Button Function:
1. Press the Power button for 3 seconds to turn on/off the pump;
2. Short press the SET button to choose a pressure value;
3. Short press the Power button to start inflating;
4. Press the SET button for 3 seconds to turn on/off the LED light;
Ball Pump:
Volleyball: 6 PSI; / Basketball: 7-9 PSI;
Rugby ball: 9-11 PSI; / Football: 8-12 PSI.
(Pressure Value: 1 LBS=1 PSI)