1-1
1. OPERATIONAL OVERVIEW
1.1 Controls
The keys are arranged according to the function.
No. Key
Function
Menu screen Display mode
1 MENU ESC • Closes the menu.
• Quits current operation.
Opens the menu.
2 ENT Confirms a selection. Switches the screen between main
(digital navigation data) and sub
(graphic screen).
3 Cursorpad • S or T: Select the menu item.
• W: Returns one layer in multi-layer
menu.
• X: Go to one layer in multi-layer menu.
S or T: Switches display on the in-
tegrity display.
4 LIST • Opens the list.
• Switches the list (any display → active alert → alert log → device list → any
display). Long-press to switch the list in reverse order.
5 DISPLAY Opens the display mode. Switches the screen between THD
and SDME modes.
6 0 to 9 • Selects and confirms the menu item.
• Enters a numeric character.
• Long-press 0 key to reset the trip
distance.
• Long-press 1 key to switch the
unit of the own ship’s speed be-
tween [cm/sec] and [Preset Unit]
set in paragraph 8.3.3.
7 ACK Acknowledges an unacknowledged alert when the pop-up appears.
8 BRILL Opens the brilliance adjustment window.
Adjusts the display brilliance when the adjustment window is open.
9
(Power)
Turn the power on and off.
MENU
ESC
ENT
LIST
DISPLAY
12
3
45
6
78
9
ACK
0
BRILL
Operation keys
Function keys
1
3
4
2
5
6
7
8
9
MENU
ESC
ENT
LIST
DISPLAY
12
3
45
6
78
9
ACK
0
BRILL
10