NorthStar Navigation Explorer 538i - Manual (Page 9)

Northstar Explorer 538i/538 Installation and Operation Manual 9
2 Basic Operation
Overview of the keys
Go back to an earlier menu or display. Any changes made are
ignored. In chart mode, centres chart at boat’s position.
Show a menu of the main displays. To go to a display, select it
from the menu (see section 2-8).
Cursor keys, to move the cursor or the selection highlight.
Show a menu of the options for the current display. Press
again to display the Setup menu (see section 17).
Start an action or accept a change.
Zoom in or out to display diff erent areas and detail on the
chart.
Man overboard (MOB, see section 2-5).
Turn Explorer 538/538i on and off (see section 2-3); adjust the
backlighting (see section 2-4).
2-1 Using the keys
In this manual:
Press means to push the key for less than a second.
Hold means to hold the key down.
The internal beeper beeps when a key is pressed (to disable or enable the beep, see section 14-1).