Lowrance HDS Gen2 Touch Operator's Manual page 27

You can change the camera tilt angle and rotate the camera around
the vessel by dragging your finger on the screen.
¼ Note:
When in rotate mode, use horizontal motions to rotate the
vessel. Use vertical motions to change the viewer perspective.
When rotate is selected the camera position is fixed, and the camera
can only be rotated and tilted. You rotate and tilt the camera by
tapping and dragging your finger on the screen.
Pan mode
You switch from Rotate mode to Pan mode by tapping Camera on
the menu or by tapping the rotate icon at the top of the screen.
The Rotate mode allows you to view the entire 3D chart, regardless
of vessel position.
You can rotate and move the camera (pan) away from your vessel.
You switch between panning and rotating camera motion by
tapping the icons on the right side of the chart panel.
When pan is selected, you move the camera away from the vessel
and around in the chart by tapping and dragging on the screen.
When you remove your finger from the chart the view will remain in
the selected position.
imagery
Lowrance mapping can be displayed in two different imagery styles,
either as 2D basic mapping style, or with shaded relief presenting
chart including terrain imaging.
2D mapping Shaded relief
Chart detail
Low
This is the basic level of information that includes information that is
required in all geographic areas. It is not intended to be sufficient for
safe navigation.
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Chart | Lowrance HDS Gen2 Touch