User manual LASONIC DVD-7990

[. . . ] Note to CATV system installer This reminder is provided to call the CATV system installer's attention to Section 820-40 of the NEC which provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as practical. Outdoor Antenna Grounding- If an outside antenna or cable system is connected to the video product, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and builtup static charges. Section 810 of the National Electrical Code, ANSI/NFPA No. 70-1984 (Section 54 of Canadian Electrical Code, Part1) provides information with respect 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. of overhead power lines, other electric light or power circuits, or where it can fall into such power lines or circuits. [. . . ] Conditions requiring service-unplug this video product from the wall outlet, refer servicing to qualified service personnel under the following conditions: A. If liquid has been spilled, or objects have fallen into the video product. If the video does not operate normally by following the instruction manual. . Adjust only those controls that are covered by operating instructions. Improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the video product to its normal operation. When the video product exhibits a distinct change in performance-this indicates a need for service. Replacement Parts-When replacement parts are required, have the service technician verify that the replacements he uses have the same safety characteristics as the original parts. Use of replacements specified by the video product manufacturer can prevent fire, electric shock, or other hazards. Safety Check-Upon completion of any service or repairs to this video product, ask the service technician to perform safety checks recommended by the manufacturer to determine that the video product is in safe operating condition. Wall or Ceiling Mounting- The product should be mounted to a wall or ceiling only as recommended by the manufacturer. radiators, heat registers, stoves, or other products (including amplifiers) that products heat. 19. are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the video product. 8. Ventilation- Slots and openings in the case are provided for ventilation to ensure reliable operation of the video product and to protect it from overheating. The openings should never be blocked by placing the video product on a bed, sofa, rug, or heat register. This video product should not be placed in a built-in installation such as a book case or rack, unless proper ventilation is provided or the video product manufacturer's instructions have been followed. 20. 9. Attachments- Do not use attachments unless recommended by the video product manufacturer as they may cause hazards. near a bath tub, wash bowl, kitchen sink or laundry tub, in a wet basement, or near a swimming pool and the like. Powerline operated equipment or accessories connected to this unit should bear safety certification mark on the accessory itself and should not be modified so as to defeat the safety features. [. . . ] Check if the system connection is proper and secure. Check if the connection cables are damaged. Please press OPEN button, then press PROGRAM and ZOOM button to return factory default status. Picture noise / distorted The disc is dirty or damaged. Try by connect player direct to the TV set, without via a VCR for example. Picture not full screen Select the screen format from the player's SETUP MENU, see "SETUP MENU" of this manual. Select the screen format from DVD disc menu. Problem message display on screen Following message will display when there is a problem with the loaded disc: "WRONG REGIONAL DISC " : Disc's region code dose not match to the player. [. . . ]