ATO or A.T.O.: The Auto Top Off device
Initialization:
Press the three buttons("A.T.O.", "Pause", "LOCK") simultaneously for 5 seconds, hear a
"beep", the device starts the initialization.
SPT:
When the device is initialized, it will calculate the SPT (single pumping time) according to
the size of the tank.
LOW: LOW light or LOW light level
MID: MID light or MID light level
HIG: HIG light or HIG light level
Key Words Definition
3