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1. OPERATIONAL OVERVIEW
1-20
Keys, buttons to use for navigation in menus
Control Unit
MENU key: Open main menu, or close menu when main menu is displayed.
CANCEL key: Go back one layer in menu, or close menu when main menu is dis-
played.
←key: Return to main menu, in no. 2 layer or higher.
Trackball module
Right button: Go back one layer, or close menu when main menu is displayed.
Left button: (1) Click menu title bar to go back one layer, or close menu when main
menu is displayed, (2) Click the left arrow on the menu title bar to return to the main
menu, in no.2 layer or higher.
Menu history feature
This chart radar remembers the 10 last-used menus to help you go to recently used
menus quickly. The memorized menus are cleared when the power is turned off. In-
stallation- and service-related menus and menus where no operation occurred are not
memorized. Menus accessed multiple times are counted as one menu.
Click the memory history buttons on the menu title bar to navigate through the last-
used menus.
For example, the last two used menus are [NAV TOOL] and [AIS].
Menu history buttons
History back
button
History forward
button
Memorized menu no. 1
Memorized menu no. 2
Click
Click