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Verifying Radiometer Readings with a Hardness Disk Kit
The radiometer reading is just an estimate of curing performance. Actual curing
results depend on the materials and thickness being cured. It is highly recommended
that curing of materials be tested using a hardness disk kit to ensure a complete cure.
Follow the instructions provided with the kit for the most accurate testing results.
CAUTION
Product Use
To prevent cross-contamination, a disposal sleeve must be used over the Demi Ultra
with each use. This will also prevent transfer of resin to the LED Light Attachment.
CAUTION
Kerr Corporation recommends the use of the Demi Ultra Barrier Bag to prevent cross-contamination when
using the Demi Ultra. See the Parts and Accessories section for ordering information.
Adjust the LED Light Attachment and Light Shield
Remove the unit from the Charging Dock. Ensure the LED Light Attachment is properly seated in the Magnetic
Socket and the Light Shield is firmly attached. Rotate each to the desired position for curing.
Verify the Handpiece is Charged
In Active Mode, a Curing Time Indicator Light is
on, and the Charge Indicator Light is off. When
there are 40 seconds or less of curing time left,
the Charge Indicator Light glows amber (see
Figure 9) warning the user that the charge is
almost depleted. The Charge Indicator Light
turns red when there is not enough charge to
complete the selected curing cycle duration. If
curing duration is reduced, the light may change
back to amber, indicating there is enough charge
for a shorter curing cycle.
Select Curing Time
The three topmost LEDs indicate which time
interval (cycle) is selected. To change the current
selection, press the Curing Time Selector until the
desired time interval is indicated (see Figure 10).
Activate the Curing Light
Position the light as close to the tooth as possible
without touching it. Press and release the LED
Light Button (see Figure 11). Be sure to hold the
Demi Ultra in position until the curing cycle has
completed.
Figure 8 – Demi Ultra LED Light Attachment rotation
Figure 9 – Charge Indicator Light "on"
Figure 10 – Selecting a curing time
8
Charge
Indicator
Light
Curing Time
Selector
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