal pec Mounting plate Water drain screw e Control cable receptacle Antenna cable receptacle o C Antenna terminal SSP Sum Mounting plate e 91 5 mm 3 6 in Downloaded by Amateur Radio Directory E Specifications e Frequency coverage 1 6 30 MHz with 7 m 23 0 feet or longer antenna element Power supply requirement 13 6 V DC supplied from HF transceiver Current drain Max 2A Operating temperature range 30 C to 60 C 22 F to 140 F Weight 2 5 kg 5 5 Ib e Antenna connector SO 239 50 Q Max Input power 150 W PEP 100 W continuous e Automatic tuning time Approx 2 3 sec general condition Max 15 sec Approx 1 sec re tuning for a memorized
8. O o ICOM INSTRUCTION MANUAL HF AUTOMATIC ANTENNA TUNER AT 140 Downloaded by Amateur Radio Directory Icom Inc 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 Word Deos A WARNING Personal injury fire hazard or electric shock may occur CAUTION Equipment damage may occur If disregarded inconvenience only No personal injury fire hazard or electric shock SUPPLIED ACCESSORIES The following accessories are supplied with the AT 140 OOOOOOOO e 00000000 PRECAUTIONS A DANGER 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 ic Ground terminal EM NS E c SS Mounting plate M
9. d be connected to only 1 ship s ground AVOID connection to 2 or more points Voltage dif ference between 2 or more ship s grounds may cause electrolysis AVOID connection between dissimilar metals where an electric current is present These connections may cause electrolysis ANTENNA SYSTEM 1 To prevent erroneous indications keep cables as far away as possible from the flux gate compass Use suitable noise filters for alternators fluorescent lights etc Ask your Dealer for details Counterpoise If your ship is made of FRP etc and a good ship s ground is not available connect a counterpoise VAX radial for each band Ground terminal AT 140 Yad quarter wavelength radial for each band is suit able for a counterpoise Install the counterpoise di rectly below the AT 140 s ground terminal Insulate the ends of each radial from other metal objects Lay out the radial horizontally and as straight as possible L Counterpoise length for the operating frequency m f Operating frequency MHz 300 1 L r x 1 Example At an operating frequency of 16 MHz use a counter poise with the following length 300 1 26 x z 47 m 1m az 39 inches Ground cable For best results use the heaviest gauge wire or metal strap available Make the distance between the AT 140 s ground terminal and ship s ground as short as possible Supplied ground cable can be used for ground con nection to a through ma
10. e con nector kits supplied with the transceiver and the tuner E Black _ gt E Black 13 6 Red 13 6 Red STAR White STAR White KEY Green M gt KEY Green GND GND When connecting to Icom IC M710 RT IC M700PRO Use the optional OPC 566 1147 either the connector to the AT 140 or the transceiver requires assem bly or assemble the desired length 4 conductor shielded cable and the connector kits supplied with the transceiver and the tuner To AT 140 To transceiver STAR White KEY Green E Black 13 6 Red STAR White KEY Green 13 6 Red if E Black eh GND When connecting to Icom IC M700 TY IC 78 Use the optional OPC 1147 this connector only requires assembly or assemble the desired length 4 To transceiver conductor shielded cable and the connector kits supplied with the E Black transceiver and the tuner 13 6 Red N 13 6 Red STAR White STAR White KEY Green To AT 140 E Black L KEY Green a B PL 2
11. frequency e Automatic tuning accuracy SWR 2 0 1 after tuning except for multiples of 1 2 All stated specifications are subject to change without notice or obligation Count on us A 6175H 1EX Printed in Japan 2002 Icom Inc Icom America Inc Corporate Headquarters 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 425 454 8155 Fax 425 454 7619 URL http www icomamerica com Customer service Phone 425 454 7619 Icom Canada Glenwood Centre 4150 6165 Highway 17 Delta B C V4K 5B8 Canada Phone 604 952 4266 Fax 604 952 0090 URL http www icomcanada com Icom Australia Pty Ltd A C N 88 006 092 575 290 294 Albert Street Brunswick Victoria 3056 Australia Phone 03 9387 0666 Fax 03 9387 0022 URL http www icom net au Icom New Zealand 146A Harris Road East Tamaki Auckland New Zealand Phone 09 274 4062 Fax 09 274 4708 URL http www icomam co nz Asia Icom Inc 6F No 68 Sec 1 Cheng Teh Road Taipei Taiwan R O C Phone 02 2559 1899 Fax 02 2559 1874 URL http www asia icom com Icom Europe GmbH Communication Equipment Himmelgeister Str 100 D 40255 D sseldorf Germany Phone 0211 346047 Fax 0211 333639 URL http www icomeurope com Icom Spain S L Ctra de Gracia a Manresa Km 14 750 08190 Sant Cugat del Valles Barcelona SPAIN Phone 93 590 26 70 Fax 93 589 04 46 URL http www icomspain com Icom UK Ltd
