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En-15
4. Set response selector of auto-iris lens (Video
type) to AVERAGE.
Viewing gray scale (logarithmic) or an ob-
ject, set video output level of camera to
0.75Vp-p (100IRE) by adjusting LEVEL VR of
auto-iris lens.
5. Set ECLIPSER SW (Dip Switch #4): ON.
Viewing highbright object, adjust THRESH-
OLD VR (VR802) by turning it clockwise so
as video output level of camera to be clipped
at 0.8~0.85Vp-p. (See Fig.8)
6. Set gray level shown in Fig.8 to 0.35Vp-p by
turning GRAY VR (VR804) to clockwise or
counterclockwise.
7. Viewing an object in front of a bright back-
ground, adjust the ECLIPSE VR (VR803) by
turning it clockwise or counterclockwise
until the object can be seen with good high-
light and the background becomes gray.
(See Fig.9)
Fig.9
Gray level
0.8 ~ 0.85 Vp-p
Video signal
V
0.35 Vp-p
Fig.8
Image on monitor
Gray background