ViewSonic E70F - 17" CRT Display - Page 10

8. GEOMETRICAL TESTS
8.1 SIZE
8.1.1 APPLY FULL WHITE PATTERN AT ALL MODES.
8.1.2 PICTURE SIZE:
H-SIZE: 310mm +
3mm.
V-SIZE: 230mm +
3mm.
8.1.3 BRIGHTNESS ATABILITY
H-SIZE: <
2mm.
V-SIZE: <
2mm.
NOTE: MIN. LIGHT OUTPUT TO MAX. LIGHT OUTPUT.
8.1.4 AC POWER VOLTAGE STABILITY.
H-SIZE: <
2mm
V-SIZE: <
2mm
8.1.5 THERMAL STABILITY (SIZE VARIATION)
H-SIZE: <
2mm.
V-SIZE: <
2mm.
NOTE: TEMP. 0
o
C~ 40
o.
8.2 GEOMETRY
8.2.1 APPLY SIGNAL D AT EACH MODE.
8.2.2 PINCUSION AND BARREL DISTROTION
8.2.3 TRAPEZOID AND PARALLOGRAM DISTROTION
A
A
'BB'
C'
C
D'
D
PINCUSION < 2mm (A,B,C,D)
BARREL < 1.5mm (A,B,C,D)
310mm
230mm
2mm
2mm
2mm
2mm
PARALLELOGRAM <2.0mm (A,B,C,D)
TRAPEZOID <2.0mm (A,B,C,D)
7
ViewSonic Corporation Confidential
-
Do Not Copy 70f+SB-3E