Roborock S6 Pure Manual page 3

Part2 App Features
Instruction
Before the first cleaning task, please go to Settings page and turn on
the map saving mode. During cleaning, please ensure that the
cleaner starts from the dock charger. The cleaner will automatically
return to dock charger after all the rooms have been cleaned.
The charging dock needs to be placed against the wall. Obstacles are not
allowed within 0.5m to the left and right of the cleaner, and within 1m in front of
the charging dock.