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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of HP ProDisplay P221, 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 HP ProDisplay P221 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 HP ProDisplay P221. 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 HP ProDisplay P221 should contain:
- informations concerning technical data of HP ProDisplay P221
- name of the manufacturer and a year of construction of the HP ProDisplay P221 item
- rules of operation, control and maintenance of the HP ProDisplay P221 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 HP ProDisplay P221 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 HP ProDisplay P221, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the HP 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 HP ProDisplay P221.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the HP ProDisplay P221 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. Menu Opens, selects or exits the OSD menu. 4. OK/Auto If the OSD menu is on, press to select the highlighted menu item. If the OSD menu is inactive, press to activate the auto adjustment feature to optimize the screen image. 2. Minus If the OSD menu is on, press to navigate backward through the OSD menu and decrease adjustment levels. 5. Power T[...]
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Page 2
Panel Type TN (Twisted Nematic) LED Backlit LCD Viewable Image Area (diagonal) 54,61 cm (21.5 in.) widescreen; diagonally measured Screen Opening (W x H) 47,8 x 26,9 cm (18.74 x 10.55 in.) Aspect Ratio 16:9 Viewing Angle (typical) Up to 170° horizontal/160° vertical (10:1 minimum contrast ratio) Brightness (typical) * 250 nits (cd/m 2 ) Contrast [...]
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Page 3
Maximum Pixel Clock Speed 170 MHz User Programmable Modes Yes (10) Anti-Glare Yes Default Color Temperature 6500 K Video/Other Inputs Plug and Play Yes Input Connectors VGA (analog); DVI with HDCP support Input Impedance 75 Ohms Sync Input TTL separate synch Video Cables (1)VGA; (1) DVI Video Cable Lengths 1,8 m (5.9 ft.) Audio No Audio Cable Lengt[...]
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Page 4
Humidity - Operating 20% to 80% non-condensing Humidity - Non-operating 5% to 95%, 60° C max wet-bulb Altitude - Operating +0 to 5,000 m (16,404 ft) Altitude - Non-operating 0 to 12,192 m (0 to 40,000 ft) White LED Backlights Yes CCFL Panel No Arsenic-Free Display Glass 4 Yes Low Halogen 5 Yes (everything except external cables) Mercury Free Displ[...]
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Page 5
Packaging Materials Internal : Paper/Corrugated 996 g PLASTIC/EPS (Expanded Polystyrene) 572 g PLASTIC/EPE-Expanded Polyethylene 18 g RoHS Compliance Hewlett-Packard is committed to compliance with all applicable environmental laws and regulations, including the European Union Restriction of Hazardous Substances (RoHS) Directive. HP's goal is [...]
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Page 6
Maximize the use of post-consumer recycled content materials in packaging materials. Use readily recyclable packaging materials such as paper and corrugated materials. Reduce size and weight of packages to improve transportation fuel efficiency. Plastic packaging materials are marked according to ISO 11469 and DIN 6120 standards. End-of-life Manage[...]
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Page 7
HP LCD Speaker Bar—Part number NQ576AA Powered directly by the connected PC, the Speaker Bar seamlessly attaches to the monitor's lower bezel to bring full audio support to select HP flat panel monitors. Features include dual speakers with full sound range and dual external headphone jacks. Sold separately. For more information, refer to the[...]
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© Copyright 2012, 2013 Hewlett-Packard Development Company, L.P. ENERGY STAR® is a US registered mark of the United States Environmental Protection Agency. 1 The HP Quick Release has been designed to support a maximum of up to 24 lbs (10.9 kg) for all devices mounted. Because mounting surfaces vary widely and the final mounting method and configu[...]