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Фрагмент инструкции
For the policy of continual product improvement,EverFocusreserves the right to make changes to the product specifications and documentation without notice. All the components of the products, including accessories, components, and outlook, are based on the agreements if each deals to satisfy all kinds of users. Meanwhile, please be advised that every steps of operation must follow the instruction of this manual to keep EverPlex4BQ working under the best condition. Please notice thatEverFocuswill not be charged any claims or renewing cases resulted from inappropriate operation. C Table of ContentSafety Warning...........................................................................................................1Introduction................................................................................................................2Specification...............................................................................................................3Chapter I Front Panel Keypads.....................................................................41. Full Screen.........................................................................................................42. Quad Display.....................................................................................................43. Sequential Seitching..........................................................................................44. VCR Playback……….......................................................................................4Chapter II Back Panel Function......................................................................51. BNC Connectors................................................................................................51.1 Video In.........................................................................................................51.2 Video Out......................................................................................................51.3 Monitor .........................................................................................................51.4 VCR out........................................................................................................51.5 VCR In ......................................................................................................52. Level.........................................................................................................53. Terminator On/off..............................................................................................54. Alarm time.........................................................................................................65. Switch Time.......................................................................................................66. VCR Level.........................................................................................................67. Power .........................................................................................................68. Alarm Connectors (DB-15)...............................................................................68.1 Alarm out......................................................................................................7 8.1.1 Normally Open Connection................................................................7 8.1.2 Normally Closed Connection..............................................................78.2 Alarm in........................................................................................................8 Text Box: 1 1. To prevent fire or shock hazard, do not expose this equipment tothe environment of high humidity and dust. Do not use it in an unprotected outdoor installation or any area classified as a wet area. 2. Installation environment: The temperature should be kept between0oC ~ +50oC3. For safety sake, do not disseminate the unit or put it on an unstable base. 4. Ventilation: Openings in the enclosure are provided for ventilation and to ensure reliable operation of the unit and to protect it from overheating. These openings must not be blocked or covered. This unit should not beplaced in abuilt-in installation unless proper ventilation is provided. 5. Cleanse: Unplug the unit from the outlet before cleansing. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth to clean it. 6. Overload: Do not overload outlets and extension cords as this may result in arisk of fire or electric shock. 7. Power-cord Protection: Power-supply cords should be routed so that they 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 appliance. 8. Object and Liquid Entry: Never push objects of any kind into this unit through openings as they may touch dangerous voltage points or short-out parts that could result in a fire or electric shock. Never spill liquid ofany kind on the unit. 9. Se...