User guide

4-23
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.
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.