Welch Allyn Multi-Operatory Air Abrasion Accessory - User Manual - Manual (Page 13)

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5. Depress the Beam Intensity up or down arrow keys to select the desired
operating Beam Intensity.
6. Depress the Particle Energy up or down arrow keys to select the desired
operating Particle Energy.
7. Select the desired Pulse mode by depressing the “Mode” button.
8. Ensure there are no error indications displayed at the bottom of the remote unit.
If there are indications, service the Mach 5/5+ appropriately.
9. Remove a handpiece from its cradle, and verify the other operatory remote
display goes blank, and indicates it is in Standby mode.
CAUTION: Ensure the activated handpiece is aimed safely away from
anything which may be damaged by high speed abrasive powder flow
propelled by high pressure air. Suitable test targets are a Klean Air II,
high volume suction device or a damp gauze or cloth.
10. Depress the associated footswitch briefly, and observe abrasive powder flowing
from the handpiece.
11. Check (or have an associate check) the second operatory handpiece to ensure
there is no powder or air flow from the unused handpiece during operation of the
first operatory.
12. Replace the handpiece.
13. Repeat the above checks for the second operatory.