A-DEC 571 (01) PDF MANUAL

Take appropriate precautions when operating and maintaining the dental light. Avoid contact with components that may become hot when the light is on. To avoid burns, touch only the light handles and switches during operation. Always turn off the light and allow it to cool completely before maintenance or service.

The main components are:

Item Letter (in Figure 2 of PDF)	Description
A	Light handle
B	On/Off Switch
C	Intensity Switch
D	Flexarm
E	Switch Housing
F	Light Yoke
G	Light shield
H	Nosepiece

The dental light head features a large on/off switch (B in Figure 3 of PDF) that you can activate using the back of your hand or elbow. An intensity switch (A in Figure 3 of PDF) allows you to toggle between three intensities: high, medium, and composite.

A-dec dental lights can be operated from the A-dec 300 or A-dec 500 touchpad.

• To turn the light on, press the dental light button (A in Figure 4 of PDF) on the touchpad.
• To turn the light off, press and hold the light button.
• On A-dec 300 and 500 systems, you can press the light button on the touchpad to toggle between intensity settings. The LED indicator (F in Figure 4 of PDF) on the touchpad illuminates when the dental light is in the high or medium intensity setting. When the dental light is in the composite setting, the LED indicator flashes.

Key Touchpad Buttons (referencing Figure 4 in PDF):

• A) Dental Light Button
• B) Program Button
• C) X-Ray/Rinse Position Button
• D) Treatment Position Button(s)
• E) Entry/Exit Button
• F) Dental Light Indicator (LED)

Note: Touchpad symbols are proprietary to A-dec Inc.

The dental light includes an auto on/off feature that automatically turns the light on when the chair back reaches an operating position. When the chair back moves out of an operating position, it automatically turns off.

• To turn off the auto on/off feature, press and hold the program (B in Figure 4 of PDF) and light (A in Figure 4 of PDF) buttons simultaneously. A beep confirms the dental light on/off function is off.
• To turn the auto on/off feature back on, press and hold the program (B) and light (A) buttons simultaneously. Three beeps confirm the auto on/off feature is activated.

Under abnormal conditions, the dental light circuit breaker interrupts the flow of electricity. If the circuit breaker should trip, reset it by pushing the circuit breaker. The circuit breaker for your dental light is located on the power supply, which varies by product.
NOTE: *The circuit breaker for chair-mounted lights is located on the power supply in the chair utility area or remote floor box.
Circuit Breaker Locations:

Dental Light Mounting Location	Circuit Breaker Location Image Ref (in PDF)	Model/Location	Circuit Breaker Location Image Ref (in PDF)
*Chair mounted; A-dec 311 chair	Image Provided	*Chair mounted; A-dec 511 chair	Image Provided
*Chair mounted; Cascade,® Decade,® Performer,® and non-A-dec chairs	Image Provided	Post Mount; Cascade, Decade, Performer, and non-A-dec chairs	Image Provided
Track Mount	Image Provided	Ceiling Mount	Image Provided
Cabinet Mount	Image Provided	Wall Mount	Image Provided

Always turn off the dental light and allow it to cool completely before maintenance or service. The light is factory adjusted for proper illumination focus at 27 inches (700 mm) from the oral cavity. You can adjust the light focus (between 18 and 31 inches [460 mm and 790 mm]) to best suit your needs.
To adjust:

1. Place a white towel over the chair headrest to represent the oral cavity.
2. Position the light head at the distance you would normally use it when working in the oral cavity (select a distance representative of most of your work).
3. Turn the light on.
4. Use a large screwdriver or coin to turn the focus adjusting screw (A in Figure 5 of PDF) until the light within the borders of the light pattern is most uniform.

WARNING: The focus adjustment screw becomes very hot during operation. To avoid burns, do not touch the screw with your fingers while making this adjustment.

Adjust the light head tension if it is difficult to position, moves too easily, or tends to slip out of position. For horizontal rotation adjustments:

1. Use a hex key to make left/right rotation adjustments, beginning with the top screw on both sides of the switch housing (A in Figure 7 of PDF).
2. If the light head moves too easily, or tends to drift out of position, increase the tension by turning the screws right.
3. If the light is difficult to move, loosen the tension by turning the screws left.

