Instruction/ maintenance manual of the product ES90 JBL
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K e y Speci fication s F ini she s: C her r y, Beech and B lack 19 mm ( 3 / 4 " ) Po ly es t er-fi lm r ing -r adia to r ul tr ahig h- fr equen cy dr ive r w it h w avegu ide 19 mm ( 3 / 4 ".
Harman Consumer Group, Inc. 2, route de T ours, 72500 Château du Loir , France • 250 Crossways Park Drive, Woodbury , NY 11797, USA • 8500 Balboa Boulevard, Northridge, CA 91329, USA www .jbl.com © 2007 Harman International Industries, Incorporated.
An important point after buying a device JBL ES90 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought JBL ES90 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 JBL ES90 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, JBL ES90 you will learn all the available features of the product, as well as information on its operation. The information that you get JBL ES90 will certainly help you make a decision on the purchase.
If you already are a holder of JBL ES90, 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 JBL ES90.
However, one of the most important roles played by the user manual is to help in solving problems with JBL ES90. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device JBL ES90 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
