Electro-Voice EVI-15, EVI-28 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Electro-Voice EVI-15, EVI-28, 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 Electro-Voice EVI-15, EVI-28 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 Electro-Voice EVI-15, EVI-28. 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 Electro-Voice EVI-15, EVI-28 should contain:
- informations concerning technical data of Electro-Voice EVI-15, EVI-28
- name of the manufacturer and a year of construction of the Electro-Voice EVI-15, EVI-28 item
- rules of operation, control and maintenance of the Electro-Voice EVI-15, EVI-28 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 Electro-Voice EVI-15, EVI-28 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 Electro-Voice EVI-15, EVI-28, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Electro-Voice 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 Electro-Voice EVI-15, EVI-28.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Electro-Voice EVI-15, EVI-28 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

    EVI-12, EVI-15 and EVI-28 Loudspeaker Systems Applications Guide[...]

  • Page 2

    [...]

  • Page 3

    W elcome to the world of V ari Intense ® horn technology from Electro-V oice. This Applications Guide is not intended as a “very intense” descrip- tion of installation procedures, but more as a partial description of applications and a discussion with the designer to help you understand this revolution- ary technology and use the Electro-V oic[...]

  • Page 4

    2 Installation procedures for any conventional loudspeaker are fairly well-defined and easy to un- derstand: find an appropriate hanging height and position that affords a clear path to the listening area (such as above the center of a stage or above the lectern in a church), and aim the loudspeaker to- wards the center or just to the rear of cente[...]

  • Page 5

    the same mounting height of 18 feet, but with the front of the enclosure tilted up by approximately 10° (see Figure 2), the total floorplan now encom- passed the same 36 foot width, but at least 64 feet in length, an additional 10+ feet of extension. Of course, the front row position has moved back about 5 feet with the change in angle as shown, b[...]

  • Page 6

    4 is mounted above a flat floor is with the top of the enclosure parallel to the floor . In this orientation, the system will provide even SPL over a floorplan that is approximately twice as wide as the mounting height, and five times as long. T ilting the enclosure down by approximately 10- to 15° relative to the slope of the floor will produce a[...]

  • Page 7

    Please note: the pull-up location on the lower section of the back panel of the enclosure MUST be used to hang the system in order to provide a safe, stable mounting system. The pull-up point pro- vides an additive safety , as it is capable of holding the speaker system with a safety factor of at least 5:1 in the unlikely event of a failure in the [...]

  • Page 8

    6 NOTE: All figures are direct-field SPL and C50 produced in EASE with interference turned on when applicable. All plots depict the intended listening ar eas only , and do not in clude the “offset distance” to the first ro w . For example, the first set of plots on figure 3 depict the same 54’ x 36’ area as figure 1. See notes on simulation[...]

  • Page 9

    Figure 3 C50 Direct Field SPL C50 Direct Field SPL Figure 2 C50 Direct Field SPL 7 EVI SYSTEM MOUNTED AT 18’ HEIGHT AND +10 ° AIMING ANGLE TILTED BACK FROM FLOOR CONVENTIONAL 60X40 SYSTEM MOUNTED AT 18’ HEIGHT AND AIMED ABOUT 30 ° DOWN CONVENTIONAL 60X40 SYSTEM MOUNTED AT 18’ HEIGHT AND AIMED ABOUT 25 ° DOWN[...]

  • Page 10

    8 AcoustaCADD TM Direct Field SPL EASE TM Direct Field SPL DCSO Direct Field SPL V ertical Polar Ra w S mo o thed Figure 4 Figure 5 Horizontal Polar Direct Field SPL Ra w Sm o o t h e d[...]

  • Page 11

    Figure 6 9 C50 Direct Field SPL EVI SYSTEM MOUNTED AT 20’ HEIGHT AND 8 ° AIMING ANGLE[...]

  • Page 12

    Figure 7 10 C50 Direct Field SPL EVI SYSTEM MOUNTED AT 18’ HEIGHT AND -10 ° AIMING ANGLE EVI SYSTEM MOUNTED AT 22’ HEIGHT AND -10 ° AIMING ANGLE[...]

  • Page 13

    Figure 8 11 C50 Direct Field SPL EVI SYSTEM MOUNTED BACK-TO-BACK AT 30’ HEIGHT AND +5 ° AIMING ANGLE[...]

  • Page 14

    Figure 9 12 C50 Direct Field SPL EVI SYSTEM MOUNTED AT 25’ HEIGHT AND 15 ° AIMING ANGLE[...]

  • Page 15

    Figure 10 13 C50 Direct Field SPL 2 EVI SYSTEM MOUNTED BACK-TO-BACK AT 40’ HEIGHT AND +10 ° AIMING ANGLE[...]

  • Page 16

    Part Number 534762—9822 Figure 14 Figure 13 Figure 15 600 Cecil Street, Buchanan, MI 49107 800/234-6831, 616/695-6831, 616/695-1304 Fax ©T elex Communications, Inc. 1998 • Litho in U.S.A. BOLTS AND CABLING/CHAINS MUST BE RATED FOR OVERHEAD LIFTING (NOT SUPPLIED) BOLTS AND CABLING/CHAINS MUST BE RATED FOR OVERHEAD LIFTING (SEE TEXT) 3/8-16 FORG[...]