## Take a cue tip and dip it into the isopropyl alcohol. The cue tip should be moist, but NOT soaked. Dab the cue tip on a paper towel to dry it slightly. [[File:Voltera cleaning.jpg|thumb|300x300px|Cleaning the calibration switches]]
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## Take a cue tip and dip it into the isopropyl alcohol. The cue tip should be moist, but NOT soaked. Dab the cue tip on a paper towel to dry it slightly. [[File:Voltera cleaning.jpg|thumb|left|300x300px|Cleaning the calibration switches]]
## Clean the calibration switches by rubbing them with the cue tip.
## Clean the calibration switches by rubbing them with the cue tip.