Hyundai H- CDM8039 - Manual (Page 3)

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Important safeguards
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.
Do not use the unit in places where it can be exposed to water, moisture and dust.