Midmark Preva - Page 32

Preva Dental X-ray System User Manual, 00-02-1576, Revision ZA1
32
Preprogramming
to Digital Sensors
1. Turn the system on.
2. Push and hold the Tooth and Patient selection switches. A menu screen
will appear after about 5 seconds.
3. Select CHANGE PRESETS from the Menu Options screen.
4. Select SELECT RECEPTOR from the Preset Options menu (Figure 6).
5. Press the up or down arrow to highlight the sensor or phosphor plate to
change, and press Enter.
6. Select YES or NO on the Verification screen.
7. Exit the Preset Options menu.
8. Exit the Menu Options menu. A “Saving Settings” message will be
displayed briefly. The system will then return to the normal operational
mode.
Note
: When working in service mode, the green light next to the exposure
button will blink.
Changing Presets
Individually
1. Turn the system on.
2. Push and hold the Tooth and Patient selection switches. A menu screen
will appear after about five seconds.
3. Select EDIT PRESETS from the Preset Options menu. Entering Edit Preset
Mode will be displayed and Tooth Size, Image Receptor Type, and Patient
Size will be illuminated.
4. Use the Tooth Selection, Image Receptor Type, and Patient Size Selection
buttons to select which preset to change. The display shows the current
values for the preset.
5. Use the right arrow to highlight the technique factor to be changed (tube
voltage in kilovolts [kV], tube current in milliamps [mA], or duration in
seconds [s]).
6. Use the up and down arrows to change the value for the selected
technique factor.
7. Repeat steps 2-4 to change additional presets.
8. After the new values have been entered, press the Tooth Selection and
Patient Size Selection buttons simultaneously for five seconds to record
the changes.
Recalling Presets
1. Turn the system on.
2. Push and hold the Tooth and Patient selection switches. A menu screen
will appear after about five seconds.
3. To return all presets to their default values, select RECALL PRESETS from
the Preset Options menu. The menu will ask the user to confirm the choice.
4. Use the up arrow to select YES. All custom presets will be erased and
values will revert to their defaults.
or
Use the down arrow to select NO. All current presets will be retained.