Preva Dental X-ray System User Manual, 00-02-1576, Revision ZA1
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The Preva Dental X-ray System has a diagnostic mode in which you can display
a summary of maintenance data or display feedback values after each
exposure.
Showing the
Maintenance
Summary
1. From the Main System Configuration menu, shown in Figure 4, select
CONFIGURE UNIT. You will see the Configuration menu shown in Figure 7.
2. Select SET CONFIG. You will see the Set Configuration menu, shown in
Figure 8.
3. To display a summary of maintenance data, highlight select SHOW MAINT
from the Configuration menu
. The following maintenance data are
displayed:
• Total kJ (kilojoules—total system heat on X-ray tube)
• Exposure Count
• Reboots (power up cycles)
• OT Counts (over-threshold counts)
4. Press any button on the Operator Panel to return to the Configuration
Showing
Feedback
Values After an
Exposure
If you take an X-ray (following the steps in “Taking an X-ray”) while in diagnostic
mode, the display shows feedback values for that exposure. Until you exit
diagnostic mode, the display will continue to show feedback values after each
exposure.
1. From the Main System Configuration menu, shown in Figure 4
CONFIGURE UNIT. You will see the Configuration menu shown in Figure 7.
2. Select SET CONFIG. You will see the Set Configuration menu, shown in
Figure 8.
3. From the Set Configuration menu, use the up and down arrows to highlight
DIAG MODE ON. Press the right arrow button to turn on diagnostic mode.
4. Exit System Configuration mode by highlighting and selecting EXIT in the
Configuration and Main menus.
5. Prepare to take an X-ray.
The device must not be operated in the significant zone of occupancy.
The operator of an intraoral dental X-ray device must remain 2 meters (6.6
feet) away from the focal spot and out of the path of the X-ray beam.
6. Take an X-ray.
The display will show the following feedback values:
• kV
• mA
• Filament current
7. Press any button on the Operator Panel to clear the feedback values from
the display.
8. To exit diagnostic mode,
press the Tooth Selection and Patient Size
Selection buttons simultaneously for 5 seconds to display the Main System
Configuration menu. From the Main System Configuration menu, highlight
and select CONFIGURE UNIT. Then highlight and select SET CONFIG. On
the Set Configuration menu, highlight and select DIAG MODE OFF.