Like dave56 my first time out with new 575 and have the same control panel.
The 4 buttons on the left are fairly self explanatory (could do with indication as to off/on condition). However, the battery button when pushed, lights up the whole array of coloured, vertical bars above (red, yellow and green)? Oh and whilst the water pump is running the green bar illuminates? Absolutely no explanation in the manual.
Also have a solar panel with 'solar charger controller' which I finally discovered tucked under front seating. The user manual instructs you to download app that in