Siemens SOMATOM Spirit Operator's Manual page 395

Quality Assurance
04/2012
The internal z-position is set to 0, the display of the table posi-
tion shows 0. The result of the test is output in the content area
of the Quality Constancy dialog box.
In the status and error message area, the result of this test (in
tolerance or out of tolerance) is output.
Constancy Test
F . 3
F . 3
F . 3
F . 3
0 . 0
F.3-11
0 . 0
0 . 0