Sharp LC-20D30U LC-20D30U Operation Manual - Page 11

Preparation (Continued) Antenna Connection ANTENNAS • The antenna requirements for good color television reception are more important than those for black & white television reception. For this reason, a good quality outdoor antenna is strongly recommended. The following is a brief explanation of the type of connections that are provided with the various antenna systems. 1. A 75-ohm system is generally a round cable with F-type connector that can easily be attached to a terminal without tools (not supplied). F-type connector 2. A 300-ohm system is a flat "twin-lead" cable that can be attached to a 75-ohm terminal through a 300/75-ohm adapter (not supplied). 75-ohm coaxial cable (round) 300-ohm twin-lead cable (flat) OUTDOOR ANTENNA CONNECTION • Use one of the following two diagrams if you connect an outdoor antenna. A: Using a VHF/UHF combination outdoor antenna B: Using separate VHF and/or UHF outdoor antennas • Connect the outdoor antenna cable lead-in to ANT (Antenna terminal) on the rear of the main unit. A. Combination VHF/UHF antenna VHF/UHF antenna 300/75-ohm adapter (not supplied) or VHF/UHF antenna 300-ohm twin-lead 75-ohm coaxial cable Pull down the hook to open the cover. ANT. (Antenna terminal) B. Separate VHF and/or UHF antennas VHF UHF antenna antenna 300-ohm twin-lead 300-ohm twin-lead or 75-ohm coaxial cable Combiner (not supplied) IN OUT Antenna Cable (commercially available) NOTICE F-type connector F-type connector should be finger-tightened only. 75-ohm coaxial cable When connecting the RF cable to the LCD TV set, do not tighten F-type connector with tools. If tools are used, it may cause damage to your LCD TV set. (breaking of internal circuit, etc.) 9