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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Epson SED1278F/D, 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 Epson SED1278F/D 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 Epson SED1278F/D. 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 Epson SED1278F/D should contain:
- informations concerning technical data of Epson SED1278F/D
- name of the manufacturer and a year of construction of the Epson SED1278F/D item
- rules of operation, control and maintenance of the Epson SED1278F/D 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 Epson SED1278F/D 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 Epson SED1278F/D, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Epson 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 Epson SED1278F/D.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Epson SED1278F/D 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
1 SED1278F/D Dot Matrix LCD Controller Driver SEIKO EPSON CORPORATION PF282-07 1/8, 1/11 or 1/16 Duty Dot Matrix Drive Built-in Character Generator ROM and RAM ( ) Maximum Simultaneous Display of 80 Characters (With extension LCD driver) DESCRIPTION The SED1278F/D is a dot matrix LCD controller/driver which is dedicated to character display. It is [...]
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Page 2
SED1278F/D 2 PIN CONFIGURATION PIN DESCRIPTION ABSOLUTE MAXIMUM RATINGS INDEX 1 51 0 1 5 2 0 2 5 30 35 40 45 50 55 60 65 80 75 70 SED1278F SEG38 SEG37 SEG36 SEG35 SEG34 SEG33 SEG32 SEG31 SEG30 SEG29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 DB1 DB0 E R/W RS D0 FR V DD XSCL LP V5 V4 V3 V2 V1 OSC2 SEG39 SEG40 COM16 COM15 COM14 COM13 COM12 COM11 COM10 COM9 [...]
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Page 3
3 SED1278F/D ELECTRICAL CHARACTERISTICS DC Characteristics Write Cycle V IH1 V IL1 V IH2 V IL2 V OH1 V OL1 V OH2 V OL2 R COM R SEG I IL -I P I OP f EXTCL Duty tr EXTCL tf EXTCL f OSC f OSC V LCD Symbol I OH =-0.205mA I OL =1.6mA I OH =-0.04mA I OL =0.04mA |V COM -V n |=0.5V |V SEG -V n |=0.5V V I =0 to V DD V DD =5V R f =91K ± 2% Ceramic filter V [...]
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Page 4
SED1278F/D 4 Timing Chart DISPLAY COMMAND Read Cycle RS V IH1 V IH1 V IH1 V IH1 V IH1 V IL1 V OH1 V OL1 V OH1 Significant Data V OL1 V IL1 V IL1 V IL1 V IH1 V IL1 R/W E DB0 to DB7 t AS t cycE t RD t WEH t AH t AH t fE t fE t DHR RS V IH1 V IL1 V IH1 V IH1 V IL1 V IL1 V IH1 V IL1 V IH1 Significant Data V IL1 V IL1 V IL1 V IL1 V IH1 V IL1 E DB0 to DB[...]
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Page 5
5 SED1278F/D 20 ± 0.1 25.6 ± 0.4 41 64 14 ± 0.1 19.6 ± 0.4 25 40 INDEX 0.35 ± 0.1 24 1 80 65 2.7 ± 0.1 0.26 3.4 max 2.8 1.5 0 ° 12 ° 0.15 ± 0.05 0.8 Plastic QFP5-80pin Unit: mm PACKAGE DIMENSIONS LCD PANEL INTERFACE EXAMPLE (2 lines 20 characters) SED1278F/D COM1 COM16 … SEG1 SEG40 … SEG0 SEG59 … LCD OPEN DO DO1 D1 DO0 DO LP XSCL FR [...]
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Page 6
SED1278F/D 6 SED1278D PAD LAYOUT PAD COORDINATION 24 41 1 64 25 40 80 X Y 65 (0, 0) 4,500 Monitor Pad Pad size: 109 109 3,670 Unit: m 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 GND OSC1 OSC2 V 1 V 2[...]
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Page 7
7 SED1278F/D SED1278D OA CHARACTER FONT[...]
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Page 8
SED1278F/D 8 SED1278F OB/ D OB CHARACTER FONT[...]
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Page 9
9 SED1278F/D SED1278F OC/ D OC CHARACTER FONT[...]
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Page 10
SED1278F/D 10 SED1278F OD / D OE CHARACTER FONT[...]
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Page 11
11 SED1278F/D SED1278F OG/ D OG CHARACTER FONT[...]
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Page 12
SED1278F/D 12 SED1278F OH/ D OH CHARACTER FONT[...]
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Page 13
13 SED1278F/D ELECTRONIC DEVICES MARKETING DIVISION IC Marketing & Engineering Group ED International Marketing Department I (Europe & U.S.A.) 421-8, Hino, Hino-shi, Tokyo 191-8501, JAPAN Phone: +81-(0)42-587-5812 Fax: +81-(0)42-587-5564 ED International Marketing Department II (Asia) 421-8, Hino, Hino-shi, Tokyo 191-8501, JAPAN Phone: +81-[...]