Kongsberg Simrad SN90 Reference Manual page 417

Set New Ship Centre
Place the cursor anywhere in the view, right-click and select
The function moves the vessel symbol to the selected position.
/
Zoom Zoom Reset
Place the cursor anywhere in the view, right-click and select
level is provided. Once zoom is activated, the text on the shortcut menu changes to
. Select
Zoom Reset
Erase Echoes
Select
Erase Echoes
381294/E
to restore the original view
Zoom Reset
to "refresh" the view by deleting all the current echoes.
Menu system
.
Set New Ship Centre
. Only one zoom
Zoom
415