IFB Neptune Dx Instruction Manual page 15

Adjust the water softener according to how hard your tap water is.
Move the programme selector knob to the 0 (Reset) position while your machine is not
in operation.
After resetting your machine, press the Start/Pause button and keep it pressed
2
down.
Meanwhile, energise the machine by pressing the Power On/Off button.
Keep the Start/Pause button pressed until "SL" disappears from the display.
Release the Start/Pause button after "SL" disappears from the display.
Your machine displays the latest entered water hardness setting.
Water hardness can be adjusted by pressing "+" and "-" on
according to Table of Water Hardness Level Settings.
After adjusting the water hardness level , press on/off button to save settings in
4
memory.
1
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4
2
2
display.3