1. During continuous use, the body temperature of the SD21 video camera increases. This situation is
normal.
2. If the SD21 video camera will not be used for a long time, remove and keep the battery properly, and
recharge the battery every sixth month to ensure the battery performance.
3. During recording, enabling the digital zooming function may affect the image quality.
4. Shooting view angles are slightly different in different working modes of the video camera.
5. If a video file is large in size, a computer or a special-purpose player is preferred for smooth playback.
6. Cyclic recording and frequent recording/deleting operations may leave data fragments in the SD card,
causing failure to record or save files. To solve this problem, just backup the data to an external storage
and format the SD card.