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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Da-Lite Professional Electrol, 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 Da-Lite Professional Electrol 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 Da-Lite Professional Electrol. 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 Da-Lite Professional Electrol should contain:
- informations concerning technical data of Da-Lite Professional Electrol
- name of the manufacturer and a year of construction of the Da-Lite Professional Electrol item
- rules of operation, control and maintenance of the Da-Lite Professional Electrol 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 Da-Lite Professional Electrol 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 Da-Lite Professional Electrol, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Da-Lite 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 Da-Lite Professional Electrol.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Da-Lite Professional Electrol 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
DA-LITE SCREEN COMP ANY , INC. 3100 North Detroit Street Post Office Box 137 Warsaw , Indiana 46581-0137 Phone: 574-267-8101 800-622-3737 Fax: 574-267-7804 www .da-lite.com e-mail: info@da-lite.com PO WER PRESENT A TION PR ODUC TS The In Instr uction Book f or PR OFESSIONAL ELEC TR OL ®[...]
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Page 2
PRE-INST ALLA TION 1 1 . Carefully unpack screen. 2. Make sure to recheck measurements of screen location before installation. 3. Remove instruction cover plate (Fig. 2). Do not remove wrapping paper or tape strips until screen is installed. IRONING BOARD Professional Electrols, 14' and over , contain an ironing board to flatten the fabric (lo[...]
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Page 3
SCREEN ADJUSTMENT S urface travel is stopped automatically in the fully opened and closed positions by limit switches that are properly ad- justed at Da-Lite. Should it be necessary to adjust more or less drop of picture, proceed in the following manner: C AUTION! WHEN ADJUSTING AND TESTING, BE PREP ARED TO STOP SCREEN QUICKL Y AS SERIOUS DAMAGE MA[...]
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Page 4
PROFESSIONAL ELECTROL INST ALLA TION 3 CEILING TYPE HANGER PICTURE SURF ACE PICTURE SURF ACE 1" x 3" CLEA T 2" MOULDING CEILING MOUNT WITHOUT HANGERS Screen case is placed flush with the wall and ceiling and held in position by moulding securely attached to the wall. RECESSED ABOVE CEILING Other methods of installation will suggest t[...]
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Page 5
4 PROFESSIONAL ELECTROL INST ALLA TION TO JUNCTION BOX MOUNTED IN SCREEN CASE, IN WHICH INTERNAL WIRING TERMINATES IN WHITE, BLACK, AND RED LEADS. IN MULTIPLE CONTROL INSTALLATIONS THE SWITCH IS REPLACED BY THE LOW VOLTAGE CONTROL, OPERATED FROM PUSH BUTTON STATIONS. OPERATING SWITCH, SWITCH BOX, AND PLATE FURNISHED WITH SCREEN. (SPDT WITH CENTER O[...]
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Page 6
TROUBLESHOOTING S YMPTOM 1. Screen will not operate or will not go “down.” Motor does not hum. Motor hums. C AUSE (a) Blown facility fuse. (b) T ripped facility circuit breaker . (c) No pow er to op er ati ng sw it ch or junction box. Power at junction box (d) Thermal overload tripped. (e) Br oke n wire i n the “do wn” po si- tion. (f) D ef[...]
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Page 7
6 TROUBLESHOOTING SYMPTOM 3 . “Down” limit switch incorrect. CAUSE ( a) “Down” limit switch out of adjustment SOLUTION ( a) See installation instructions 4. Noise NOTE: Screen will operate with a low-pitched hum. (a) Squeaking, rubber end plug rub- bing on motor . (b) Grinding. Foreign object in screen rubbing on roller or fabric. (c) Gear [...]
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Page 8
Printed in U.S.A. 81654 Rev. 7/09 7[...]