Icom IC-7600 Instruction Manual - Page 23
INSTALLATION AND CONNECTIONS, ■ Unpacking, ■ Selecting a location, ■ Grounding - antenna tuner range
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2 INSTALLATION AND CONNECTIONS ■ Unpacking ■ Antenna connection After unpacking, immediately report any damage to the delivering carrier or dealer. Keep the shipping cartons. For a description and a diagram of accessory equipment included with the IC-7600, see 'Supplied accessories' on p. i of this manual. ■ Selecting a location For radio communications, the antenna is of critical importance, along with output power and receiver sensitivity. Select antenna(s), such as a well-matched 50 ø antenna, and feedline. We recommend 1.5:1 or better of Voltage Standing Wave Ratio (VSWR) on your operating bands. The transmission line should be a coaxial cable. When using a single antenna, use the [ANT1] connector. Select a location for the transceiver that allows adequate air circulation, free from extreme heat, cold, or vibrations, and away from TV sets, TV antenna elements, radios and other electromagnetic sources. CAUTION: Protect your transceiver from light- ning by using a lightning arrestor. 1 2 The base of the transceiver has adjustable feet for desktop use. Set the feet to one of two angles PL-259 CONNECTOR INSTALLATION EXAMPLE 3 depending on your operating preference. q 30 mm Slide the coupling ring down. Strip the cable 4 jacket and soft solder. Coupling ring 10 mm (soft solder) 5 w 10 mm Soft solder Strip the cable as shown at left. Soft sol- 6 der the center con- 1-2 mm ductor. 7 ■ Grounding e solder solder Slide the connector 8 body on and solder it. To prevent electrical shock, television interference 9 (TVI), broadcast interference (BCI) and other prob- r lems, ground the transceiver through the GROUND Screw the coupling ring onto the connec- 10 terminal on the rear panel. tor body. For best results, connect a heavy gauge wire or strap 30 mm (9⁄8 in) 10 mm (3⁄8 in) 1-2 mm (1⁄16 in) 11 to a long ground rod. Make the distance between the [GND] terminal and ground as short as possible. 12 R WARNING: NEVER connect the [GND] Antenna SWR Each antenna is tuned for a specified frequency 13 terminal to a gas or electric pipe, since the connec- range and SWR may be increased out-of-range. tion could cause an explosion or electric shock. When the SWR is higher than approx. 2.0:1, the 14 [GND] transceiver's power drops to protect the final tran- sistors. In this case, an antenna tuner is useful 15 to match the transceiver and antenna. Low SWR allows full power for transmitting. The IC-7600 has 16 an SWR meter to monitor the antenna SWR contin- uously. 17 18 19 20 21 16