Visual Performance; Measurement Conditions; Picture Size And Centering - Hitachi 14LD7200 Service Manual

3 VISUAL PERFORMANCE

3.1 MEASUREMENT CONDITIONS

Warm up time:
Angle for measurement:
Distance:
Equipment:
Measurement positions:
320
Grey scale definition:

3.2 PICTURE SIZE AND CENTERING

For 1280 X 768 resolution the picture size is equal to the active area of the display. For
Smaller Resolution (SVGA, VGA Text and VGA Graphics) there is an expansion algorithm
which expands the picture to a maximum possible size. The display is centered with respect
to the front bezel opening with a tolerance of 0.5mm
3.2.1 SIZE CONTROL RANGE
The picture size can be adjusted to achieve activation of all pixels of the display in1280 X
30min.
90°H and V
100cm
Minolta CS-100
640 960
1 2
5
3 4
White means digital value for RGB=255,255,255
50% gray, RGB=127,127,127
Black, RGB=0,0,0
256
512
768
25