6
DEMI CURING LIGHT OPERATING STATES
During operation of the wand, there are three distinct operational states:
I. Idle: The unit is “Idle” when it is not “Curing” or in “Sleep” mode and the battery
is CHARGED or LOW. The user may cycle between 5-second, 10-second and
20-second curing modes by pressing the mode switch. Curing cycles are also
initiated when the unit is in the “Idle” state.
II. Curing: A “Curing” cycle is initiated by pressing, and releasing, the trigger
switch while the unit is “Idle”. A 5-second, 10-second or 20-second cycle will
be started, depending on the status indicated by the Curing Mode LEDs. Once
a “Curing” cycle is started, the Curing Light LED will be turned on and a tone
will sound. Depending upon which mode was selected, a tone will sound every
ve seconds until the cycle is complete, at which time a nal, longer duration,
tone will sound. Note: Pressing the Trigger Switch for a second time during a
“Curing” cycle immediately interrupts the “Curing” cycle and causes the nal tone
to sound, regardless of how much time has elapsed since beginning the cycle
(pressing the Mode Selection Switch during a “Curing” cycle has no eect).
III. Sleep: The Demi will go to “Sleep” to conserve battery life after approximately
8 minutes of no activity. It can be “awakened” by pressing either the mode or
trigger switch once, at which time the unit will be in the “Idle” state. The unit
will reect the last cure mode chosen. The mode or trigger switches can then be
pressed to switch between modes or to initiate a cure. While in “Sleep” mode, all
LEDs are turned o and the curing light will go into a low power state. Battery
life (if left uncharged and unused after receiving a full charge) is approximately
6-months whether the battery is in the handpiece or not.
OPERATE THE DEMI CURING WAND
I. Select the desired curing mode by pressing the Mode Selection Switch (1.). (Fig. 9)
II. Place the Light Guide (2.) over the tooth, as close to the tooth as possible without
touching it, press and release the Trigger Switch (3.). The unit will sound a tone
at 5-second intervals as previously described. (Fig. 9)
*Other light guides that may yield dierent outputs are available for the Demi.
MAINTENANCE: CLEANING / DISINFECTING / STERILIZING
I. Fiber-Optic Light Guide:
a) Immerse/thoroughly drench light guide in a surface decontaminate cleaner
(soap and water cleaning solution).
b) After 10 minutes, scrub with an instrument cleaning brush until visibly free
from debris.
c) Rinse all parts with warm water.
II. Fiber-Optic Light Guide - Sterilizing:
a) Sterilize in a steam autoclave using distilled water at a temperature of
270°F (132°C) for 20 minutes.
b) Do not add chemical solutions to the autoclave.
c) Do not use a chemical autoclave.
III. Optics Maintenance Kit (PN 21042) – After numerous autoclave cycles, a brown
or gray discoloration can accumulate on the polished ends of the light guide.
This is a residue that forms during the autoclave drying cycle. It is recommended
that the Optics Maintenance Kit be used every 50 autoclave cycles. Following the
instructions included in the kit helps promote optimum curing performance.
To remove composite that adheres to the tip of the light guide:
• Soak gauze in alcohol.
• Wrap the gauze around a razor blade.
• Rub the tip of the light guide with the gauze-protected razor blade until
the composite is removed.
• Note: Never use a blunt instrument to remove composite because it will
scratch the glass.
IV. Handpiece and Battery Charger -- Plastic parts can be cleaned following these
guidelines:
a) All plastic parts may be wiped with CaviWipes™ following the direction on
the package. A quaternary ammonium compound product like CaviCide™/
CaviWipes™ or similar is recommended (containing 20% alcohol or less).
b) Do not use: Denatured alcohol, Lysol®, phenol, ammonia complex or iodine
complex solutions.
c) Wipe, do not spray, solution onto plastic parts. Prevent liquids from
entering openings on unit.
CAUTION: Do not immerse the plastic parts in solutions. Use of solutions
other than those recommended may damage plastic parts and will void product
warranty. This unit is not autoclaveable.
INFECTION CONTROL MEASURES
In order to prevent cross-contamination, a disposable plastic sleeve must be
used over the Demi with each use.
WARRANTY
Kerr hereby warrants that for a period of two years (1 year for batteries) from the date
of purchase, this instrument shall be free from defects in material and workmanship
and will perform satisfactorily under normal use and service.
To register your warranty, complete the online warranty registration within 30 days of
purchase at www.kerrdental.com/warranty. If multiple units have been purchased, ll
out one registration form per unit. Please have your dealer invoice available. You can
also register your warranty by calling 1.800.KERR.123, (1.800.537.7123).
In the event of a breach of this warranty, Kerr’s liability is limited, at Kerr’s option, to
replacement of the defective product or part therof, or reimbursement of the actual
cost of the defective product. In order to take advantage of this limited warranty, the
defective product must be returned to Kerr. In no event shall Kerr be liable for any
indirect, incidental, or consequential damages.
EXCEPT AS EXPRESSLY PROVIDED ABOVE, THERE ARE NO WARRANTIES, BY KERR,
EXPRESS OR IMPLIED, INCLUDING WARRANTIES WITH RESPECT TO DESCRIPTION,
QUALITY, OR FITNESS FOR A PARTICULAR PURPOSE.
THE WARRANTY DOES NOT APPLY TO ANY DAMAGE OR DEFECT CAUSED BY THE USER’S
FAILURE TO FOLLOW THE INSTRUCTIONS FOR USE OR OTHER USER ERROR IN OPERATING
OR MAINTAINING THE INSTRUMENT. ALTHOUGH KERR OFFERS SERVICES TO REPAIR
INSTRUMENTS AND PROVIDES REPLACEMENT PARTS AFTER THE EXPIRATION OF THE
WARRANTY, KERR ONLY GUARANTEES THE AVAILABILITY OF SUCH SERVICES AND
REPLACEMENT PARTS FOR TWO YEARS AFTER THE INSTRUMENT MODEL HAS BEEN
DISCONTINUED.
ACCESSORIES & REPLACEMENT PARTS
Part No. Fiber Optic Light Guides
921677 2 mm Curved Light Guide
921676 4 mm Curved Turbo Light Guide
21020 8 mm Curved Turbo Light Guide
921551 11 mm Curved Turbo Light Guide
20812 13 mm Curved Light Guide
Part No. Eye Protection
20816 Protective Light Shield
Part No. Accessories
21042 Optics Maintenance Kit
20399 Disposable Hardness Disk, (pack of 6)
910726 Handheld LED radiometer
Demi Accessory Kit
921650 Battery Pack for Demi
11 mm Curved Turbo Light Guide & Disposable Hardness Disk
Handheld LED Radiometer
Optics Maintenance Kit
Part No. Replacement Parts
921654 Replacement Demi Handpiece without 8-mm Curved Turbo Light Guide
921653 Battery Pack for Demi
921655 Battery Charger for Demi
952269 Plug-in Universal Power Supply
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