[. . . ] However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. [. . . ] 3 Monitor Cameras VCR Extra monitor Alarm contact Cable Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Monitor System on/off Power save Brightness/Contrast Volume Talk Action Auto sequence Camera selection VCR Next camera input Doorbell Alarm Alarm programming Automatic alarm termination Premature alarm termination Alarm priority Tips for maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 g English · · · · · · · · · · · Read these instructions, before putting your system in operation. g 2 Installation When the configuration is altered, the system must be scanned again. Therefore always switch off the system by means of the rear power switch when a camera or accessory is added or removed. Remark: Only the inputs to which cameras are connected can be selected or used by the monitor. It is therefore useless to connect an accessory to an input to which no camera is connected. Cable A 4-wire system cable (see specifications) is supplied as standard. For optimum picture and sound quality, a standard dual 'twisted-pair' (telephone) cable should be used. There is an extensive range of plugs and tools available in the hobby and professional trade to extend the cable. Caution: The plugs used for the observation system have the same dimensions as standard telephone plugs. The maximum distance that can be bridged (without a cable extension adapter) between the monitor and the cameras is 300 meters. Monitor On the back of the monitor the following can be connected: Cameras Connect the camera to one of the camera inputs at the back of the monitor (fig. Correctly directing the camera at the object will be easier when the monitor is temporarily installed at the camera site. VCR For the recording and reproducing of pictures and sound a video recorder has to be connected to the input and output (VCR-audio/video in/out) on the back of the monitor (fig. The VCR output can also be used to connect other peripheral equipment. For example, a video printer for hard copies. Extra monitor You can connect an extra monitor to the slave-output (fig. The extra monitor gives exactly the same picture and sound as the basic monitor. [. . . ] Do not place the monitor in the immediate vicinity of a source of heating. Cleaning You can clean the system monitor with a moist, fluff-free cloth or chamois leather cloth. The outside of the camera can be cleaned with a moist, fluff-free cloth or chamois leather cloth. [. . . ]