SoundMax SM-CCR3030 - Manual (Page 3)

3
Important safeguards
- Read carefully through this manual to familiarize yourself with this high-quality sound system.
- Use only in a 12-volt DC negative-ground electrical 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.
- 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.
- Keep the volume at a level at which you can hear outside warning sounds (horns sirens, etc.).
- 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.
- Stop the car before performing any complicated operation.
- The unit is only designed for use with 4 speakers. Do not combine output for use with 2 speakers. Do not
ground negative speaker leads to the chassis ground.
- Do not install the unit in place where it is exposed to direct sunlight (including the faceplate), in order to
avoid high heat.
- The faceplate is a precision piece of equipment that contains sensitive electronic components. Do not
subject it to excessive shock.
- Be careful not to drop or shock the unit strongly, it may break or crack because it contain glass parts.
- When extending the ignition, memory backup or ground cable, use diameter of 0.75 mm (AWG18) or more
automotive grade cable to avoid wire deterioration or damage to the wire coating