Nyrius NY-LED1980N User Manual
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Contents
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- 22 -RECEPTION DISTURBANCESMost types of television interference can be remedied by adjusting the height and position of the VHF/UHF antenna. Outdoor antennas are recommended for best results. The most common types oftelevision interference are shown below. If one of these symptoms appear when the TV is connected toa Cable TV system, the disturbance may be caused by the local Cable TV company broadcast.IGNITIONBlack spots or horizontal streaks may appear, the picture mayflutter or drift. Usually caused by interference from automobileignition systems, neon lamps or AC powered tools and appliancessuch as drills or hair dryers.GHOSTSGhosts are caused by the television signal following two paths.One is the direct path and the other is reflected by tall buildings,hills or other large objects. Changing the direction or position of theantenna may improve the reception.SNOWIf the TV is located far from the TV station, in a fringe receptionarea where the signal is weak, small dots may appear in thepicture. If the signal is extremely weak, the installation of a largerexternal antenna may be necessary.RADIO FREQUENCY INTERFERENCE (RFI)Caused by two-way radios, this type of interference producesmoving ripples or diagonal streaks in the picture. Some cases maycause a loss of contrast in the picture. Changing the direction andposition of the antenna or installing an RFI filter may improve thepicture.PICTURE SIZE VARIATIONA slight picture size variation is normal when you adjust theCONTRAST or BRIGHTNESS settings.CARE AND MAINTENANCETo prevent fire or shock hazard, disconnect the TV from the power source before cleaning. The finishon the cabinet may be cleaned with mild soap and a soft, damp cloth and cared for as other furniture.Use caution when cleaning or wiping the plastic parts. |
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