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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of DMP Electronics P83848, 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 DMP Electronics P83848 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 DMP Electronics P83848. 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 DMP Electronics P83848 should contain:
- informations concerning technical data of DMP Electronics P83848
- name of the manufacturer and a year of construction of the DMP Electronics P83848 item
- rules of operation, control and maintenance of the DMP Electronics P83848 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 DMP Electronics P83848 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 DMP Electronics P83848, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the DMP Electronics 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 DMP Electronics P83848.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the DMP Electronics P83848 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
Sheet 1 of 7 ,167$//$7,21 # 3 ;6;7; ;56# $8',% /( # +251 # 6752%( Thank you for using our products. INSTALLATION INSTRUCTIONS AUDIBLE HORN STROBE TWO WIRE APPLIANCES (WALL MO UNT VERSIONS) Use this product accord ing to this instruction m anual. Please k eep this instruction m anual for future reference. GENERAL: DMP’s A udible Horn Strobe A[...]
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Page 2
P83848 A Sheet 2 of 7 IN TABLE 1). TH IS SETTING IS ACCEPTABLE ONLY FO R G ENERAL SIGNALING (NON-FIRE ALARM ) USE. USE THE “HIGH ” dBA SETTING WITH TH IS TONE FOR PU B LIC MO DE SERVICE. NOTES: 1. Strobes will produce 1 flash pe r seco nd over the listed voltage range. 2. An echoic dBA is m easured on axis in a non-ref lective (free f ield) tes[...]
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Page 3
P83848 A Sheet 3 of 7 LIGHT DISTRIBUT ION PER UL 1971: Table 4: H orizontal and V ertical P lane Angle Horizontal Vertical (in deg .) UL M in. Ty p. 15c d* UL M in. Ty p. 15c d* 0 15.0 94 15.0 94 5 13.5 93 13.5 83 10 13.5 88 13.5 30 15 13.5 87 13.5 19 20 13.5 85 13.5 17 25 13.5 80 13.5 16 30 11.3 75 13.5 15 35 11.3 71 9.8 12 40 11.3 62 6.9 11 45 11[...]
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Page 4
P83848 A Sheet 4 of 7 Figure 2: Jump er p lug settings for High d B a nd Co de 3. Figure 3: Jumper p lug setting s for Low dB and Co ntinuo us Horn. Figure 4: Jump er p lug settings for Low d B and Code 3. Figure 5: Jumper p lug settings for High d B a nd Co ntinuous Horn. (Use needle nose pliers to p ull and p roperly set the jumper plugs.) No j u[...]
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Page 5
P83848 A Sheet 5 of 7 MOUNTING OPTIONS: CAUTION: The follow ing figu res show th e max imum nu mber of field w ires (conductors) th at can enter the backbox used w ith each m ounting option . If these lim its are exceeded, there m ay be insuff icient space in the back box to accom modate the f ield wi res and stress es from the w ires cou ld dam ag[...]
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Page 6
P83848 A Sheet 6 of 7 CAUTION: Check that the installed pro duct will have suf ficient clearance and wiring room prior to installing backbo xes and conduit, especially if sheathed mu lticonductor cable o r 3/4" co nduit fittings are used. 1. Au dible Horn St robe models have an integ rated 823 Mounti ng Plat e. 2. The 823 Mou ntin g Pl ate m u[...]
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Page 7
P83848 A Sheet 7 of 7 IMP O RTANT: READ SEPARATE "GENERAL INFORM ATION" SH EET FOR INFORM ATION O N THE P LACEM ENT, LIMITATIONS, INSTALLATION, FINAL CHECKOUT, AND PERIODIC TESTING OF NOTIFICATION APPLIANCES. Limited Warranty These products mu st be used w it hin th eir publi shed specif ications and m ust be PROPERLY specified, applied, [...]