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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of JBL CVCEN50, 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.
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Unfortunately, only a few customers devote their time to read an instruction of JBL CVCEN50. 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.
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First and foremost, an user manual of JBL CVCEN50 should contain:
- informations concerning technical data of JBL CVCEN50
- name of the manufacturer and a year of construction of the JBL CVCEN50 item
- rules of operation, control and maintenance of the JBL CVCEN50 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of JBL CVCEN50 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 CVCEN50, 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 CVCEN50.
Why one should read the manuals?
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Table of contents for the manual
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Page 1
CVSA T50, CVCEN50, CVSUB50 CINEMA VISION ™ OWNER’S GUIDE ® CV OM 5/14/04 3:06 PM Page 1[...]
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Page 2
2 READ FIRST! Important Safety Precautions! 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 nea[...]
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Page 3
3 INCLUDED THANK Y OU 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 system you have chosen will provide every note of enjoy- ment that you expected – and that[...]
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Page 4
4 SPEAKER PLACEMENT SUBWOOFER SURROUND SPEAKERS † 5 – 6 ft 1.5 – 1.8m † FRONT SPEAKERS (0-2 ft) 0-0.6m The front speakers should be placed the same distance from each other as they are from the listening position. They should be placed at about the same height from the floor as the listeners’ ears will be, or they may be angled toward the[...]
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Page 5
5 MOUNTING OPTIONS On shelves using the optional CVTS50 table stands. On the wall. Wall brackets are included. On compatible floor stands avail- able from other manufacturers, using the supplied floor stand adaptors. SA TELLITES AND SURROUNDS Important Safety Notes: • The table stand consists of two main parts: a metal col- umn and a glass base. [...]
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Page 6
6 MOUNTING THE SA TELLITES ON OPTIONAL FLOOR ST ANDS Important Safety Note: The supplied floor stand adaptors facilitate installation with a variety of general- purpose floor stands available from many manufacturers. Since different stands will have different weight capaci- ties and stability characteris- tics, it is the customer’ s responsibilit[...]
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Page 7
7 Important Safety Note: The customer is solely responsible for proper selec- tion of mounting hardware not included with the speak- ers, and for proper assembly and installation of the wall brackets, including but not limited to the selection of appropriate weight-bearing supports and proper use of the bracket. JBL disclaims any liability for the [...]
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Page 8
8 CONNECTION TIPS SPEAKER CONNECTIONS Separate and strip the ends of the speaker wire as shown. The wires sup- plied with the system may already be stripped and tinned for easy insertion into the speaker terminals. Y ou may need to separate the two conductors further in order to thread them through the shelf stand or floor stand adaptor . Speakers [...]
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Page 9
9 The CVSUB50 subwoofer is equipped with only one input – a dedicated low- frequency effects (LFE) input. Since the LFE channel is by definition limited to only the lowest portion of the fre- quency spectrum, it is cru- cial that your receiver’ s out- put be compatible. The CVSUB50 should only be used with receivers or processors that have digi[...]
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Page 10
10 SUBWOOFER OPERA TION Press the Master Power switch (marked “Power” å ) in to the On position to use the subwoofer . The CVSUB50 subwoofer will automatically turn on or go into standby (sleep) mode as described below . When your receiver or amplifier is off, or is not sending program material to the subwoofer , the sub- woofer will be in sta[...]
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Page 11
If there is no sound from any of the speakers: • Check that receiver/ampli- fier is on and a source is playing. • Check that the powered subwoofer is plugged in, and is turned on (Power switch å pushed in). • Check all wires and con- nections between receiver/ amplifier and speakers. Make sure all wires are con- nected. Make sure none of the[...]
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Page 12
12 System Frequency Response 22Hz – 20kHz (–6dB) CVSA T50 Maximum Recommended Amplifier Power 150 W atts** Power Handling 50W Continuous/300W Peak Frequency Response 55Hz – 30kHz (–6dB) Nominal Impedance 8 Ohms Sensitivity 90dB @ 1 W att/1 meter Tw eeter One 3/4" (19mm) titanium-laminate dome, video-shielded W oofers Dual 5" (130m[...]