Instruction/ maintenance manual of the product 231 Harman-Kardon
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User Manual 2-Series Graphic Equalizers 131 215 231 ®.
2 W ARNING FOR YOUR PROTECTION PLEASE READ THE FOLLOWING: KEEP THESE INSTRUCTIONS HEED ALL W ARNINGS FOLLOW ALL INSTRUCTIONS DO NOT USE THIS APP ARA TUS NEAR W A TER CLEAN ONL Y WITH A DRY CLOTH. DO NOT BLOCK ANY OF THE VENTILA TION OPENINGS. INST ALL IN ACCORDANCE WITH THE MANUF ACTURER’S INSTRUCTIONS.
3 U.K. MAINS PLUG W ARNING A molded mains plug that has been cut off from the cord is unsafe. Discard the mains plug at a suitable disposal facility . NEVER UNDER ANY CIRCUMST ANCES SHOULD YOU INSERT A DAMAGED OR CUT MAINS PLUG INTO A 13 AMP POWER SOCKET .
4 User Manual 2-Series Ta b le of Contents Safety Info ...............................................................3 Service Contact Info ...............................................4 W arranty ...................................................
5 User Manual 2-Series Wa r ranty This warranty is valid only for the original purchaser and only in the United States. 1. The warranty registration card that accompanies this product must be mailed within 30 days after purchase date to validate this warranty.
6 User Manual 2-Series Congratulations on your purchase of a dbx 2-Series Graphic Equalizer . The 2-Series represents a major step forward in the performance of entry-level graphic equalizers.
7 User Manual 2-Series Operating Contr ols Fr ont P anels Input Gain Control: This control sets the signal level to the equalizer . It is capable of - 12dB to +12dB of gain. Its effect is apparent by viewing the OUTPUT LEVEL BAR GRAPH. EQ Bypass: This switch removes the graphic equalizer section from the signal path.
8 User Manual 2-Series C ONNECTING T HE EQ T O Y OUR S Y STEM The 2-Series Equalizers have balanced inputs and impedance balanced outputs that can be used with any balanced or unbalanced line-level device. To connect the equalizer to your sound system refer to the following steps: • T urn off all equipment before making connections.
9 User Manual 2-Series Po w er Switch (231 only): Switches the power on and off. Always make audio con- nections with the power switch in the OFF position.
10 User Manual 2-Series Insert the graphic equalizer between the signal source (usually a mixer) and the power amplifiers (or the crossover if there is one). Adjust the level and equalization as required to yield the desired system response. For optimum signal-to-noise response, the gain structure of the sound system must be properly set up.
A Harman International Company 18-1333-A ® The Professional’ s Choice In Signal Processing Available Through CP Communications - www.cpcomms.com.
An important point after buying a device Harman-Kardon 231 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Harman-Kardon 231 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 Harman-Kardon 231 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Harman-Kardon 231 you will learn all the available features of the product, as well as information on its operation. The information that you get Harman-Kardon 231 will certainly help you make a decision on the purchase.
If you already are a holder of Harman-Kardon 231, 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 Harman-Kardon 231.
However, one of the most important roles played by the user manual is to help in solving problems with Harman-Kardon 231. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Harman-Kardon 231 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
