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The rules should oblige the seller to give the purchaser an operating instrucion of InFocus DV 20VB2, 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 InFocus DV 20VB2 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 InFocus DV 20VB2. 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 InFocus DV 20VB2 should contain:
- informations concerning technical data of InFocus DV 20VB2
- name of the manufacturer and a year of construction of the InFocus DV 20VB2 item
- rules of operation, control and maintenance of the InFocus DV 20VB2 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 InFocus DV 20VB2 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 InFocus DV 20VB2, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the InFocus 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 InFocus DV 20VB2.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the InFocus DV 20VB2 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
Impact Drill Model DV 20VB2 Handling instructions Note: Before using this Electric Power Tool, carefully read through these HANDLING INSTRUCTIONS to ensure efficient, safe operation. It is recommended that these INSTRUCTIONS be kept readily available as an important reference when using this power tool.[...]
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Page 2
2 GENERAL OPERATIONAL PRECAUTIONS WARNING! When using electric tools, basic safety precautions should always be followed to reduce the risk of fire, electric shock and personal injury, including the following. Read all these instructions before operating this product and save these instructions. For safe operations: 1. Keep work area clean. Clutter[...]
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Page 3
3 Sleeve Loosen Lock collar Ring Tighten 5. Mounting and dismounting of the bit. For keyed chuck (Fig. 2) (1) Open the chuck jaws, and insert the bit into the chuck. (2) Place the chuck wrench in each of the three holes in the chuck, and turn it in the clockwise direction (viewed from the front side). Tighten securely. (3) To remove the bit, place [...]
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Page 4
4 NOTE When the sleeve does not become loose any further, fix the side handle to ring, hold side handle firmly, then turn the sleeve to loosen by hand. ( Fig. 4 ) Fig. 4 䡬 Type B ( Fig. 5 ) (1) Mounting the bit Turn the sleeve counterclockwise and open the chuck. After inserting the drill bit into the chuck as far it will go, grip the ring and cl[...]
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Page 5
5 Fig. 9 9. High-speed/Low-speed changeover: Prior to changing speed, ensure that the switch is in the OFF position, and the drill has come to a complete stop. To change speed, rotate the gear shift dial as indicated by the arrow in Fig. 10 . The numeral “ 1 ” engraved on the drill body denotes low speed, the numeral “ 2 ” denotes high spee[...]
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Page 6
6 6. Service parts list CAUTION: Repair, modification and inspection of Hitachi Power Tools must be carried out by a Hitachi Authorized Service Center. This Parts List will be helpful if presented with the tool to the Hitachi Authorized Service Center when requesting repair or other maintenance. In the operation and maintenance of power tools, the [...]
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Page 7
7 Item Code No. Remarks No. No. Used 1 995-344 1 M6 × 25 2 ____ 1 3 1 321-814 1 13VLRB-D 3 2 319-546 1 13VLRE-N 3 3 316-280 1 13VLN 4 1 322-857 1 4 2 322-866 1 5 939-556 1 6 322-851 1 7 620-2DD 1 6202DDCMPS2L 8 322-850 1 9 984-101 1 10 959-150 1 D6.35 11 322-845 1 12 1 316-321 4 D5 × 45 12 2 322-869 4 D5 × 50 13 322-852 2 14 1 322-858 1 14 2 322[...]
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Page 8
601 Code No. C99145011 Printed in Ireland Hitachi Koki Co., Ltd.[...]