Sony HDR-PJ810 - Manual (Page 208)

Impact sound may be detected by the built-in microphone even when an external microphone is attached.
The image recorded may be noisy when this product has failed to analyze the shot properly because there may be
movement in background of the recording screen. It is recommended that you record images under stable conditions
(for example, using a tripod).
Hint
You can check your form using self-timer. Select [ ] / [ ] - [On], this product starts countdown of the timer after
you press the START/STOP button. The point when the count reaches 0 is assumed as the moment of impact and
motion before and after 0 is recorded.
Notes on use
4-489-505-11(1)
Copyright 2014 Sony Corporation
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