B&G Triton2 Operator's Manual page 22

Depth history page
Current depth and histogram of recorded depth data.
The Depth histogram time period can be set to show 5, 10, 30 or 60
minutes history.
You change the period from the menu or by using the arrow keys.
Speed/Depth page
Basic speed and depth. Speed field includes an acceleration
bargraph.
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Pages | Triton2 Operator manual