Visual Characteristics; Test Conditions - Philips 191E2SB/00 Service Manual

102 Meridian 2
B. Internet
i. Purpose: Design for Internet application, especially web browsing.
The screen is mixed by text & picture. Desktop publish could use this profile also.
ii. Enhancement Point:
1. The enhancement will be mostly based on the "Image viewing" settings that are also under
definition, made milder by the higher probability of strong compression typical of the Internet
photos and clips.
2. Color temperature should be 6500° K
3. Brightness level should be around 90%
4. SmartResponse set to "Low".
5. Smart Contrast set to "Off".
C. Game
i. Purpose: Design for PC game software and game boxes, e.g. PS3 and Xbox. The screen is
dominated by artificial animation with rich color.
ii. Enhancement Point:
1. Dynamic contrast enhancement by histogram analysis should be implemented.
2. Sharpness enhanced 90%.
3. Color enhancement set as the same with Video.
4. Color temperature set to panel native(original color temp)
5. Brightness level sets to maximum.
6. SmartResponse set to "High"
7. Gamma Table turns off to achieve fastest response time.
8. SmartContrast set to "On"
Demo mode
A. Purpose: Built-in demo mode for sales in-store demo.
B. Design:
i. Dynamically split screen to 2 vertical frames with one vertical white line. The line width is 2
pixels. The left frame will be enhanced by SmartImage Lite and right frame remains original
performance.
ii. There is OSD showing "SmartImage Lite & SmartResponse Demonstration" in left frame and
"Original Image" in right frame.
iii. The OSD word color is white with transparent background.
iv. The demo profile will be "Video Playback" profile with "High" ODC setting.
v. The current SmartContrast value also is shown on the bottom of the screen.
C. Hot keys to trigger:
Press [Smart Image] 3 seconds or more to trigger the demo mode.
When demo mode is On, press 3 seconds or more to turn off the demo mode.

4. Visual Characteristics

4.1 Test conditions

Unless otherwise specified, this specification is defined under the following conditions.
(1) Input signal: As defined in 3.3, 1366 x 768 non-interlaced mode (1366 x 768@60Hz 146.25MHz),
signal sources must have 75 ohm output impedance.
(2) Luminance setting: controls to be set to 300 nits with full screen 100 % duty cycle white signal
(3) Warm up: more than 30 minutes after power on with signal supplied.
(4) Ambient light: 400 -- 600 lux.
5) Ambient temperature: 20 ± 5 C