Preva Installation/Service Manual, 00-02-1577, Revision E01
73
Diagnostic Mode
The Preva Dental X-ray System has a diagnostic mode which can display a
summary of maintenance data or display feedback values after each
Maintenance
Summary
1. From the Main System Configuration menu, Figure 49, select
CONFIGURE UNIT. The Configuration menu shown in Figure 52 will be
displayed.
2. Select SET CONFIG. The Set Configuration menu, shown in Figure 53 will
be displayed.
3. To display a summary of maintenance data, highlight select SHOW
MAINT. The following maintenance data are displayed:
• Total KJ (kilojoules—total system heat on the 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
Feedback Values
After an
Exposure
If an X-ray is made while in diagnostic mode, the display shows feedback
values for that exposure. Until diagnostic mode is exited, the display will
continue to show feedback values after each exposure.
1. From the Main System Configuration menu, Figure 49, select
CONFIGURE UNIT. The Configuration menu shown in Figure 52 will be
displayed.
2. Select SET CONFIG. The Set Configuration menu, shown in Figure 53 will
be displayed.
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. Make an exposure. The display will show the following feedback values:
• kV
• mA
• Filament current
6. Press any button on the Operator Panel to clear the feedback values from
the display.
7. 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 menu, highlight and select
CONFIGURE UNIT. Then highlight and select SET CONFIG. On the Set
Configuration menu, highlight and select DIAG MODE OFF.
Note: Feedback values are approximate.
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