What are the three modes of 4K photos of Panasonic GX85?

Panasonic GX85 with 4K technology has 4K photo function including three modes. Users can capture wonderful moments from the 30fps4K continuous shooting photo group with 8 megapixels, and choose the best photos to save. Its unique three shooting modes make 4k photography easier to use: 4K continuous shooting, 4K continuous shooting (S/S), 4K pre-continuous shooting (start/stop) and 4K pre-continuous shooting. 4K continuous shooting supports 30fps video/photo continuous shooting, just like photo continuous shooting mode. All these shooting modes support taking 4K photos with 8 megapixels, which can "quickly" capture the moment you want to record.