ViewSonic VT3745 VT3245, VT3745, VT4245 User Guide NT (Taiwan) Region (English - Page 6

ENGLISH Antenna Installation Instructions 1. Outdoor Antenna Grounding If an outside antenna or cable system is connected to the product be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built-up static charges, Article 810 of the National Electrical Code, ANSI/NFPA 70, provides information with regard to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, connection to grounding electrodes, and requirements for the grounding electrode. 2. Lightning For added protection for this product during a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the product due to lightning and power-line surges. Do not disconnect the antenna or the power cord during a heavy storm lighting may strike while you are holding the cable cord, causing serious injury; turn off your LCD Display and wait for the weather to improve. 3. Power Lines An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits, or where it can fall into such power lines or circuits, When installing an outside antenna system, extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal. Antenna Ground clamp Electric service equipment Ground clamps Antenna discharge unit Grounding conductors Power service grounding electrode system Cleaning the LCD Display • Make sure the LCD Display is turned off. • Never spray or pour any liquid directly onto the screen or case. To clean the screen: 1. Wipe the screen with a clean, soft, lint-free cloth. This removes dust and other particles. 2. If still not clean, apply a small amount of non-ammonia, non-alcohol based glass cleaner onto a clean, soft, lint-free cloth, and wipe the screen. To clean the case: 1. Use a soft, dry cloth. 2. If still not clean, apply a small amount of a non-ammonia, non-alcohol based, mild non-abrasive detergent onto a clean, soft, lint-free cloth, then wipe the surface. Disclaimer ViewSonic® does not recommend the use of any ammonia or alcohol-based cleaners on the LCD Display screen or case. Some chemical cleaners have been reported to damage the screen and/or case of the LCD Display. ViewSonic will not be liable for damage resulting from use of any ammonia or alcohol-based cleaners. ViewSonic  VT3245-NT/VT3745-NT/VT4245-NT