LOW-40PSI: 1 blue lamp will light up, and the LOGO will display in white;
SOFT-60PSI: 2 blue lamps will light up, and the LOGO will display in yellow;
NORMAL-90PSI: 3 blue lamps will light up, and the LOGO will display in blue;
STRENGTHEN-110PSI: 4 blue lamps will light up, and the LOGO will display in green;
PULSE-110PSI: 4 blue lamps will flash from left to right in cycles, and the LOGO will display in green;
UPGRADED DIY MODE: The corresponding blue lamp will be on, and LOGO will display in the corresponding colors of white/yellow/blue/green and flashes, according to the pressure.