K11208a;22/36
- 22 -
(6-7) Description of scan mode and functional limitation
●
Description of scan mode
This camera has the following 2 scan modes which are selectable by setting:
Scan mode
Operation
Frame rate
Normal scan mode (NORMAL) Readout of all 1.45 megapixels
30fps
Partial scan mode (PARTIAL)
Read out of approx. 0.55megapixels (398
lines) at the central area
60fps
●
Normal scan mode ···· The image of all effective pixels is read out at a frame rate of 30 Hz.
●
Partial scan mode ······· The image of the central area of 398 lines in vertical width is read out at a frame rate of 60Hz.
This mode is suitable for capturing the image only of the central area at a high speed.
●
Functional limitation by scan mode
Usable functions vary by the scan mode that is currently selected.
The functions marked with
O in the following table are usable and those marked with
×
are not usable.
Current scan mode
No shutter
Continuous shutter Asynchronous shutter
Prolonged exposure
Normal scan mode (NORMAL)
O
O
O
O
Partial scan mode (PARTIAL)
O
O
O
X
(Note) Carefully note that the operation is not guaranteed if an unusable function is selected.
(Note) Caution is required especially when control is executed using the write commands for the flag register among the
serial communication commands because the incompatibility between the selected scan mode and the selected
function is not warned. Setting of an inappropriate parameter results in operation failure.
