Operating instructions

1. From the main menu hit the button that says “Take     a Reading”
2. Then hit the “Start” button
3. Choose rectangular or round duct and identify if a        grille is in place
4. Enter a room number or description of the area           and the dimensions of the opening (if rectangular         typically whole even numbers such as 6” x 4”)
5. Hold the meter flat against the center of the grille       or center of opening if no grille is present and hit         “Start Test”
6. Hold the meter steady for up to 30 seconds (you         can stop the meter sooner, but there is a risk of           reduced accuracy)
7. Then you may identify the reading as supply or              exhaust and add a comment about the location            (both optional) and hit “Save” to record the test to       the history log or “Delete” to retake the test