JAI AM-800GE, User Manual

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AM-800GE / AB-800GE
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10.4. Timed-Pre-dump mode (so-called RCT) (JAI Custom)
Until the trigger is input, the camera operates continuously . At this moment, the
video signal, FVAL and LVAL are output but DVAL is not output. When the trigger is
input, the fast dump is activated to read out the electronic charge very quickly,
after which the accumulation and the readout are performed. This fast dump period
is 24.672ms. When the accumulated signal against the trigger is read out, FVAL ,
LVAL and DVAL are output too.
To use this mode;
Acquisition Mode : Multi
Acquisition frame Count : 2
Trigger selector : Frame Start
Trigger mode : ON
Exposure Mode : Timed
Trigger option (JAI Custom Control) : Pre Dump
In this mode, Trigger Overlap is automatically set to OFF.
Important notes on using this mode

The following table shows minimum trigger interval in Trigger Overlap=OFF.
accumulation mode
Full scan 3166L
2/3 Partial 2546L
1/2 Partial 2242L
1/4 Partial 1776L
1/8 Partial 1545L
The above figures are for pixel formats MONO8 or Bayer8.
Fig.46 Pre-dump mode timing
Trigger
CCD Exposure
Exposure Active
int-FVAL
int-DVAL
24.672ms
2L