Icom AT-140 Instruction Manual

Text of Icom AT-140 User Guide:

• Icom AT-140, i 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 R DANGER HIGH VOLTAGE! NEVER touch the antenna terminal, gr

• Icom AT-140, ii MISCELLANEOUS ITEMS The following parts are additionally required for instal- lation, but are not supplied with the AT-140. Purchase these parts locally. q AWG 14×4-conductor shielded cable *Icom offers an optional OPC-1147 CONTROL CABLE . Length: 10 m; 32.8 feet w 50 Ω coaxial cable e 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. 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-14

• Icom AT-140, 1 1 ANTENNA SYSTEM ■ Antenna for ship Required antenna element length Required antenna element length to achieve full per- formance varies according to the lowest frequency: The longer the antenna element, the better the an- tenna efficiency. Undesirable antenna element lengths AVOID multiples of 1 ⁄2λ (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, ...) [Example] At an operating frequency of 16 MHz, avoid the fol- lowing antenna element lengths: For example, if 15 m is selected for an antenna ele- ment length, you have no problem in t

• Icom AT-140, 2 1 ANTENNA SYSTEM ■ 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. 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. ■ Ground and counterpoise Why a ship’s ground is required The AT-140’s ground terminal MUST be connected to your ship’s ground.

• Icom AT-140, 2 3 INSTALLATIONS ■ Installation outline q Connect a control cable and 4-conductor shielded cable. • Refer to “Control cable” below. w Connect and solder the PL-259 connector to the coaxial cable. • Refer to p. 4 “PL-259 connector.” e Mount the AT-140 in the desired location. • Refer to p. 4 “Mounting.” r Connect the control cable and the coaxial between the transceiver and the AT-140. • Refer to p. 5 “Cable connections.” t Connect an antenna, ship’s ground or counter- poise. • Refer to p. 1 “Antenna for ship” and p. 2 “Ground and coun

• Icom AT-140, 4 2 INSTALLATIONS ■ PL-259 connector q Slide the coupling ring over the coaxial cable. Strip the cable jacket and pull back to reveal 10 mm of braid. • Soft solder the exposed braid and then pull out the jacket. w Strip the cable as shown below. Soft solder the cen- ter conductor the entire length of the exposed braid. e Slide the connector body over the cable and sol- der as shown below. r Screw the coupling ring onto the connector body. Solder Solder 1–2 mm 10 mm soft solder 10 mm 3 ⁄8 inches Coupling 30 mm 10 mm (soft solder) ■ Mounting Attach the AT-140 either ho

• Icom AT-140, 5 2 INSTALLATIONS ■ Cable connections q Connect the coaxial cable and the control cable to the AT-140 as illustrated below. w Cover both the antenna and the control cable con- nectors with rubber vulcanizing tape and fix it with a vinyl tape to prevent water seeping into the con- nector. e Fix both of the coaxial and control cables to pro- tect the inside connections. DO NOT pull the antenna and control cable re- ceptacles. This may cause disconnection (in the AT-140), internal connector damaged or bad connection. r Connect the coaxial cable and the control cable to the transceiver as illustrated below. t Ground the transceiver, AT-140 an

• Icom AT-140, 3 6 CONTROL CABLE SIGNALS ■ Terminal information Consider the following points when using a non-Icom transceiver. Start voltage [STAR] When a start voltage (less than 1 V) is received, the AT-140 begins automatic tuning. Key voltage [KEY] During automatic tuning, the AT-140 grounds the key voltage line, and the HF transceiver reduces output power. If the key voltage is more than 8 V, switch the mode switch (S1) to OFF mode (lower position). 8 6 4 2 0 Time Key voltage [V] Grounded Approx. 7.5 V During automatic tuning 8 6 4 2 0 Time More than 350 msec.* Approx. 7.5 V Less than 1 V to start tuning Start voltage [V] *For tuner through operation; Less than 250 msec. [KEY] [

• 7 3 CONTROL CABLE SIGNALS ■ 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. Other IC-M700 and IC-M700TY Nothing necessary to set. However, th

• Icom AT-140, 8 4 UNIT DESCRIPTION AND SPECIFICATIONS Antenna terminal Mounting plate Control cable receptacleAntenna cable receptacle Mounting plate Water drain screw Ground terminal 340 mm; 13.4 in 230 mm; 9.1 in 80 mm; 3.1 in 91.5 mm; 3.6 in ■ Specifications ■ Unit description • 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. 2 A • Operating temperature range : –30°C to +60°C (–22°F to +140°F) • Weight : 2.5 kg; 5.5 lb • Antenna connector : SO-239 (50 Ω) • Max. Input power : 150 W (PEP) 100 W (continuous) • Automatic tunin

• 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003 Japan 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 (Europe) GmbH Communication Equipment Himmelgeister S

More Instructions:

	Icom AT-140 Service manual 20-01-2024 23	DOWNLOAD
	Icom AT-140 Instruction manual 16-01-2023 16	DOWNLOAD
	Icom AT-140 Instruction manual 12-08-2023 12	DOWNLOAD

Related Products and Documents (TV Receiver):

Comparable Devices:

Similar Resources:

• AT&T U-verse TV (2 pages) In the box:Before you begin:1. Check your service activation date.Do not attempt to install your services until 8pm or later on the date provided to you by AT&T. This date is also located on your packing slip.2. Do you have a monitored home security system or health alarm?If either of these apply to you, you will need an AT&T technician to install …

• Samsung CT3338FX/XAP (36 pages) COLOR TELEVISION RECEIVERChassis : K15DModel : CT3338FX/XAPCT5038FX/XAPCT2088BLFX/XAPCT20D8BWFX/XAPCOLOR TELEVISION RECEIVER CONTENTSPrecautionsSpecifications and IC DataDisassembly and ReassemblyAlignment and Adjustment TroubleshootingExploded View and Parts ListElectrical Parts ListBlock DiagramWiring DiagramSchematic Diagrams1.2.3.4.5.6.7.8.9.10. …

• Avermedia AVerTV Combo PCI-E (2 pages) AAAVVVeeerrrTTTVVV CCCooommmbbbooo PPPCCCIII---EEE (((MMM777888000))) Double your vision with theAVerTV Combo PCI-ECard!At A Glance z NTSC Analog TV z ATSC Digital TV z Stereo sound z High Definition (HDTV) quality support up to 1080i/720p z 32/64-Bit driver support z MPEG-2 hardware encoder z Windows XP / XP MCE z Windows® Vista Premium Cert …

• Bush BFSAT01SD (12 pages) BFSAT01SDdigital boxInstruction ManualIMPORTANT: Please read all instructions carefully before use and keep for future reference.BFSAT01SD IB-Rev4-090908.indd 1 09/09/2008 14:57:00 …

• Conceptronic CTVDIGRCU (78 pages) NEDERLANDS 1 Conceptronic CTVDIGRCU versie 4.0 Gebruiksaanwijzing Gefeliciteerd met uw nieuwe Conceptronic Digitale USB TV ontvanger In deze gebruiksaanwijzing vindt u stap-voor-stap instructies voor installatie en gebruik van de Conceptronic Digitale USB TV ontvanger. Als u meer informatie of ondersteuning voor uw product nodig heeft, kunt u het beste …

• Kramer PT-871/2-KIT (18 pages) P/N: 2900-300716 Rev 1 www.kramerAV.com USER MANUAL MODEL: PT-871/2-KIT, PT-871/2xr-KIT, WP-871xr, PT-872xr HDMI Line Transmitters and Receivers over Long-Reach DGKat …

Comments, Questions and Opinions: