Midmark VetPro - Calibration

VetPro DC Installation/Service Manual, 00-02-1606, Revision R01
76
Calibration
Devices with firmware revision of 5.0 and below will require calibration of the
tube current. Please contact Midmark at the number listed in the manual for
calibration instructions.
Calibrating kV
Occasionally, it may be necessary to calibrate kilovoltage (kV). Approximate
mA and kV levels can be observed using the Diagnostic Mode feature of the
VetPro DC system. If the kV needs calibration, follow these steps.
1. Energize the system.
2. Press and hold the Tooth Selector switch and the Patient Size Selector
switch for five seconds.
3. Select the SET CONFIG option. You will see the Set Configuration menu,
Figure 57.
4. Press the down arrow to highlight the DIAGNOSTIC MODE ON option,
and press Enter. You will see the Configure Unit menu, Figure 58.
5. Press the down arrow to highlight the Exit option, and press Enter. This
displays the Menu Option screen,
Figure 54.
6. Press the down arrow to highlight the Exit option, and press Enter. This
returns the display to operational mode.
7. Press Enter to select the kV to be adjusted.
8. Press Enter to highlight the time to be adjusted.
9. Observe normal radiation protection procedures in preparation for the
following steps.
10. Make an exposure.
11. Observe the feedback values.
Adjusting kV
during
Calibration
To adjust kV:
1. Press the Up switch to activate the Adjust feature. This displays the
Current kV Modulation Level screen.
2. Press the Up or Down switch while observing the Counts indicator.
3. Adjust the Counts in small increments.
4. Press Enter to exit and return to operational mode.
5. Make an exposure and observe the feedback.
6. Repeat steps 1 – 5 until the desired kV level is reached.
Deactivating the
Calibration
Session
Once completed, it is necessary to deactivate the calibration session.
1. Press and hold the Tooth Selector switch and the Patient Size Selector
switch for five seconds. You will see the Menu Options screen, Figure 54.
2. Press the down arrow to highlight the CONFIGURE UNIT option, and
press Enter. This displays the Configure Unit menu, Figure 57.
3. Press the down arrow to highlight the Set Configuration option, and press
Enter. You will see the Set Configuration menu, Figure 58.
4. Press the down arrow to highlight the Diagnostic Mode Off option, and
press Enter. This displays the Configure Unit screen.
5. Press the down arrow to highlight the Exit option, and press Enter. This
displays the Menu Option screen.
6. Press the down arrow to highlight the Exit option and press Enter. This
returns the system to operational mode.