Speco Technologies VM-1201 - Manual (Page 7)

‧ Picture geometry：≦ 2.5%
‧ Picture centering：≦ 6mm
‧ Size stability：Picture luminance from 5 FL to max., the size shall be less than 2.5%
(with full white pattern)
‧ Swing and jitters：Swing and jitters are not allowed (viewed at 50cm from eyes to
screen).
‧ Focus：(viewed at 50cm from eye to screen, contrast adjusted to set luminance at 20 FL
with full white pattern, brightness set at raster just disappeared) Inspect full
character pattern, all characters should be distinguished.
1.3 Controls and adjustments
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External user’s controls ：
Brightness adjustment
Contrast adjustment
Horizontal hold
Vertical hold
Volume adjustment (optional).
1.4 Physical Specifications
Dimension ：313mm(H) ×310mm(W) x300mm(D)
Net Weight ：9 Kg
2. Theory of Operation
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