FASTCAM-APX RS Hardware Manual
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D4: x 4 Gain
This is a LUT pattern that allocates the lower 256 of the 1024 total steps from the image
sensor to output. It expands the darker portion of image, more radically than D3 LUT.
D5: Grayscale inversion
This is a LUT pattern that inverts the input image data.
3.9.2. Customizing LUT Patterns
LUT patterns can be created from the PFV (Photron FASTCAM Viewer) Control
Software. See the PFV Software Manual for details of LUT pattern creation.
USER
This mode uses a custom LUT created by the PFV Control Software.
