For all Maxspect firmware updates please download at the following link for older equipment please upload to a micro SD card. Insert the micro SD card into the slot on the unit (Gyre 100,200 and 300series, Recurve, RSX and Turbine Duo pumps) hold down the dial button whilst putting power to the controller or light unit then select firmware update.

https://www.maxspect.com/en/lagoon-series.html?view=article&id=870&catid=202