TABLE 1. Chromaticity Values
| Symbol | Minimum | Typical | Maximum |
Chromaticity of | Wx | 0.282 | 0.312 | 0.343 |
White | Wy | 0.288 | 0.323 | 0.359 |
Chromaticity of | Rx | 0.613 | 0.620 | 0.673 |
Red | Ry | 0.314 | 0.345 | 0.377 |
Chromaticity of | Gx | 0.260 | 0.297 | 0.334 |
Green | Gy | 0.536 | 0.528 | 0.623 |
Chromaticity of | Bx | 0.111 | 0.145 | 0.178 |
Blue | By | 0.055 | 0.092 | 0.130 |
Touchscreen Assembly
The touchscreen assembly consists of a touchscreen and a controller.
CarrollTouch, AccuTouch or IntelliTouch touchscreens will be provided as options and use one of the USB ports on the SBC.
External 12 V 
Power Supply
The Touchcomputer shall be powered by 12 V
from a universal type power supply brick with the following characteristics:
•Input voltage 100 to 240 V~
•Input frequency 50/60 Hz
•Output voltage 12 V 
•Output line and load regulation +/- 5%
•Output current=4.2 Amps maf
Stand
The stand supports the LCD display and provides adjustment for the angle of the display with respect to the viewer.
