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Northstar Explorer 657 Installation and Operation Manual10
2 Basic Operation
Overview of the keys
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 17-1).
Using the menus
Operate the 657 by selecting items from menus.
Items can be submenus, commands or data.
Selecting a submenu
A
after a menu item indicates a submenu, for
example Chart
. Press or to move the
highlight to the submenu, then press .
Starting a command
Press or to move the highlight to the
command, for example Goto cursor, then press
.
ESCAPE - Go back to an earlier menu or display. In chart mode,
centres chart at boat’s position.
DISPLAY - Show a menu of the main displays. To go to a display,
select it from the menu (see section 2-7).
CURSOR KEYS - to move the cursor or the selection highlight.
MENU - Show a menu of the options for the current window.
Press
again to display the Setup menu (see section 17).
ENTER - Start an action or accept a change.
ZOOM - Chart window: Zoom in or out to display different
areas and detail on the chart.
Sonar window: Change the depth range displayed.
FAVORITES - Allows you to quickly switch between your saved
favorite displays.
MOB - (Man Overboard, see section 2-4).
POWER - Turn 657 on and off (see section 2-2); adjust the backlighting
(see section 2-3).