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RMV Operations Manual Revision Copyright illunis LLC, 2014
Page 109
7.6: On Screen Displays
Histogram Plot
The On Screen Line Plot (OSLP) can also be
used to display a Histogram plot of the image data
The histogram in sampled within the entire
image area with a circuit that measures the top 9 bits
of image data. This results in a histogram of 512
points for the full image data range.
The histogram circuit can be set to measure
the top or bottom 512 counts using the histogram
zoom function.
Serial Commands
Target
Index
Command
R/W Description
04
11
OSD histogram line plot
W
0x0000 Disable plots
0x000C Enable Histogram display
0x000D Histogram Zoom low 512
0x000E Histogram Zoom high 512
04
12
Plot Offset
R/W
04
13
Plot Scale
R/W
Quick FAQ’s:
►The histogram plot display is one frame behind it’s
measurement frame. This is due to the fact the the
data must be measured, then stored for display on
the following frame.
►The histogram plot can be scaled from 1X to
1/4096X
VIDEO OFFSET
8-bit register
(16 lines per unit)
Histogram display
VIDEO SCALE
8-bit register
0xFF = 1.0