148 MI-42-0001 Rev. 19
MAINTENANCE: Service Functions
the 120 kV metrics. 100kV and 80kV HU values are only accurate for water. Other materials are not
evaluated. Although the system uses the data differently for Full and Daily QC scans, the scan
procedures are the same.
For information about running QC scans, see section 8.3 Testing Image Quality.
Figure 122
NOTE: Full system quality checks expire after 6 months. Daily system quality checks are valid for
18 hours.
Options
Select Daily Helical QC
a to run required daily system quality checks for
Helical scanning.
Select Daily Axial QC s to run required daily system quality checks for Axial
scanning.
Select Full Helical QC d to run full system quality checks for Helical
scanning.
Select Full Axial QC
f to run full system quality checks for Axial scanning.
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