Instruction/ maintenance manual of the product 400.2 Directed Electronics
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model 400.2.
2 © 2002 Directed Electronics, Inc.
3 © 2002 Directed Electronics, Inc Limited T wo-Y ear Consumer W ar ranty . . . . . . . . . . . . . . . . . . . . . . . . .4 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 W arning . . . . . . . . . .
LIMITED TWO-YEAR CONSUMER W ARRANTY 4 © 2002 Directed Electronics, Inc Directed Electronics, Inc. promises to the original purchaser , to replace this product should it prove to be defective in workm.
© 2002 Directed Electronics, Inc 5 High-powered car audio systems may produce sound pressure levels that exceed the threshold at which hearing loss may result. They may also impair a driver’ s ability to hear traffic sounds or emergency vehi- cles.
6 © 2002 Directed Electronics, Inc INST ALLA TION GUIDELINES 1. Please read this owner’ s manual carefully before installing this ampli- fier . 2. Disconnect the batter y ground terminal prior to making any elec- trical connections.
7 © 2002 Directed Electronics, Inc generated. For low impedance speaker applications or restricted ventilation installations, an external cooling fan may be advisable.
8 © 2002 Directed Electronics, Inc 1. S S p p e e a a k k e e r r O O u u t t T T e e r r m m i i n n a a l l s s - Connect the speakers to these terminals. (Refer to the Speaker Connection section of this guide.) 2. R R e e m m o o t t e e T T u u r r n n O O n n - This terminal turns on the amplifier when (+) 12 volt is applied to it.
9 © 2002 Directed Electronics, Inc FIGURE 2—AMPLIFIER CONNECTIONS 400.2 REAR 4. ( ( + + ) ) 1 1 2 2 V V o o l l t t P P o o w w e e r r - Connect this terminal through a FUSE or CIRCUIT BREAKER to the positive terminal of the vehicle batter y or the positive terminal of an isolated audio system batter y .
10 © 2002 Directed Electronics, Inc TOP P ANEL CONTROLS FIGURE 3—AMPLIFIER CONTROLS TOP 4 1. I I n n p p u u t t G G a a i i n n A A d d j j u u s s t t m m e e n n t t - Controls amplifier sensitivity and is used to match the input level of the ampli- fier to the output level of the signal source.
11 © 2002 Directed Electronics, Inc Control Panel Cover The amplifier’ s gain and filter controls are mounted under the elliptical control panel cover .
SPEAKER WIRING DIAGRAMS 12 © 2002 Directed Electronics, Inc Simultaneous stereo/mono operation (bottom view) Stereo operation (bottom view) Mono operation (bottom view).
13 © 2002 Directed Electronics, Inc CROSSOVER SETTINGS AND GAIN ADJUSTMENT Y our Viper Audio power amplifier needs to be adjusted carefully to achieve maximum performance.
SPECIFICA TIONS 14 © 2002 Directed Electronics, Inc RMS continuous power per channel , both chan- nels driven into 4 ohms from 20 to 20,000 Hz, with less than 0.08% T otal Harmonic Distortion @ 14.4 VDC RMS continuous power per channel , both chan- nels driven into 2 ohms from 20 to 20,000 Hz, with less than 0.
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The company behind this system is Directed Electronics, Inc. Since its inception, Directed has had one purpose, to provide customers with the finest vehicle security , car stereo products, rear seat entertainment, and accessories available.
An important point after buying a device Directed Electronics 400.2 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Directed Electronics 400.2 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Directed Electronics 400.2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Directed Electronics 400.2 you will learn all the available features of the product, as well as information on its operation. The information that you get Directed Electronics 400.2 will certainly help you make a decision on the purchase.
If you already are a holder of Directed Electronics 400.2, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Directed Electronics 400.2.
However, one of the most important roles played by the user manual is to help in solving problems with Directed Electronics 400.2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Directed Electronics 400.2 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
