B&R Industries Provit 5000, Руководство пользователя

Страница: 165 / 400

164 Provit 5000 User’s Manual
Display Units • Brightness/Contrast
4. Brightness/Contrast
The brightness (background lighting) and the contrast of Provit display units can be set in the
following ways:
• In BIOS in the menu item "Additional Peripherals"
• Using Mkey utilities (see "Provit Mkey Utilities User Manual")
• Using Provit 5000 Utilities (see section "Provit 5000 Utilities")
It is not possible to set the contrast for TFT displays
5. Relationship between Resolution, Graphic Memory and Colors
The following table is valid for all display units. Please note that the number of colors are limited
with high resolutions (XGA,SXGA).
Video Memory Resolution Pixels Number of Colors
1MB
VGA 640 x 480 16 million (true color)
SVGA 800 x 600 65535 (high color)
XGA 1024 x 768 256
2MB
VGA 640 x 480 16 million (true color)
SVGA 800 x 600 16 million (true color)
XGA 1024 x 768 65535 (high color)
SXGA 1280 x 1024 256
4 MB
VGA 640 x 480 16 million (true color)
SVGA 800 x 600 16 million (true color)
XGA 1024 x 768 16 million (true color)
SXGA 1280 x 1024 65535 (high color)
1600 x 1200 65535 (high color)
Table 127: Relationship between graphic memory, resolution and color depth