This video will show you how to program your AQT-56SE valve for a filter or softener valve as a Timed System.
This programming setup fits the following valve models:

AQT-56SE-FT
AQT-56SE-ST

The timer regeneration mode allows your system to regenerate at the exact day and hour you programmed the valve.
For more details about your valve, check the installation manual. You can download it here:

https://aquatroltech.com/dl/manuals/AQT-56SE_Manual.pdf