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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Asus ML249, 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.
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The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Asus ML249 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 Asus ML249. 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 Asus ML249 should contain:
- informations concerning technical data of Asus ML249
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- rules of operation, control and maintenance of the Asus ML249 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Asus ML249 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 Asus ML249, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Asus 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 Asus ML249.
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Table of contents for the manual
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Page 1
ML249 Series LED Monitor U ser G uide[...]
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Page 2
ii E6236 First Edition January 2011 Copyright © 201 1 ASUST eK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purch[...]
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Page 3
iii Contents Notices ......................................................................................................... iv Safety information ....................................................................................... v Care & Cleaning .......................................................................................... [...]
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Page 4
iv Notices Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: • This device may not cause harmful interference, and • This device must accept any interference received including interference that may cause undesired operation. This equipment has b[...]
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Page 5
v Safety information • Before setting up the monitor, carefully read all the documentation that came with the package. • To prevent re or shock hazard, never expose the monitor to rain or moisture. • Never try to open the monitor cabinet. The dangerous high voltages inside the monitor may result in serious physical injury. • If the power[...]
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Page 6
vi Care & Cleaning • Before you lift or reposition your monitor, it is better to disconnect the cables and power cord. Follow the correct lifting techniques when positioning the monitor. When lifting or carrying the monitor, grasp the edges of the monitor. Do not lift the display by the stand or the cord. • Cleaning. Turn your monitor off a[...]
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Page 7
vii Wheretondmoreinformation Refer to the following sources for additional information and for product and software updates. 1. ASUS websites The ASUS websites worldwide provide updated information on ASUS hardware and software products. Refer to http://www.asus.com 2. Optional documentation Your product package may include optional [...]
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Page 8
1-1 ASUS ML249 Series LED Monitor 1.1 Welcome! Thank you for purchasing the ASUS ® LED monitor! The latest widescreen LED monitor from ASUS provides a crisper, broader, and brighter display, plus a host of features that enhance your viewing experience. W i t h t h e s e f e a t u r e s , y o u c a n e n j o y t h e c o n v e n i e n c e a n d d e [...]
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Page 9
1-2 Chapter 1: Product introduction 1.3 Monitor introduction 1.3.1 Front view 1 2 6 4 3 5 1. button: • Selects a desired preset mode. • Exits the OSD menu or goes back to the previous menu when the OSD menu is active. • Automatically adjusts the image to its optimized position, clock, and phase by touching this button for 2-4 seconds (for VGA[...]
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Page 10
1-3 ASUS ML249 Series LED Monitor 4. • Increases values or moves your selection right/up. • Brightness hotkey 5. button: • Selects an available input source. 6. Power button/power indicator • Turns the monitor on/off. • The color denition of the power indicator is as the below table. Status Description White ON White (tful) Standby [...]
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Page 11
1-4 Chapter 1: Product introduction[...]
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Page 12
2-1 ASUS ML249 Series LED Monitor 2.1 Assembling the monitor arm/base To assemble the monitor arm/base: 1. Have the front of the monitor face down on a table. 2. Place the circular arm on the back of the monitor by aligning the pins on the arm with the slots on the monitor. Use a coin or the like to turn the screw until the circular arm is securely[...]
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Page 13
2-2 Chapter 2: Setup 2.2 Adjusting the monitor • For optimal viewing, we recommend that you look at the full face of the monitor, then adjust the monitor to the angle that is most comfortable for you. • Hold the stand to prevent the monitor from falling when you change its angle. • You can adjust the monitor’s angle from +20˚ to -5˚ and i[...]
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Page 14
2-3 ASUS ML249 Series LED Monitor 2.3 Connecting the cables 1. Connect the cables as the following instructions: • To connect the power cord : a. Connect the power adapter securely to the monitor’s DC input port. b. Connect one end of the power cord to the power adapter and the other end to a power outlet. • ToconnecttheVGA/HDM[...]
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Page 15
2-4 Chapter 2: Setup[...]
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Page 16
3-1 ASUS ML249 Series LED Monitor 3.1 OSD (On-Screen Display) menu 3.1.1 Howtoreconfigure 1. Tap the MENU button to activate the OSD menu. 2. T a p , a n d t o navigate through the functions. Highlight the desired function and tap the MENU button to activate it. If the function selected has a sub-menu, tap and again to navigate through the[...]
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Page 17
3-2 2. Color You can adjust Brightness, Contrast, Saturation, Color Temp., and Skin Tone from this menu. • Brightness : the adjusting range is from 0 to 100. is a hotkey to activate this function. • Contrast : the adjusting range is from 0 to 100. is a hotkey to activate this function. • Saturation : the adjusting range is from 0 to [...]
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Page 18
3-3 ASUS ML249 Series LED Monitor 4. Input Select In this function, you can select your desired input source. 5. System Setup Allows you to adjust the system. • Splendid Demo Mode : splits the screen into two for Splendid modes comparison. • Volume : the adjusting range is from 0 to 100 (only available for the HDMI input). • ECO Mode[...]
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Page 19
3-4 3.2 Specicationssummary(ML249H) Panel Type TFT LCD Panel size 24" (16:9, 61 cm) wide screen Max. Resolution 1920 x 1080 Pixel pitch 0.2768 mm Brightness (Max.) 250 cd/m 2 Contrast Ratio (Typ.) 3000:1 Contrast Ratio (Max.) 50,000,000:1 (with ASCR on) Viewingangle(H/V)CR>10 178˚/178˚ Display colors 16.7 M Response time[...]
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Page 20
3-5 ASUS ML249 Series LED Monitor 3.3 Troubleshooting (FAQ) Problem Possible Solution Power LED is not ON • Tap the button to check if the monitor is in the ON mode. • Check if the power cord is properly connected to the monitor and the power outlet. The power LED lights amber and there is no screen image • Check if the monitor and the comput[...]
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Page 21
3-6 3.4 Supported operating modes Resolution Frequency Horizontal Frequency(KHz) Vertical Frequency (Hz) Pixel (MHz) 640 x 480 31.47 59.94 25.18 640 x 480 35.00 66.66 30.24 800 x 600 35.16 56.25 36.00 800 x 600 37.88 60.32 40.00 1024 x 768 48.36 60.00 65.00 1280 x 960 60.00 60.00 108.00 1280 x 1024 63.98 60.02 108.00 1366 x 768 47.712 59.79 8[...]