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==== Test Pattern ====
==== Test Pattern ====
+The following is an example of the test chart pattern in 12bit data format.
+
+===== Mode 1: Grayscale gradient test pattern =====
+The value of the first column is 0, and the grayscale value increases by 4 for each column to the right.
+<br />
+[[File:Test-pattern1.png|link=http://wiki.veye.cc/index.php/File:Test-pattern1.png|center|thumb|800x800px|Test pattern 1]]
+
+===== Mode 2: Vertical stripe test chart =====
+The pixels in each column are FFEh/555h/AAAh/001h in order.
+[[File:Test pattern2 enlarged.png|link=http://wiki.veye.cc/index.php/File:Test%20pattern2%20enlarged.png|center|thumb|800x800px|Test pattern2 （enlarged）]]
Related command: testimg.
Related command: testimg.