User manual ICOM AT-180

[. . . ] Full automatic tuning Just push the [TUNE] switch on the transceiver, and the AT-180 adjusts immediately to the minimum SWR of any frequency on any HF marine band. HF operation on any size ship The AT-180 allows you HF operation where antenna element length is restricted due to space. Weather resistant The AT-180 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. [. . . ] Tuner through function The tuner through function is built into the AT-180. This function helps improve receiver gain, depending on the antenna element length used, and operating frequency. TABLE OF CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 UNIT DESCRIPTION AND SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 ii 1 ANTENNA SYSTEM I Antenna for ship Required antenna element length Required antenna element length to achieve full performance varies according to the lowest frequency: The lowest frequency Required antenna element length 1. 6 MHz band 4 MHz band 7 m; 23. 0 feet or longer 3 m; 9. 8 feet or longer Backstay operates as a long-wire antenna. Insulator The longer the antenna element, the better the antenna efficiency. Undesirable antenna element lengths AVOID multiples of 1/2 (half wavelength) for antenna 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, . . . ) L= 300 1 × ×n 2 f Insulator Whip antenna [Example] At an operating frequency of 16 MHz, avoid the following antenna element lengths: L= 1m 300 1 × ×n 2 16 39 inches 9. 4, 18. 8, . . . For example, if 15 m is selected for an antenna element length, you have no problem in the 1. 6­25 MHz marine bands range. NOTE: Keep antennas as far away from other objects as possible, especially metal objects. I Antenna for land operation In some countries, HF transceivers can be used for land mobile operation. Ask your Icom Dealer for details, 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. Refer to the AH-2b instruction manual for the AH-2b and AT-180 installation to your vehicle. To achieve full performance, refer to "Required antenna element length" above. AH-2b 1 ANTENNA SYSTEM 1 I Coaxial cable Insulate the lead-in cable of the AT-180 antenna terminal and antenna element from other metal objects. To prevent interference, keep cables as far as possible from an antenna, electric pump and other electronic equipment. 6 "Terminal information" for details. To AT-180 [E] [13. 6] [STAR] [KEY] : : : : Black Red White Green [E] [13. 6] [STAR] [KEY] : : : : Black Red White Green [GND] [GND] OPC-1147 OPC-1147N D When connecting to Icom IC-M710/RT, IC-M700PRO Use the optional OPC-566/1147/N (either the connector to the AT-180 or the transceiver requires assembly), or assemble the desired length 4-conductor shielded cable and the connector kits supplied with the transceiver and the tuner. To AT-180 [STAR] : White [KEY] : Green To transceiver [E] [13. 6] [STAR] [KEY] : : : : Black Red White Green [13. 6] [E] : Red : Black [GND] [GND] OPC-1147 OPC-1147N D When connecting to Icom IC-M700/TY, IC-78 Use the optional OPC-1147/N (this connector only requires assembly), or assemble the desired length 4conductor shielded cable and the connector kits supplied with the transceiver and the tuner. To AT-180 To transceiver [E] [13. 6] [STAR] [KEY] : : : : Black Red White Green [E] [13. 6] [STAR] [KEY] : : : : Black Red White Green [GND] [GND] OPC-1147 OPC-1147N 3 INSTALLATIONS 2 I 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. Coupling 30 mm e Slide the connector body over the cable and solder as shown below. Solder Solder r Screw the coupling ring onto the connector body. 10 mm (soft solder) w Strip the cable as shown below. Soft solder the center conductor the entire length of the exposed braid. 10 mm 10 mm 3/8 1­2 mm soft solder inches I Mounting Attach the AT-180 either horizontally or vertically with one of the water drains facing downwards. After mounting, remove the screw in the water drain. Mounting on a flat surface Using nuts and bolts Using self-tapping screws Mounting on a Mast/Metal pole Mast/ Using Metal pole U-bolt U-bolt plate Flat washer(L) Spring washer Flat washer(S) Nut Nut Flat washer(S) Spring washer Flat washer(L) U-bolts WARNING: Mount the AT-180 securely with the supplied nuts and bolts. could loosen the antenna tuner making if fall, causing personal injury. Flat washer(L) Hex head bolt Weatherproof cap Drill a hole here Diameter:7­8 mm; 9/32­5/16 inches 4 2 INSTALLATIONS I Cable connections q Connect the coaxial cable and the control cable to the AT-180 as illustrated below. w Cover both the antenna and the control cable connectors with rubber vulcanizing tape and fix it with a vinyl tape to prevent water seeping into the connector. r Connect the coaxial cable and the control cable to the transceiver as illustrated below. t Ground the transceiver, AT-180 and shield cable of the control cable via the ground terminal. · See pgs. 2 and 7­10 for grounding details. IMPORTANT!-- AT-180 NEVER ground the AT140 via the mounting plate. IC-M802 In the IC-M802, select the antenna tuner type as "AT140" in initial set mode. [. . . ] 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-180 with IC-M700/TY. IC-78 In the IC-78, select the antenna tuner type as "4* (AH4)" in initial set mode. 32 for details. 7 UNIT DESCRIPTION AND SPECIFICATIONS I Unit description 340 mm; 13. 4 in 4 in 230 mm; 9. 1 80 mm; 3. 1 in Ground terminal Mounting plate Water drain screw Antenna cable receptacle Control cable receptacle Antenna terminal Mounting plate 91. 5 mm; 3. 6 in I Specifications · Frequency coverage · Power supply requirement · Current drain · Operating temperature range · Weight · Antenna connector · Max. [. . . ]