Hyundai H-CMMD4040 - Manual (Page 3)

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Important safeguards
· Using the device at temperature below -10º may cause the breakage of the device. BEFORE USING
PLEASE HEAT UP THE PASSENGER COMPARTMENT TO THE RECOMMENDED TEMPERATURE!
· Read carefully through this manual to familiarize yourself with this high-quality sound system.
· Disconnect the vehicle's negative battery terminal while mounting and connecting the unit.
· When replacing the fuse, be sure to use one with an identical amperage rating. Using a fuse with a higher
amperage rating may cause serious damage to the unit.
· DO NOT attempt to disassemble the unit. Laser beams from the optical pickup are dangerous to the eyes.
· Make sure that pins or other foreign objects do not get inside the unit; they may cause malfunctions, or create
safety hazards such as electrical shock or laser beam exposure.
· If you have parked the car for a long time in hot or cold weather, wait until the temperature in the car
becomes normal before operating the unit.
· DO NOT open covers and do not repair yourself. Consult the dealer or an experienced technician for help.
· Make sure you disconnect the power supply and aerial if you will not be using the system for a long period
or during a thunderstorm.
· Make sure you disconnect the power supply if the system appears to be working incorrectly, is making an
unusual sound, has a strange smell, has smoke emitting from it or liquids have got inside it. Have a qualified
technician check the system.
· The unit is designed for negative terminal of the battery, which is connected to the vehicle metal. Please
confirm it before installation.
· Do not allow the speaker wires to be shorted together when the unit is switched on. Otherwise it may
overload or burn out the power amplifier.
· Do not install the detachable panel before connecting the wire.
· Don't remove the detachable panel when encoding.