Altina A600 - Manual (Page 42)

6.3 How to Zoom
The Zoom scroll bar can be used to Zoom In (+ Magnify) or to Zoom Out (-
Expand) on the displayed map.
You can zoom from 100 m (meters) to 400 Km (Kilometers - metric system) or
Imperial system from 60 y (yards) to 200 mi (Miles).
On the main map screen - Press the top of the scroll bar to zoom in, and the
bottom of the scroll bar to zoom out.
After a few seconds, the zoom level automatically returns to the default setting
for the current speed of the vehicle.
You can use the Arrow button on Device to Zoom.
(Arrow button is also referred to, as the Joystick, Action or Jog button
depending on manufacture).
Up to Zoom In
Down to Zoom Out
Right to Counterclockwise (CCW)
Left to Clockwise (CW)
Zoom
Scroll Bar