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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Acer X221W, 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 Acer X221W 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 Acer X221W. 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 Acer X221W should contain:
- informations concerning technical data of Acer X221W
- name of the manufacturer and a year of construction of the Acer X221W item
- rules of operation, control and maintenance of the Acer X221W 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 Acer X221W 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 Acer X221W, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Acer 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 Acer X221W.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Acer X221W 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 Table of Contents Precautions ................................................. ...................................................... 2 Special notes on LC D monitors .... .................................................................... 2 Package contents ...................................... ................................. ..............[...]
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Page 2
2 Prec autio ns y The monitor may be damag ed if placed too near a source of hea t. Be aware of the location of radiators, cook ers, open fires, etc. y Do not cove r the slots and openings on the back or top of the cabinet , as the monitor requires ventilation. The monitor should be located in a well-ventilated room to prevent the possibility of o [...]
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Page 3
3 Packa ge cont ents LCD monitor Power cor d Audio cable (Optional) VGA cable DVI ca ble (Optional) User's Guide (CD) Quick Start Guide Installa tion ins tructio ns Assembling the monitor 1. Position the monitor on top of the base. 2. Connect the base into the ne ck of the monitor along the track. Detaching the monitor If you need to detach th[...]
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Page 4
4 Adjusting the viewing angle The vi ewing ang le of the moni tor ranges from -5 – 20 °. NOTES • Do not touch th e LCD screen when you chan ge the angle. It may cause damage or break the LCD scree n. • Careful attention is required not to catch your fingers or hands when you change the angle.[...]
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Page 5
5 Connecting the devices Caution: Make sure that the computer and the monitor are both disconne cted from the power supply. 1 Power cord Attach the monitor to the power cord, and then insert the power cord into a properly grounded e lectrical socket. 2 VGA cable Connect the signal cable to the VGA input socket of the monitor, and connect the signal[...]
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Page 6
6 Switc hing t he pow er First, switch on the hard-switch on the backside of monitor, then turn on PC a nd power button on monitor’s control panel. When you see the LED on the power button go green, this indicates the computer is ready for use. Allow about 10 seconds for the video signal to appe ar. If you do not see the green light on the power [...]
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Page 7
7 OSD options Pleas e refe r to "Ex tern al con trol s" on Pag e 6. To adjust the OSD settings: 1. P ress the Me nu button to open the OSD menu. 2. Use Plus/Minus buttons to toggle betwee n the 10 OSD functions (and also to adjust the controls to desired levels once a function has been selecte d). 3. Press Menu again to select one o f the[...]
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Page 8
8 Color adjustment: There are three ways to adjust color: Warm (reddish white) Cool (bluish white) User (you can adjust the colors red, green a nd blue to the intensity you desire) Language for Asia: Select the OSD menu language . Select from English, German, Spanish, Simplified Ch inese, Traditional Chinese , French, Italian, an d Japanese . Langu[...]
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Page 9
9 Auto Config: System runs auto-configura tion. (Optional) Input signal: Sele ct ei ther Analog Input or Di gital Input video. Information: This shows information about the screen. Reset: Resets all settings to default levels. Exit: Exit from OSD.[...]
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Page 10
10 Troubleshooting Problem Possible Solutions Power LED is not ON y Check to see if the power switc h is in the ON position. y Ensure that the Power Cord is conne cted. No picture y Check to se e if the power switch is in the ON position. y Ensure that the power co rd is connected. y Ensure the video cable is securely conn ected to the back of the [...]
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Page 11
11 General specifications Item Specification LCD p ane l Display 22-inch flat panel active-matrix TFT LCD Max resolution WXGA+ 1680×1050 pixels Pixel pitch 0.282 mm Color 16.7 M Brightness 300 cd/m² (T ypical) Contrast ratio 1000:1 (T ypical) Response time 5ms (T ypical) View angle o f horizontal 170° View angl e of ver tica l 160° External con[...]