12. l automatic tuning Just push the TUNE switch on the transceiver and the AT 140 adjusts immediately to the minimum SWHR 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 FORE WOR O iie Ecco ees eaten i IMPORTANT nsien aa a i EXPLICIT DEFINITIONS
13. rformance refer to Required antenna element length above B Coaxial cable Insulate the lead in cable of the AT 140 antenna ter minal and antenna element from other metal objects To prevent interference keep cables as far as possi ble from an antenna electric pump and other elec tronic equipment E Ground and counterpoise Why a ship s ground is required The AT 140 s ground terminal MUST be connected to your ship s ground Grounding prevents electric shocks interference to other equipment and other problems Grounding also ensures effective signal transmission DANGER NEVER connect the ground terminal to the following points These connections may cause an explosion or electric shocks Gas or electrical pipe Fuel tank or oil catch pan IMPORTANT The mounting plate is NOT con nected to the AT 140 s internal ground Ideal ground points One of following points is ideal External ground plate External copper screen External copper foil Good ground points If electrically connected to sea water one of the fol lowing points is usable Stainless steel stanchion Through mast Through hull Metal water tank Undesirable ground points AVOID the following points if possible These con nections may cause noise or electrolysis Engine block Ship s DC battery ground Electrolysis All ground cables from the AT 140 HF transceiver etc on your ship shoul
14. s received the AT 140 begins automatic tuning More than 350 msec L 4 4 Approx 7 5 V Less than 1 V to start tuning Time For tuner through operation Less than 250 msec Key voltage KEY During automatic tuning the AT 140 grounds the key voltage line and the HF transceiver reduces output power During automatic tuning voltage 8 Approx 7 5 V Grounded Time If the key voltage is more than 8 V switch the mode switch S1 to OFF mode lower position S1 NORMAL mode x OFF mode O Downloaded by Amateur Radio Directory li al 3 CONTROL CABLE SIGNALS B Transceiver setting IC M700 with serial number 2500 and below In the IC M700 change the TUNE switch setting from the 1 position to the 2 position Confirm that the KEY switch is in the 2 position Refer to the IC M700 instruction manual p 9 for details KEY TUNE Fm 2 position Select 2 position Other IC M700 and IC M700TY Nothing necessary to set However the tuner through function is not available when using the AT 140 with IC M700 TY IC 78 In the IC 78 select the antenna tuner type as 4 AH 4 in initial set mode See IC 78 instruction manual p 32 for details IC M710 RT IC M700PRO In the IC M710 RT and IC M700PRO select the an tenna tuner type as AH 3 in initial set mode See IC M710 RT instruction manual p 13 or I
15. st Confirm that the through mast is electrically connected to sea water A WARNING When grounding to metal hull Use a Zinc anode to protect the hull from electroly sis Ask your technical dealer installer or refer to a tech nical book etc for RF ground details i a BH 2 INSTALLATIONS B installation outline CD Connect a control cable and 4 conductor shielded cable e Refer to Control cable below 2 Connect and solder the PL 259 connector to the coaxial cable 4 Connect the control cable and the coaxial between the transceiver and the AT 140 Refer to p 5 Cable connections 5 Connect an antenna ship s ground or counter poise Refer to p 1 Antenna for ship and p 2 Ground and Refer to p 4 PL 259 connector counterpoise 9 Mount the AT 140 in the desired location Refer to p 4 Mounting B Control cable OPC 566 forIC M710 RT M700PRO OPC 1147 for IC M802 Between the AT 140 and HF marine transceiver con nect 4 control signal lines as shown below To prevent RF feedback use a 4 conductor shielded cable Con nect the shield line to the GND terminal on the trans ceiver Icom offers 10 m 32 8 ft long optional control cables as at right Refer to p 6 Terminal information for details When connecting to Icom IC M802 To AT 140 To transceiver Use the optional OPC 1147 or as semble the desired length 4 con ductor shielded cable and th
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