Color Uniformity - Acer 7299sl Service Manual

1.4.2.5 Color Uniformity

The unit is set to "28 Ft-L, full white pattern, cut-off" and then measure the color temperature
between any two point of display area. The difference of the color temperature must be :
1.4.2.6 Luminance Uniformity
A
C
120mm
The E area is set to "28 Ft-L, full white pattern, cutoff" and then measure the A, B, C, and D areas
to get the max. and min. light output values in these 5 areas.
1.4.2.7 Degaussing
Degaussing shall occur automatically when the monitor is turned on and shall be sufficient to
demagnetize the CRT to any possible change in Earth's magnetic field from movement or
shipment. Degaussing shall occur by manual when the monitor is setting at color adjust.
1.4.3 OSD Operation Procedure
There are 4 keys for user's control. The following descriptions are the introduction of these keys.
Enter key : enter sub-menus or select items
!
Exit key : Enter OSD or back to main menus (auto save), or leave OSD.
!
Left key : For left adjustment and enter contrast hot-key function.
!
Right key : For right adjustment and enter contrast hot-key function
!
OSD Operation procedure:
A. Contrast hot-key mode
1. Press Left key to enter contrast hot-key mode
2. Press Left and Right keys to do the adjustments.
B. Brightness hot-key mode
1. Press Right key to enter brightness hot-key mode
2. Press Left or Right keys to do the adjustments.
C. Main menu mode
1. Press Enter or Exit keys to enter Main menu (there are one main menu)
2. Press Left or Right keys to scroll light pane to desired items,. then press Enter key to enter
sub-menus.
3. Press Left or Right keys to scroll light pane to desired items, then press Enter key to select the
items.
4. Press Left or Right keys to do the adjustments.
5. Press Exit key to save and back to main menus.
6. Press Exit key to save and leave OSD
Detail page assignment of main menu is as below :
Main Menu : Press Enter or Exit keys to enter main menu
This main menu includes seven items :
1.
Press Enter key to enter sub-menus, and press Left or Right keys to scroll light pane to
desired items.
There are two items :
Press Enter to select the items. Then press Left or Right keys to do adjustment.
1-18
∆x<=4%,∆y<=4%.
E
120mm
Luminance adjustment
Contrast
API Confidential
No Copy/Reproduction Allowed
B 90mm
90mm
D 90mm
120mm
L
≤ 1 5 .
M AX
L
M I N
Brightness
7299sl Service Guide