Hyundai H-CMD4012 - Manual (Page 3)

3
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!
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.
Do not use the unit in places where it can be exposed to water, moisture and dust.
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.