QSC Audio DDI-11 manual

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A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of QSC Audio DDI-11, 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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The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of QSC Audio DDI-11 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 QSC Audio DDI-11. 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 QSC Audio DDI-11 should contain:
- informations concerning technical data of QSC Audio DDI-11
- name of the manufacturer and a year of construction of the QSC Audio DDI-11 item
- rules of operation, control and maintenance of the QSC Audio DDI-11 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 QSC Audio DDI-11 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 QSC Audio DDI-11, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the QSC Audio 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 QSC Audio DDI-11.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the QSC Audio DDI-11 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

  • Page 1

    1 DDI-11 DataPort Accessory Card INST ALLA TION GUIDE ▼ DDI-11 *TD-000181-00* Preliminary *TD-000181-00*[...]

  • Page 2

    2 Instructions for the DDI-11 DataPort Accessory Card 300mA IN 1+ IN 1- AGND IN 2- IN 2+ STBY CGND +15V J1 J2 © 2004 QSC AUDIO VM2 IM2 PROT IM1 VM1 300mA IN 1+ IN 1- AGND IN 2- IN 2+ STBY CGND +15V +15V (ref: CGND) supply Chassis Ground Power Suppy Standby + - Analog (Signal) Ground - + Channel 2 Balanced Input Channel 1 Balanced Input } } I. INTR[...]

  • Page 3

    3 IV . W ARRANTY AND DISCLAIMERS III. INST ALLA TION The DDI-11 kit (QSC part # SG-000515-00) includes these items: DDI-11 board Two #4-40 × ¼” black screws Installation guide Use this procedure to install the DDI-11: 1. Turn off the amplifier. 2. Plug the card into the amplifier’s DataPort. Use the two screws on each side of the DataPort to [...]

  • Page 4

    4 QSC Audio Products, Inc., 1675 MacArthur Boulevard Costa Mesa, California 92626 USA PH: (714) 754-6175 FAX: (71 4) 754-6174 QSControl is a trademark of QSC Audio Products, Inc. “QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office.[...]