Other - Acer X1160' Service Manual

3. Ful On/Full Off Contrast
Procedure
Criteria
4. Uniformity
Procedure
Criteria
4-10 Others
1. Functional Inspection
Keypad button
General
- Full white pattern & full black pattern
- Use CL100 to measure brightness values of full white pat-
tern P5 & full black pattern B5 ( see image: full white)
- Follow Contrast formula to calculate contrast values.
☼ Contrast Formula
P5/B5
note: P5=center of white image
B5 = the center of black image.
- 1500:1 (X1160/X1260/X1160Z)
- 1400:1 (X1160 Refresh/X1260 Refresh/X1160Z Refresh)
- 400:1 (only for X1260K Refresh)
- 1900:1 (for X1160P/X1160PZ/X1260P)
- Full white pattern
- Use CL100 to measure brightness values of P1~P9
(see image: full white).
- Follow the Uniformity formula to calculate
average values.
ANSI Uniformity = Avg. (P1, P3, P7, P9)/P5
- 65 %
- All keypad buttons must operate smoothly.
- All OSD functions must be checked for functionality. When
OSD menu is displayed, there shall be no visible peaking,
ringing, streaking, or smearing artifacts on the screen.
X1160 Family/X1260 Family Confidential
x 100%
4-12