Appendix H
228 Envizio Pro™ and Envizio Pro II® Installation and Operation Manual
3. Increase the sensitivity until the system indicates a blockage.
4. Decrease the sensitivity by 3 to 5 units at a time until the field computer no longer indicates blockage
conditions.
Note: Do not decrease the sensitivity value below the initial value. Check the indicated sensor locations
and clear any obstructions and repeat the above procedure if the sensitivity value is decreased
below the initial setting.