For diagonal axis rotation, adjust the screws at the bottom of the switch housing (A in Figure 8 of PDF).

1. If the light head moves too easily, or tends to drift out of position, increase the tension by turning the screw right.
2. If the light head is difficult to move, loosen the tension by turning the screw left.
3. To eliminate all movement in the diagonal axis, tighten the adjustment screw until it is tight.

NOTE: Make the adjustment to only one side of the light head.

1. Loosen the setscrew (A in Figure 9 of PDF).
2. Remove the light yoke plug (B in Figure 9 of PDF).
3. Use a large flat-blade screwdriver to turn the adjustment screw under the light yoke plug.
4. If the light head moves too easily, or tends to drift out of position, increase the tension by turning the screw right.
5. If the light head is difficult to move, loosen the tension by turning the screw left.
6. When the desired tension is achieved, retighten the setscrew and reinstall the light yoke plug.

A-dec dental lights include a convenient spare bulb under the light yoke (See Figure 10 of PDF). To access the spare bulb, pull the plastic holder (A) from the light head. Remove the bulb (B) from the holder, but do not remove the outer wrapper.

CAUTION: Finger oils can affect light performance and severely limit bulb life. If you should inadvertently touch the bulb, gently clean it with cotton that is dampened with isopropyl or ethyl alcohol.

Follow these steps when replacing the bulb:

1. Turn off the light and allow it to cool.
2. WARNING: To avoid burning your fingers, allow the light shield to cool before removing. Never operate the dental light with the light shield removed. The light shield contains UV blocking additives. The light shield is also your protection in the unlikely event that the bulb shatters.
3. Release the toggles on the light shield and set the shield aside.
4. Using a gauze pad or cloth to protect your fingers, carefully pull the old bulb from its socket. Discard the bulb.
5. Holding the new bulb in its outer wrapper (A in Figure 11 of PDF) with the pins away from you, carefully insert the bulb pins into the socket. The bulb base is fragile and can break under excess pressure. (B in Figure 11 of PDF shows the new bulb).
6. Remove and discard the outer wrapper, then reinstall the light shield.
7. Verify the operation of the light by turning it on and operating it at each intensity setting.

Here are the parts you may use during routine maintenance:

Maintenance Parts List

Description	Part Number
Bulb Only	041.709.00
Light Shield and Nosepiece	28.0503.02
Light Shield	28.0503.01

Barrier Protection:
CAUTION: If you use barriers, always replace the barrier film after each patient.
A-dec recommends barrier protection for all applicable touch and transfer surfaces. Touch surfaces are areas that come into contact with hands and become potential cross-contamination points during dental procedures. Transfer surfaces are areas that come into contact with instruments and other inanimate objects.
In the USA, barriers must be produced under the Current Good Manufacturing Practice (CGMP) as specified by the U.S. Food and Drug Administration (US FDA). For regions outside the USA, refer to the medical device regulations specific to your location.

Cleaning / Maintain:
IMPORTANT: For recommendations on cleaning and chemical disinfection of touch and transfer surfaces (where barrier protection is not applicable or when barriers are compromised), please see the A-dec Equipment Asepsis Guide (p/n 85.0696.00) included with your equipment.

Operating Specifications:

• Operating voltage: 100, 120, or 240V
• Focal range: Adjustable; 18 – 31 inches (457 – 787 mm)
• Bulb: Quartz Xenon Halogen, single-end prongs
• Lamp rating: 17V / 95W
• Color temperature: 5000 Kelvin
• Light pattern: 3.3″ x 6.3″ at 27.6″ (84 mm x 160 mm at 701 mm)

Nominal Light Intensity:

• Composite: 8,000 lux (743 fc)
• Medium: 20,000 lux (1858 fc)
• High: 24,000 lux (2230 fc)
• Heat output: 325 BTU/hour

NOTE: Specifications are subject to change without notice.

CAUTION: Federal law restricts this device to sale by or on the order of a dentist, physician, or any other practitioner licensed by law of the state in which he or she practices to use or order the use of this device.