Table of Contents
Advertisement
3 Select a pattern from the drop-down list.
If you select Select Image, a dialog box will appear when the pattern
is loaded, allowing you to select any jpg, bmp or gif image file on the
computer.
4 Click on the Load button.
After a few seconds, the test pattern will appear.
5 The following patterns provide a Measure window, allowing you to
measure certain areas from the test pattern with the optical sensor:
a) Centered square
b) Select Image
c) Uniformity
6 Right-click on the test pattern to display a menu with the following
options (depending on the configuration and pattern, some of them
may not be available):
Invert LUT:
Linearize LUT:
Full Screen:
Every Screen:
Quit:
Test pattern description
The default test patterns are:
Pattern name
Astigmatism
Using MediCal Pro
Invert the values in the imaging board's LUTs (white
becomes black, black becomes white, etc.)
The LUT entries are filled with a linear function (a
gamma of 1).
Expand the test pattern over the connected displays,
covering the full virtual desktop.
Repeat the test pattern on every connected display.
Close the test pattern.
Description
This pattern can be used to check the astigmatism
and overall focus of the display. Check that the pat-
tern is displayed sharp all over the screen.
86
Advertisement
Table of Contents
