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4
• Do not route wires where they will be exposed to high temperatures. If the
insulation heats up, wires may become damaged, resulting in a short circuit
or malfunction and permanent damage to the navigation system.
• Do not cut the GPS aerial cable to shorten it or use an extension to make it
longer. Altering the aerial cable could result in a short circuit or malfunc-
tion.
• Do not shorten any leads. If you do, the protection circuit (fuse holder, fuse
resister or filter, etc.) may fail to work properly.
• Never feed power to other electronic products by cutting the insulation of the
power supply lead of the navigation system and tapping into the lead. The
current capacity of the lead will be exceeded, causing overheating.
• The black lead is earth. Please earth this lead separately from the earth of
high-current products such as power amps. Do not earth more than one
product together with the earth from another product. For example, you
must separately earth any amplifier unit away from the earth of this naviga-
tion system. Connecting earths together can cause a fire and/or damage the
products if their earths became detached.
Before installing this navigation system
• This navigation system is for vehicles with a 12-volt battery and negative earthing.
Check the battery voltage of your vehicle before installation.
• To avoid shorts in the electrical sys-
tem, be sure to disconnect the (–)
battery cable before beginning
installation.
