If you're referring to changing the MPPT (Maximum Power Point Tracking) controller settings for an SMS 80A MPPT solar charge controller, the process can vary slightly depending on the brand and model (as multiple manufacturers produce "SMS"-branded or rebranded MPPT controllers). However, here's a general guide that applies to many 80A MPPT controllers:
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Steps to Change Settings on an MPPT 80A Controller
1. Access the Menu:
Press and hold the "Menu" or "Settings" button (usually for 3–5 seconds) until the screen enters settings mode.