such as italics or boldface. Or, it can be a graph, such as a pie chart.
Figure 8-4 Pixels on and off
The 320 x 200 graphics mode deserves special note. In this resolution, each pel consists of four pixels. By turning on and off different numbers of pixels in each pel, the display shows different shades of gray.
Selecting Video Mode
How your software displays information on the LCD depends on the mode it uses. The T2150CD series computer supports a number of video modes, which determine the screen mode (text or graphics), resolution and the number of colors available.
Table 8-1 T2150CDT Video modes
Video | Type | Resolution | Character | T2150CDT | CRT | CRT | CRT |
mode |
|
| matrix | LCD | colors | vertical | horizontal |
|
|
| (pels) | colors |
| refresh | refresh |
|
|
|
|
|
| rate | rate |
0, 1 | VGA Text | 40 x 25 | 8 x 8 | 16 of 256K | 16 of 256K | 70Hz | 31.5KHz |
|
| Characters |
|
|
|
|
|
2, 3 | VGA Text | 80 x 25 | 8 x 8 | 16 of 256K | 16 of 256K | 70Hz | 31.5KHz |
|
| Characters |
|
|
|
|
|
0*, 1* | VGA Text | 40 x 25 | 8 x 14 | 16 of 256K | 16 or 256K | 70Hz | 31.5KHz |
|
| Characters |
|
|
|
|
|
2*, 3* | VGA Text | 80 x 25 | 8 x 14 | 16 of 256K | 16 or 256K | 70HZ | 31.5KHZ |
|
| Characters |
|
|
|
|
|
0+, 1+ | VGA Text | 40 x 25 | 8(9) x 16 | 16 of 256K | 16 of 256K | 70Hz | 31.5KHz |
|
| Characters |
|
|
|
|
|
2+, 3+ | VGA Text | 80 x 25 | 8(9) x 16 | 16 of 256K | 16 of 256K | 70Hz | 31.5KHz |
|
| Characters |
|
|
|
|
|
4, 5 | VGA Grph | 320 x 200 | 8 x 8 | 4 of 256K | 4 of 256K | 70Hz | 31.5KHz |
