For optimal operation, always refer to the specific manual for your camera’s exact model number (found on a sticker under the battery door). If unavailable, generic instructions for early 2000s CCD-based point-and-shoot cameras will apply.
The CCD S820 refers to a class of early 2000s compact digital cameras (often sold under generic brand names like Vivitar, Praktica, or Maginon) that utilized a CCD (Charge-Coupled Device) sensor. Unlike modern CMOS sensors, CCD sensors were prized in their era for producing lower noise and richer color accuracy, though they consumed more power.