To Use High-Rate Scan Mode (B) - Sony XC-56BB Technical Manual

To Use High-rate Scan Mode (B)

In external trigger shutter mode 1, you can increase the
rate by setting the shutter speed to the trigger pulse
width, and setting the high-rate scan mode switch on
the rear panel, the trigger interval, the external VD
phase and the external VD width.
The image is centered as shown below.
Trigger
External VD
Video out
Note
In external trigger shutter mode, video out signals are
output about 1 H later than the external VD.
XC-56BB
Trigger interval T [line]
External VD
width Tw [line]
1 H
BLKG interval Tb [line]
Input of the trigger falling edge terminates the image
output.
Note that input of a trigger pulse is needed in the
effective image interval to control the ending of image
output, and this affects the image at the trigger rising
edge.
Effective image interval X [line]
Mode Settings
X lines 493 lines
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