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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of JBL HTPS-400, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of JBL HTPS-400 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of JBL HTPS-400. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of JBL HTPS-400 should contain:
- informations concerning technical data of JBL HTPS-400
- name of the manufacturer and a year of construction of the JBL HTPS-400 item
- rules of operation, control and maintenance of the JBL HTPS-400 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of JBL HTPS-400 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of JBL HTPS-400, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the JBL service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of JBL HTPS-400.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the JBL HTPS-400 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
X + 0 + Y 2 0 M HZ X + 0 + Y 2 0M HZ ” X + 0 + Y 2 THANK YOU FOR CHOOSING JBL For more than 50 years, JBL has been involved in every aspect of music and film recording and reproduction, from live performances to the recordings you play in your home, car or office. W e’re confident that the JBL loudspeakers you have chosen will provide every not[...]
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2 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water . 6. Clean only with a dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’ s instructions. 8. Do not install near any heat sources such as radiators, heat[...]
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3 UNP ACKING Feet Y our HTPS-400 subwoofer is equipped with 2 sets of feet for use depending on the type of surface the subwoofer will be placed on. Enclosed with this manual is a set of rubber self-adhesive feet for use on hard surfaces, such as wood or tile floors, and a set of spiked feet for use on carpeted surfaces. T o install the feet, set t[...]
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4 HOOKUP Line-Level Inputs Subwoofer Out THX®-Certified Receiver/Pr ocessor OFF AUT O ON OUT IN 0 ° THX 180 ° NORMAL MIN. MAX. 50Hz 150Hz GREEN–ON RED–ST ANDBY LINE PHASE GAIN CROSSO VER EQ THX Mode: If your surround processor/ receiver is THX-certified: Note: When the THX/Normal switch is set to “THX,” the subwoofer’ s internal crosso[...]
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5 Normal Mode: Use this hookup for all non- THX processors, including Dolby* Digital, DTS ® , Dolby Pro Logic* or stereo. Note: If using Dolby Digital or DTS, set the crossover frequency knob fully clockwise to the maximum position. Make sure the THX/Normal switch is in the Normal position. . Subwoofer Out Receiver/Amplifier OFF AUT O ON OUT IN 0 [...]
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6 OPERA TION The HTPS-400 contains a signal-sensing auto turn-on/ turn-off circuit. This feature will automatically turn the subwoofer on when you turn your system on with the power switch in the “Auto” position and begin playing any program material. The subwoofer will return to standby mode when no signal is received for approximately 15 minu[...]
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TROUBLESHOOTING The Phase switch is used to adjust the relative polarity of the subwoofer to the other speakers. When the speakers are out of phase, the low- frequency sound waves will cancel each other out, reducing bass response. The HTPS-400 provides a convenient phase switch that allows you to remedy this situation without relocating the speake[...]
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JBL Consumer Products 250 Crossways Park Drive, Woodbury , NY 11797 85 00 Balboa Boulevard, Northridge, CA 913 29 800-336-4JBL (4525) (USA only) www.jbl.com © 2003 Harman International Industries, Incorporated. JBL is a registered trademark of Harman International Industries, Incorporated. Part No. 336077-001 DESIGN GOAL: Bring the thrill of live [...]