Appendix
147
VIDEO SYSTEM OTV-SI
Observation
Television system
NTSC
Video signal output
VBS
(1.0 V
p-p
75
)
Y/C
(Y: 1.0 V
p-p
75
,
C: 0.28 V
p-p
75
)
Auto white balance
The white balance can be
automatically adjusted.
Color adjustment
The color tone of the image can be
adjusted.
Hue:
8 levels
Chroma:
8 levels
Red:
8 levels
Blue:
8 levels
Iris
An exposure area can be selected.
Full: Normal observation
Center: When focusing on and/or
observing center area.
Image enhancement
An imaging process which
electrically intensifies the boundary
of an image. The edge
enhancement level can be switched
between “None”, “Low”, “Medium”
and “High”.
Freeze
Image can be frozen on the video
monitor.
Exposure level
The exposure level switch adjusts
the brightness of the image.
Automatic brightness
control
The automatic brightness control
maintains the brightness of the
endoscope image.
VISY218
Summary of Contents for OTV-SI
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