POWER/MODE The front button is known as the button.
We use this to turn the camera on (one short press), and turn the camera off (one long press, until the camera starts to beep 7 times).
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The HERO3 line of cameras has 3 buttons – A power button, a shutter button, and a Wi Fi button.Although the exterior looks identical, the small lens has been updated to an optic that Go Pro says will produce sharper video and improved quality.The real change however comes from the protective casing.(Back red light of death - Only the back light is on and the camera is non-responsive) Here is Hypoxic's list of issues with the Go Pro HERO HD 3 Blacks: Strikethrough means fixed!EXTREMELY CRITICAL The Gopro does not continuously adjust exposure therefore people such as skydivers, paintballers, marksmen, etc.