Keep the unit in a dry place with prevention of any inner parts get wet, which may effect operation.
1. To place the device in an area to prevent any collission and concussion, as it may cause break to the unit case.
2. Use a soft cloth to remove the dust on the unit surface, never use detergent or chemical solvent, it may be possible to erode the unit suface and inleak the unit and do damages to the inner parts.
If there is a malfunction of the unit, do not attempt to dismantle or repair the unit at your discretion, but send the unit to the maintenance center or distributors for help.
2)Keep the unit in a dry place so as not to arrange it geeting wet avoid impacting normal operation.
3)After fixing the device,it should evade all the collissions and concusssions to prevent it.
4)If there is dust on the surface of the unit,plasse use the soft delaine to clean it,be careful!It can be washed by detergent or chemical solvent in order not to erode the unit surface or inleak the unit and do damages to the inner parts.In case there is a malfunction of the unit,do not attempt to dismantle or repair the unit at your discretion, send it to the maintenance center or contact distributors for helps.