When the screen is unlocked you will see a number underneath, the time that looks like 00.55T [ The number may be different for you ]
This is the remaining capacity in your water softener before it needs to do its next regeneration.
The number shown is the volume of water that you will need to use before the next regeneration [ .55 metric ton approximately 550 Liters ] Remember this number or write it down. Next press the menu button again to enter the setting menu.
Press the down arrow until you get to the REG.CAP menu.
The number displayed here is the regeneration capacity in metric tons your water softener started counting down from this number and will reset to this number after the next regeneration. Regeneration is a cleaning cycle for your water softener. This setting needs to be configured correctly for your home when the softener is installed. Compare the number in the REG.CAP menu to the front screen number the front
screen number should be lower, showing that the water usage has been measured and the water softener is working. When the number on the front of the screen reaches zero the water softener will regenerate at that next set time {usually set 2 am or 3 am ]