Do you have a question about the HPM D817SLIM and is the answer not in the manual?
Guide on setting the current time and day, including DST adjustments.
Instructions for navigating program settings and viewing ON/OFF times.
Detailed steps for setting ON/OFF times and day combinations for programs.
How to activate automatic operation and understand timer modes (ON, OFF, AUTO).
Explanation of the Random Feature for unpredictable switching patterns.
How to set a delayed ON or OFF switching time for a specific duration.