If you find the settings changed in the menus or switches being not reflected when you turned the power back on again, it might be because an SD card was not inserted or the SD card was not recognized while changing the settings.
When changing any settings in menus or switches, confirm that the SD card is inserted correctly in the SDXC card slot.
-An SD card is also required to livestream or record video/audio, or to use still images, video or audio files on the SR-20HD.
-See "SD CARD COMPATIBILITY LIST FOR SR-20HD" for the latest information on SD card compatibility.
-To use a commercially available SD card with the SR-20HD, format it following the steps in "Formatting an SD Card".