Asus PureGo User Manual page 16

2. Wet a lens cleaning cloth or cotton swab with clean water, and clean both glass
sides of the optical detection chamber.
NOTE: Use clean water to clean your PureGo. Do not use organic solvents (such as oil
removers or alcohol) or detergents.
3. Rinse the bottom filter cover with clean water, then wipe it dry using a soft
cloth and reattach it to the PureGo.
4. After cleaning the PureGo, place the PureGo in clean water. Long press until the
LED ring lights up blue and perform a recalibration to make sure the PureGo
was properly cleaned.
5. The recalibration process is complete once the blue light turns off.
16 PureGo User Manual