Coltene S.P.E.C. 3 LED Benutzerhandbuch Seite 10

10
Standard Mode (GREEN): Quickly press the Mode switch se-
quentially on GREEN light to toggle the light through the 3 time
settings (5 sec. -10 sec. - 15 sec.).
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15 3
10 2
5 1
5.5. Composite Curing Test Block Instructions
For Use
Manufacturer's recommended composite curing times are typi-
cally based on curing 2mm increments with a minimum accept-
able visible light output of 300 mW/cm
provide significantly higher output, the test block enables the
user to evaluate high power curing and adjust either the time or
increment thickness based on the results. In general, the required
curing energy is a constant function of the light output and time
(mW/cm 2 x sec). Changes in one factor can be offset by adjusting
the other. As an example, doubling the light output (mW/cm
may reduce the curing time (sec) by half. This relationship can
be used as a guideline for establishing composite curing test
parameters.
The test block is used to determine the curing rate at varying
thickness, of a selected combination of composite material and
curing light. To use the test block:
1. Place the block on a mixing pad or similar smooth surface,
test (bottom) side down.
2. Fill a selected opening (typically the 2 mm deep hole),
flush to the top surface, with the composite to be tested.
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15 3 15 3
10 2 10 2
5 1 5 1
2 . For curing lights that
EN
3. For the best results, cover both sides of the filled opening
with a clear plastic matrix strip to eliminate the air
inhibited layer common with resin curing.
4. Cure the material, from the top, for a chosen length of
time.
5. After removing any clear matrix, check the hardness
of the cured composite from the bottom by scraping
the surface with a tungsten carbide carver or similar
instrument.
6. Inspect this cured surface. Ideally, it should resist
indentation and there should be no soft material that can
be removed by the instrument.
7. Repeat the procedure as necessary to determine an
optimum combination of curing time and increment
thickness for the material.
NOTE: Darker shades within a line of composites normally require
additional curing time. Please refer to the material manufacturer's
instructions for use.
NOTE: Light output may vary depending on the light guide used.
VI. Troubleshooting
Please try the following procedures to rectify the common
problems listed below. Contact the manufacturer's customer ser-
vice department for all other problems encountered.
2 ) • If the Shot or Mode button doesn't light up
- Removing the battery pack and reinserting it will reset
the device to its original factory settings. On the base
of the handpiece, remove the two miniature screws
with the enclosed phillips head screw driver provided.
Slide the battery pack out of the handpiece and
reinsert it, replacing the two miniature screws.
- Place the handpiece on the charger base to recharge
until the red light changes to the green illuminated
light indicating a fully charged curing light.
This will resolve a low-power problem.
S.P.E.C. 3 ® LED Curing LIght