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BenQ FP751 User Manual - Page 17

Pixel errors, Need More Help? - driver

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✓ The image is or distorted, flashes or flickers: Benq LCD Color Monitor User's Guide ☞ Read the chapter, Installation/Adjustment and then select the correct resolution, refresh rate and make adjustments based on these instructions. ✓ The image is displaced in one direction: ☞ Read the chapter, Installation/Adjustment and then select the correct resolution, refresh rate and make adjustments based on these instructions. Pixel errors Due to the technology used to build LCD-modules, pixel errors are unavoidable. A standard 1024 x 768 display has 786,432 pixels. Each pixel consists of three subpixels (red, green and blue), which means there are 2,359,296 subpixels. This is also the number of driver transistors needed. If you wanted to make sure that every transistor on an LC display is working properly, i.e. that there are no pixel failures, an enormous amount of waste would be produced and the price would also be exorbitant. Error rates have to be specified in order to produce LCD panels for a fair price. These error rates are given to us by the panel manufacturers. Need More Help? If your problems remain after checking this manual, please contact your place of purchase or e-mail us at: [email protected] English 42

Section	Page
Benq FP751	1
LCD Color Monitor	1
17.0\	1
User's Manual	1
1. The AC adapter isolates this equipment from the AC supply.	2
2. Unplug this product from the wall outlet before cleaning. Do not use liquid or aerosol cleaner...	2
3. Slots and openings on the back or top of the cabinet are provided for ventilation. They must n...	2
4. This product should be operated from the type of power indicated on the marking label. If you ...	2
5. Never push objects of any kind, or spill liquid of any kind into this product.	2
6. Do not attempt to service this product yourself, as opening or removing covers may expose you ...	2
7. The power supply cord serves as a power disconnect device for pluggable equipment. The socket ...	2
Unpacking	4
Views of the Monitor	5
Front View	5
Back View (1)	5
Back View (2): Removal of rear cover and base cover	6
Installation	7
Hardware Installation	7
A . Make sure that the computer and monitor’s power are both turned off. Please follow the steps ...	7
B . Connect the audio cable to your computer.	8
C . Connect the signal cable, which is directly attached to the monitor, to the VGA output of the...	8
D . Connect the power cord at the back of the monitor to an AC power socket. Please make sure tha...	8
Monitor Security Lock Installation	9
1. Insert the lock in the slot located on the rear of the monitor.	9
2. Turn the key to lock the Security Lock.	9
3. Remove the key and store it in a safe place.	9
USB Installation (Optional)	9
1. Connect your USB Hub to your computer with USB cable.	9
2. Connect USB compatible devices such as a keyboard, mouse and so on to any of 2 downstream conn...	9
Software Installation	10
Look at the Control Panel	10
1. \	10
2. “iKey” : Adjust vertical position, phase, horizontal position and pixel clock automatically.	10
3. “Exit” key: Back to main menus, save menu or exist OSD menu without saving. Hot key for Audio ...	10
4. “Enter” key: Enter sub-menus, select items or save items.	10
5. “Wheel”: For left / right adjustment. Hot key for Brightness/Contrast adjustment.	10
Hot Key Mode	10
1. Roll the fly wheel left to enter the Contrast hot-key mode.	10
2. Roll the fly wheel to make adjustment. The scale can be adjusted from maximum (100) to minimum...	10
3. Press the \	10
1. Roll the fly wheel right to enter the Brightness hot-key mode.	10
2. Roll the fly wheel to make adjustment. The scale can be adjust from maximum (100) to minimum (0).	10
3. Press the \	10
1. Press \	11
2. Roll the fly wheel to make adjustment. The scale can be adjust from maximum (100) to minimum (0).	11
3. Press the “Exit” to save and leave OSD operation.	11
Main Menu Mode	11
1. Brightness	11
2. Contrast	11
3. Horizontal Position	12
4. Vertical Position	12
5. Phase	12
6. Clock	13
7. Color	13
8. Languages	13
9. Recall	14
10. OSD Time	14
11. Volume	14
12. OSD Position	15
13. Information	15
Troubleshooting	16
Frequently Asked Questions (FAQ)	16
Pixel errors	17
Need More Help?	17
Supported operating modes	18
Specifications	19
Appendix: An Introduction to LCD Technology	20
Principles of LCD Technology	20
The TFT panel	20
A . The standard TFT panel	20
B . The super TFT panel	20
C . Comparison of standard and super TFT display	21
Important LCD parameters	21
A . Viewing angle	21
B . Contrast	21
C . Response time	21
D . Brightness	21
Display errors	22
A . Pixel errors	22
B . Blurred image	22
C . Multifrequency as opposed to Multiscan	22
Comparison of CRT & LCD monitors	23

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Benq LCD Color Monitor User's Guide

English

✓

The image is or distorted, flashes or flickers:

☞

Read the chapter, Installation/Adjustment and then select the correct resolution, refresh

rate and make adjustments based on these instructions.

✓

The image is displaced in one direction:

☞

Read the chapter, Installation/Adjustment and then select the correct resolution, refresh

rate and make adjustments based on these instructions.

Pixel errors

Due to the technology used to build LCD-modules, pixel errors are unavoidable. A standard 1024

x 768 display has 786,432 pixels. Each pixel consists of three subpixels (red, green and blue), which

means there are 2,359,296 subpixels. This is also the number of driver transistors needed. If you

wanted to make sure that every transistor on an LC display is working properly, i.e. that there are

no pixel failures, an enormous amount of waste would be produced and the price would also be

exorbitant. Error rates have to be specified in order to produce LCD panels for a fair price. These

error rates are given to us by the panel manufacturers.

Need More Help?

If your problems remain after checking this manual, please contact your place of purchase or e-mail

us at: [email protected]