Instruction manual

Guppy Technical ManualV7.4.0
148
Controlling image capture
Guppy F-503, Trigger_Mode_0, global reset release shutter
• IntEna is high, when all pixels are integrated simultaneously.
• Readout starts with end of exposure of first row.
• Readout ends with (end of exposure of last row) + (1x T
row
).
Exposure time of first row is: T
exp
Exposure time of second row is: T
exp
+ T
row
Exposure time of n-th row is: T
exp
+ (n-1) x T
row
Thus the image gets brighter with every row. To prevent this the customer should
use:
• flash (when all rows are overlapping, see drawing above)
• or a mechanical/LCD shutter
Note

For activating global reset release shutter in an advanced reg-
ister see Table 128: Advanced register: Global reset release
shutter on page 257.
Figure 92: Trigger_Mode_0: Guppy F-503: global reset release shutter
T
row
T
exp
Overlapping
good for
flash
T
exp