Soft Keys; Trackball - Furuno 1933C Manual

SINS DISPLAY UNIT CONTROLS
S o f t K e y s | T r a c k b a l l
S o f t K e y s | T r a c k b a l l

Soft Keys:

The function of the five soft keys (figure 2) changes according to the operation. Their labels for their current functions are shown on the screen to the left
of the keys.
To hide or show the soft keys, press the [HIDE/SHOW] key. Each press of the key shows preset soft keys, user function keys, or turns off navigation
information (at the top of the screen).

Trackball:

The trackball functions to shift the cursor (figure 3), and is used for measurement of range and bearing to a location (radar) and latitude and longitude
position (plotter). Roll the trackball to shift the cursor. The cursor moves in the direction of trackball rotation.
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