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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of JBL MR-17, 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 MR-17 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 MR-17. 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 MR-17 should contain:
- informations concerning technical data of JBL MR-17
- name of the manufacturer and a year of construction of the JBL MR-17 item
- rules of operation, control and maintenance of the JBL MR-17 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 MR-17 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 MR-17, 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 MR-17.
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 MR-17 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
Revised 28 / April / 05 This product is sold and serviced exclusively by Prospec Electronics Inc. and must be returned to Prospec for in and out of warranty repairs. It can not be serviced under warranty by other JBL service centers. All products sold and serviced exclusively by Prospec Electronics Inc. For service contact us : 3325 South Morgans P[...]
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Page 2
¦Ì Poor atmospheric conditions - Try again later in the day Antenna / lead broken or damaged INTERFERENCE ON RADIO Power Output : 4 x 45 watts Power Supply : DC + 12V Negative Ground Speaker Impedance: 4 ohm Tuning Range : 530 ~ 1710KHz(USA) 522 ~ 1620KHz(EUR) Sensitivity : 35dB / uV Tuning Range : 87.5 ~ 107.9MHz(USA) 87.5 ~ 108MHz(EUR) Sensitiv[...]
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Page 3
Contents 1 2 3 4 5 6 7 8-9 10 11 12 13 Contents Wiring Installing and Removing the Detachable Face Important Notes Installation Supporting the Unit Identification of Controls and Functions Controls Station Tuning Operating the CD & CD Changer Precautions and Maintenance Trouble Shooting Guide & Specifications Identification PLEASE NOTE: In [...]
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Page 4
2 11 Installation Notes Applicable to both 2 and 4-speaker connection: A. Connections B. Din cable connection for remote control C. Din cable connection for SIRIUS control D. AUX-IN E. CD changer socket F . Antenna socket This radio contains four separate power amplifiers. T o prevent possible damage to these amplifiers please ensure the following:[...]
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Page 5
3 10 Carrying Case Front Panel 4. Keep the detachable front panel in the protective case provided. 2. Grip the release section and pull the front panel forward. - Be careful not to grip the front panel display too tightly or to drop the panel. 3. Close the inner cover. - After removing the front panel, be sure to close the inner cover to prevent di[...]
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Page 6
4 9 Important notes Prior to the final installation, carry out a sound check. If high distortion or intermittent sound is experienced, it is possible that the wiring from the CD receiver to the boat's electrical system is poor or that the battery needs recharging. If the battery and its charging circuit are OK, then rewire the yellow fused wir[...]
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Page 7
5 8 VOLUME Select BASS Select TREBLE Select F ADER Select BALANCE Select Beep 2nd I-V ol Ar ea Press Press Press DSP Controls 1. POWER ON/OFF button (1) Push the PWR button (1) to turn on the unit. Push the button again to turn off the unit. 2. SEL and VOL button (2) 1) Audio control ( VOLUME / BASS / TREBLE / BALANCE / FADER ) Short pressing the S[...]
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Page 8
6 7 Identification of controls and functions 1. POWER ON / OFF button 2. Electronic Function SELECT button, Volume decrease or increase button 3. MODE button <Radio CD CDC SIRIUS AUX-IN> 4. SH. SR (SHIFT / SCROLL) button (SIRIUS only) 5. BD / FN button 6. CD play / pause button, radio preset 1 button 7. CD intro scan button, radio preset 2 bu[...]