GoPro HERO 4 Black User Manual page 44

/ Multi-Shot Mode
Rate applies only to Burst. Photos can be captured at the following rates:
3 photos in 1 second
5 photos in 1 second
10 photos in 1 second
10 photos in 2 seconds
10 photos in 3 seconds
30 photos in 1 second (default)
30 photos in 2 seconds
30 photos in 3 seconds
PRO TIP: Sometimes 30 photos in 1 second is too fast. Try a slower
Burst interval to better match the action.
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