Important safety information12Care and maintenanceMaintenance is necessary if the device has beendamaged (e.g. damage to the power cable and plug, orthe housing), or if liquids or foreign bodies have got intothe interior of the device, or if it has been exposed to rainor damp, or if it does not work properly or has beendropped. When conducting maintenance work (e.g. cleaning),disconnect the device from the mains. If smoke, unusual noises or smells occur, switch thedevice off immediately and unplug from the socket. Insuch cases, the device should not be used until it hasbeen inspected by a qualified technician. Have all maintenance tasks carried out by qualifiedtechnicians only. Never open the housing of the device or accessories.If the housing is open there is the risk of fatal electricshock. Clean the device housing and the remote control witha damp cloth. Do not use solvents, white spirit, thinners etc. Thesemay damage the surface of the device. Do not use any of the following substances: Brine, insect spray, solvents containing chlorine oracids (ammonium chloride), or scouring powder. Rub the surface gently with the cotton cloth until it iscompletely dry.WarningThe device operates with a dangerous voltagelevel. The device should therefore only be openedby authorised technicians. All servicing andmaintenance tasks must be carried out byauthorised companies. Inadequate repair workcan cause a fatal hazard for the user.Accessories Only connect devices that are expressly suitable forthe intended purpose. Otherwise, hazardoussituations or damage to the device can occur.Start-up Observe all safety and operating instructions beforeoperating the device for the first time. Only open the housing to install the hard disk drive.WarningWhen installing the device in an existing videosurveillance system, ensure that all devices havebeen disconnected from the mains power circuitand low-voltage circuit.WarningIf in doubt, have a specialist technician carry outassembly, installation and connection of thedevice.Improper or unprofessional work on the powersupply system or domestic installation puts bothyou and other persons at risk.Connect the installations so that the mains powercircuit and low-voltage circuit always runseparatelyfrom each other. They should not be connected atany point or become connected as aresult of a malfunction.Children Do not allow electrical devices to be handled bychildren. Do not allow children to use electricaldevices unsupervised. Children may not properlyidentify possible hazards. Small parts may be fatal ifswallowed. Also keep packaging film away from children. Thereis the risk of suffocation. This device is not intended for children. If usedincorrectly, parts under spring tension may fly out andcause injury to children (e.g to eyes).