Mode switch. For models Panasonic NVHD680, Panasonic ZDECK, Panasonic NVFJ611B, Panasonic AGTL350B, Panasonic NVFJ610B, Panasonic NVFJ710, Panasonic NVHD636, Panasonic NVHD645B, Panasonic NVHD680B, Panasonic NVSD430, Panasonic NVSD440B, Panasonic NVSJ206B, Panasonic NVSJ210B, NVHS820.