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17
DFW-SX900
DFW-X700
FUNCTIONS
Internal operations of camera in trigger shutter operation mode
An about 3 µs width SUB pulse is generated immediately after trigger is input. Signals accumulated in the CCD sensor until
then are eliminated, after which exposure is started. After the exposure time based on the shutter speed set passes, VD is
generated inside the camera. (Specifically, VD is generated about 10 µs before exposure ends.)
After the A period passes from the falling edge of the VD, images are output during the B period.
Green Green
Orange
TRIGGER
Trigger Acceptance Prohibition Period
SUB
VD
SG
CCD OUT
Isochronous
Front Panel LED
Inside Camera
B
Exposure
Time
A
D
External Trigger Shutter Operations
Time until Data is Read Out and Output Period of Data
Camera
DFW-SX900 (7.5 fps)
DFW-X700 (15 fps)
A [ms]
Approx. 8
Approx. 2.4
B [ms]
Approx. 120
Approx. 64
D [ms]
Approx. 4.2
Approx. 0