Pioneer GM-D1004 Owner's Manual - Page 4
Before you start - install
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Section 01 Before you start ! When installing the amplifier, do not allow parts such as extra screws to get caught between the amplifier and the automobile. Doing so could cause malfunction. ! Do not allow this unit to come into contact with liquids. Electrical shock could result. Also, damage to this unit, smoke, and overheating could result from contact with liquids. The surfaces of the amplifier and any attached speakers may also heat up and cause minor burns. ! In the event of any abnormality, the power supply to the amplifier is cut off to prevent equipment malfunction. If this occurs, switch the system power off and check the power supply and speaker connections. If you are unable to determine the cause, please contact your dealer. ! Always disconnect the negative * terminal of the battery beforehand to avoid the risk of electric shock or short circuit during installation. ! Do not attempt to disassemble or modify this unit. Doing so may result in fire, electric shock or other malfunction. ! The amplifier will reduce the power output if the temperature inside the amplifier gets high. If the temperature gets too high, the power indicator will turn off, and the amplifier will shut down. Important (Serial number) The serial number is located on the bottom of this unit. For your own security and convenience, be sure to record this number on the enclosed warranty card. CAUTION ! Always keep the volume low enough to hear outside sounds. ! Extended use of the car stereo while the engine is at rest or idling may exhaust the battery. About the protection function This product has protection function. When this product detects something abnormal, the following functions will operate to protect the product and speaker output. ! The power indicator will turn off and the am- plifier will shut down in the situations outlined below. - If the temperature inside the product gets high. - If the speaker output terminal and speaker wire are short-circuited. - If a DC voltage is applied to the speaker output terminal. - If the battery voltage is outside of the use range. 4 En