Southwestern Bell CM660 manual

1
2
3
4
5
6
7
8

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Southwestern Bell CM660, 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 Southwestern Bell CM660 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 Southwestern Bell CM660. 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 Southwestern Bell CM660 should contain:
- informations concerning technical data of Southwestern Bell CM660
- name of the manufacturer and a year of construction of the Southwestern Bell CM660 item
- rules of operation, control and maintenance of the Southwestern Bell CM660 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 Southwestern Bell CM660 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 Southwestern Bell CM660, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Southwestern Bell 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 Southwestern Bell CM660.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Southwestern Bell CM660 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

    INTRODUCTION The Prommercial ® CM860 and CM660 are designed for a wide ran ge of com m erci al ap pl ica tion s. W hen p rop erly i nst alle d, th is p rod uc t will pro vide y ear s of hig h qual ity so und rep rod ucti on . To ob tain th e full p otential o f this S ound Advance sp eaker, p lease re ad all in st ruc tions befor e sta rt ing th e[...]

  • Page 2

    Twee t er Woofer Back Can Tap selector Input conne ctor Cover plate RotoLock ® clamp (4 pl aces) Strain relief Seismic tab Rot oLock ® mou nting screws (4 p laces) 2 Featur e Iden tificatio n CM860 & CM660 PROMMERCIAL SPEAKERS[...]

  • Page 3

    WIR E GAUGE — 8 OHM SYSTEM When using the CM86 0 a nd CM660 in a n 8 o hm syste m the total wire resistance should be less than 10% o f the speaker impedance. The CM860 and CM660 n ominally 8 ohms imped ance, so y our tot al wire re si s ta n c e sh ou ld b e no mo r e th a n 0. 8 o hm s. In simple terms, the extra resistance from the w ire will [...]

  • Page 4

    Rem ov e th e sp eak er fr om the pack ag ing, ope n th e ter mi nal co ver pla te doo r an d remov e th e gre en inp ut co nne ctor . Step 2 4 Cut a hole in th e dry wall usi ng the suppli ed cutou t templ ate. NOTE: F or drop-c eiling instruc tions refer to pa ge 5. Step 1 Connect th e wires from your amplifier to the input conne ctor. Pin 1 + Po[...]

  • Page 5

    Make sure the RotoLo ck clamps a re in the full clockwise posi tion so that all the clamps are tucked within t he c utout border. Insert the speaker i nto the hole in t he ce iling . Note: The maximu m clamp thickness i s 1-1/4" (32mm) Tighte n the fou r screw s on th e fro nt of th e baff le . The Ro to Loc k cl amp s wil l rotate into positi[...]

  • Page 6

    ARC HITEC TURAL SPEC IFICA TIONS The lou dspeaker shal l be o f the two wa y type comprising a si ngle flu sh m oun t en cl osur e co nta ini ng one 8" ( 203 mm ) low freq ue n cy tra nsd uc er a nd o ne co ax ially mo unt ed 1" (25 mm ) pi vot ing hig h fr eq uenc y tr ans du cer . Fr eque nc y resp ons e s hal l be 50 Hz – 2 0kH z. To[...]

  • Page 7

    ARC HITEC TURAL SPEC IFICA TIONS The lou dspeaker shal l be o f the two wa y type comprising a si ngle flu sh m oun t en cl osur e c onta ini ng one 6 -1/ 2" (1 65m m) low fr e quen cy tra nsd uc er an d o ne co axia lly m ount ed pi vot ing 3 /4" (1 9m m) hig h fr eq uenc y tr ans du cer . Frequency respon se shall be 65Hz – 20KHz. Tot[...]

  • Page 8

    TECHNI CAL A SSIS TANCE AND SERVIC E The Tech nic al Assis tance D epartmen t at So und Adva nce is avail abl e at (800) 592-4644 or (949) 492-5449 t o answer any q uestions concerning the opera tion a n d i n s t a l l a t i o n o f y o u r s p e a k e r s b e t w e e n t h e h o u r s o f 7 : 0 0 A M a n d 5 : 00 P M Pa cifi c time , Mond ay th r[...]