Kärcher HDS 9/16-4 ST Gas Instructions Manual page 39

Adjusting the operations stand-by time
The operations stand-by time is set on the larger plate on the left
side-wall of the electrical cabinet.
S2
8 7 6 5 4 3 2 1
min. max.
The operations stand-by time is set in the factory to a minimum
time of 2 minutes and can be increased to a maximum time of 8
minutes.
17
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EN 39