AW00089317000 Image Acquisition Control
Basler ace GigE 127
The Flash Window Signal
Cameras with a rolling shutter imaging sensor (e.g., acA2500-14 models) can provide a flash
window output signal to aid you in the use of flash lighting.
The flash window signal will
go high when the flash window for each image acquisition opens and will
go low when the flash window closes.
Figure 75 illustrates the flash window signal on a camera with the shutter operating in the electronic
rolling shutter mode.
For more information about the flash window signal, see Section 7.10.2 on page 137.
The flash window signal is also available on cameras with a global shutter imaging
sensor. On global shutter cameras, the flash window signal is simply the
equivalent of the exposure active signal.
Frame Acquisition N Frame Acquisition N+1 Frame Acquisition N+2
= Line Exposure
= Line Readout
Time
Flash
Window
Signal
Flash Window
Flash Window
Flash Window
Fig. 66: Flash Window Signal on Cameras with a Rolling Shutter
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