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2. Plug the detachable power supply plug into the receptacle on
the back of the charging base (Figure 3). The power supply plug
may now be plugged into an AC supply. The power indicator
light on the charging base (Figure 3) will illuminate (green) if
power is available for charging.
Figure 3
3. Place the handpiece onto the charging base so that the
recharging pins on the charging base make contact with the
charging pads on the bottom of the handpiece (Figure 4). The
battery indicator light on the handpiece will illuminate green if
the handpiece is placed in the charging base properly.
Blinking green: Charging
Solid green:
Fully Charged
If the battery indicator light does not illuminate, check for proper
placement of the handpiece on the charging base. If proper con-
tact is NOT made between the handpiece and charging base,
error code E2 (see Errors) will appear on the LCD screen.
NOTE: Allow the handpiece to charge for at least 2 hours before
first use.
HANDPIECE STATES
The SmartLite IQ unit handpiece has five general states that will
affect display modes and functions.
1. Ready State: The handpiece is removed from the charging
base and is ready to operate.
2. Sleep State: If the handpiece is off of its charging base (or if
the power is interrupted to the charging base while the hand-
piece is on it) for more than ten (10) minutes, it automatically
powers down into a "sleep" state in order to minimize battery
drain.
3. Curing State: The handpiece is removed from the charging
base, the curing LED has been activated and is in a curing cycle.
4. Charging State: The handpiece is properly placed on a
powered charging base.
Power
Indicator
Light
Battery Indicator
LCD Screen
Charging Pads
Charging Pins
Figure 4
5. Error State: In the event of a malfunction of the device, the
LCD will show an error code (e.g. "E1") in place of the curing
mode indicator. In an error state the activation or function
buttons will not operate. (Please see Errors section for more
information.)
OPERATION
The SmartLite IQ unit will initiate polymerization (curing) of
materials that are activated by photoinitiators with a maximum
absorption in the wavelength range between 450-475nm (typically
camphorquinone).
NOTE: Light curing times for most DENTSPLY restorative
and preventive materials may be reduced from
standard curing times noted in the materials
Directions for Use. Minimum recommended curing
times for the SmartLite IQ unit are provided on the
DENTSPLY VLC Materials Curing Guide provided
with the light.
NOTE: When curing non-DENTSPLY VLC materials, always refer
to the manufacturer's directions for curing times.
DENTSPLY makes no recommendations for curing times of
non-DENTSPLY VLC restorative materials and curing times
for those materials are at the sole discretion of the clinician.
NOTE: As with any curing instrument, curing times should be
extended when curing through tooth structure or when the
distance from the curing light probe to the material
exceeds 3mm.
Handpiece Liquid Crystal Display (LCD)
The LCD display provides information about the curing mode,
exposure times and battery status of the SmartLite IQ unit.
• When the unit is off the charging base and in the ready state the
LCD shows the mode and battery charge level. (Figure 5)
• During a curing cycle, the LCD shows the battery level and
either a countdown or count up timer depending upon the
selected curing mode (see Selecting a Curing Mode).
When the handpiece is on the base and the charging base is
properly connected to an AC power source the LCD shows only
the battery level indicator. If the battery is recharging, the black
bar in the battery icon will cycle from low to high (Figure 6).
Low
• In the Sleep State the LCD becomes blank.
• In an Error State the LCD will display an error code
(see Figure 9).
6
Curing State
Figure 5
Charging
Full
Figure 6
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