Hf automatic antenna tuner at-140 instruction manual.
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 operation. If you have any questions, contact your dealer. Important read all instructions carefully a...
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/n control cable . Length: 10 m (32.8 feet) w 50 Ω coaxial cable e two pl...
N antenna for land operation 1 1 antenna system n 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 mh...
2 1 antenna system n coaxial cable insulate the lead-in cable of the at-140 antenna termi- nal 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, ke...
2 3 installations n installation outline q connect the control cable and four conductor shielded cable. • refer to “control cable” as described below. W connect and solder the pl-259 connector to the coaxial cable. Refer to page 4, “pl-259 connector.” e mount the at-140 in the desired location. • re...
4 2 installations n pl-259 connector q slide the coupling ring down. Strip the cable jacket and tin the shield. W strip the cable as shown below. Tin the center conductor. 1–2 mm 10 mm tin e slide the connector body on and solder it. Solder solder r screw the coupling ring onto the connector body. N...
5 2 installations n mounting caution: mount the at-140 in a horizontal posi- tion or in a vertical position with the antenna termi- nal up. Mounting on a mast/metal pole mounting on a flat surface r warning! Mount the at-140 securely with the supplied nuts and bolts. Otherwise, vibrations and shocks...
6 3 control cable signals 6 n terminal information consider the following points when using a non-icom transceiver. Terminal description [key] key voltage. Grounded during tuning. Maximum current drain; 100 ma [13.6] 13.6 v dc + input terminal. Maximum current drain; 2 a [star] receives start voltag...
7 control cable signals 3 7 n transceiver setting ic-m700 with serial number 2500 and below in the ic-m700, change the [tune] switch set- ting from the “1” position to the “2” position. Confirm that the [key] switch is in the “2” position. See the ic-m700 instruction manual’s page 9 for details. [ke...
8 4 unit description and specifications antenna terminal mounting plate control cable receptacle antenna cable receptacle mounting plate ground terminal 230 mm; 9.1 inches 80 mm; 3.1 inches 91.5 mm; 3.6 inches 340 mm; 13.4 inches n specifications n unit description • frequency coverage : 1.6–30 mhz ...
1-1-32 kamiminami, hirano-ku, osaka 547-0003, japan a-6175h-1ex-r printed in japan © 2002–2010 icom inc. Printed on recycled paper with soy ink. Icom america inc. 2380 116th avenue ne, bellevue, wa 98004, u.S.A. Phone: +1 (425) 454-8155 fax: +1 (425) 454-1509 url: http://www.Icomamerica.Com e-mail: ...
