Electro-Voice CPS 3 manual

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A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Electro-Voice CPS 3, 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 Electro-Voice CPS 3 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 CPS 3. 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 CPS 3 should contain:
- informations concerning technical data of Electro-Voice CPS 3
- name of the manufacturer and a year of construction of the Electro-Voice CPS 3 item
- rules of operation, control and maintenance of the Electro-Voice CPS 3 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 CPS 3 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 CPS 3, 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 CPS 3.

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 CPS 3 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

    OWNER’S MANUAL CPS 3 / CPS 4 CONTRACTOR PRECISION SERIES[...]

  • Page 2

    The lightning flash with arrowhead symbol, within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to ale[...]

  • Page 3

    CONTENTS Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 4

    1. Level Control To prevent unauthorized operation of the level controls on the CPS3 and CPS4, they are prov ided with screwed-on protective cover lids. When shipped from the factory, the detented potentiom eters are set to their clockwise limits. Thus, the input signal is not attenuated. In case matching the inpu t levels is required, you first ha[...]

  • Page 5

    POWER AMPLIFIER INPUTS Parallel to the XLR-type inputs, output connectors are provided, offering the opportunity to feed additional power amplifiers with the same signal. The inputs are electrically balanced with pin-assignment according to the IEC 268 standard. Pin-assignment of the XLR-type input connectors: Input sensitivity is factory set to 0 [...]

  • Page 6

    POWER AMPLIFIER OUTPUT CONNECTORS SPEAKON output connectors are provided for the power amplifier channels A (left) and B (right). The Bridged Out Connector for bridged operation is sealed with a plastic cover to prevent connection errors. LIMITER The time constant of the built-in limiter to avoid overdri - ving is adjustable. Position “SLOW” is[...]

  • Page 7

    Technical Specifications: CPS3, CPS4 Amplifier at rated conditions, both channels driven with 8 ohms loads, unless otherwise s pecified. CPS3 CPS4 Load Impedance 8 Ω 4 Ω 2 Ω 8 Ω 4 Ω 2 Ω Maximum Midband Output Power 560W 900W 1200W 850W 1300W 1800W THD=1%, 1kHz Rated Output Power 500W 800W 1000W 750W 1200W 1500W THD< 0.1%, 20Hz ... 20[...]

  • Page 8

    BLOCK DIAGRAM 20[...]

  • Page 9

    Abmessungen/Dimensions (in mm) ABMESSUNGEN/DIMENSIONS 21[...]