2 | EnglishSafety precautions2 CAUTIONTo prevent damage to the machine, takethe following precautions:• Make sure to ground the unit to a negative 12VDC power supply.• Do not install the unit in a spot exposed to directsunlight or excessive heat or humidity. Also avoidplaces with too much dust or the possibility ofwater splashing.• When replacing a fuse, only use a new fuse withthe prescribed rating. Using a fuse with the wrongrating may cause your unit to malfunction.• Do not use your own screws. Use only the screwsprovided. If you use the wrong screws, you coulddamage the unit.2 WARNINGTo prevent injury or fire, take thefollowing precautions:• To prevent a short circuit, never put or leave anymetallic objects (such as coins or metal tools)inside the unit.• Do not watch or fix your eyes on the unit’s displaywhen you are driving for any extended period.• Mounting and wiring this product requiresskills and experience. For safety’s sake, leave themounting and wiring work to professionals.• Do not touch the liquid crystal fluid if the LCDis damaged or broken due to shock. The liquidcrystal fluid may be dangerous to your health oreven fatal.If the liquid crystal fluid from the LCD contactsyour body or clothing, wash it off with soapimmediately.