HAKO Scrubmaster B 120 R Service Booklet page 28

2.2.5 Accessing programming
The active level is changed by pressing tip switch 1:
Chapter -> Configuration -> Content -> Chapter
Chapter
Configuration Content
The value of the active level is increased by pressing tip
switch 2.
Once the highest value has been reached, it is returned to
the lowest value.
Figure 2.4
Pressing and holding tip switch 3 for at least 3 seconds
saves the selected setting of the content if the diagnostics
plug is connected to A1.X3.
The letter "d" in the parameter tables always means factory
setting.
Sheet 28