Before you start

Composition of manual

This manual applies to the GM-5400T and GM- 3400T. However, the illustrations show the GM- 5400T.

There are differences between the GM-5400T and the GM-3400T . The differences for the GM-

3400T are as follows:

!Fuse: 25 A × 1

!There is no BFC (beat frequency control) switch.

!There is no BASS BOOST (bass boost level control) switch

!Suitable specification of speaker. Refer to About suitable specification of speaker on page 7.

!Location of Installation holes on the main unit.

Before connecting/ installing the amplifier

WARNING

!Handling the cord on this product or cords as- sociated with accessories sold with the pro- duct may expose you to chemicals listed on proposition 65 known to the State of California and other governmental entities to cause can- cer and birth defects or other reproductive harm. Wash hands after handling.

!The use of a special red battery and ground wire RD-223, available separately, is recom- mended. Connect the battery wire directly to the car battery positive terminal + and the ground wire to the car body.

!This unit is for vehicles with a 12 V battery and negative grounding. Before installing in re- creational vehicles, trucks or buses, check the battery voltage.

!Always use a fuse of the rating prescribed. The use of an improper fuse could result in

Section

01

overheating and smoke, damage to the pro-

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duct and injury, including burns.

 

!Check the connections of the power supply and speakers if the fuse of the separately sold battery wire or the amplifier fuse blows. Deter- mine and resolve the cause, then replace the fuse with identical equivalent.

!Do not allow this unit to come into contact with liquids. Electrical shock could result. Also, damage to this unit, smoke, and over- heating 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 un- able 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 installa- tion.

CAUTION

!Always keep the volume low enough so that you can hear sounds from outside the vehicle.

!Extended use of the car stereo while the en- gine is at rest or idling may exhaust the bat- tery.

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.

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