5XOMAXX M - R S U 2 2 1 B TDETopic:Safety instructions and precautionsSafety instructions andprecautions! Handling by stop onlyTo avoid any accidents please don'thandle the unit while you driving.Please stop and park the vehicleat safety place and handle the unitcasually.! InstallationPlease read the following manualcarefully before you install theunit. We recommend you to let thetechnician install the unit in yourvehicle.! Regular loudnessPlease set the loudness of the unitto the appropriate level so you werestill able to hear exterior noisesespecially traffic warning signals.Furthermore the higher loudnesslevel can damage your hearingorgans.! Repair of the unitDo not open the unit. Do not try torepair the unit by yourself due toany emerging technical problems.While opening the unit by yourselfexists the danger to be electrocuted.Do not use the unit any further sinceyou detect any kind of technicalproblems. Leave all the repair opera-tions to professional technicians.Due to flawed warranty seal thewarranty becomes invalid.! Power supplyUse the unit connected only to 12 Volton-board power supply. The minus (-)should be connected with the ground(GND) (negative).Due to the wrong grounding exists thedanger of fire. In case of doubt pleaseconsult with professional technicians.! Replacement of fusesWhile replacing the fuse please makesure that the new fuse has the sameproperties as the old one, especially theamperage.! OverheatingDo not occlude the vent holes to avoidthe heat generation and accumulationin the unit. Otherwise exists the dangerof fire.! Regular temperaturePlease make sure that the temperatureinside the vehicle amounts to not morethan +60 C. If it's too hot inside thevehicle, do not turn the unit on untilthe inside temperature of the cabindescends.!