User's Manual

Menu Mode
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Head-Up mode. Your vessel will be shown in the lower half of the screen
and pointing towards the top. It will remain like this for the duration of
this mode, and when your vessel turns, the map will rotate about it.
Note If in this mode you start tracking your own vessel, if “Show Range Rings”
is activated, the range rings will disappear and the boat will move up the
display under its own heading.
Note The display could also work for a COG-Up, but the relationship between
the vessel and the map might not be representative of actual events taking
place, due to the influences of the wind and tide. Therefore, if no compass
is connected to the system, this mode will automatically appear as COG-Up.
5.2.4 Show Range Rings
This option allows you to toggle the range rings on and off. The default
value is “off” and no tick is shown in the box. To toggle this option on/off,
highlight it and press the  MENU or ►.
When set to “off” the range rings disappear from the display, however, the
overall range is still displayed in the lower left corner of the screen.
5.3 Display Settings
This section will configure the way the display and keyboard will look.
From the main menu highlight “Display Settings” and press  MENU
or ►. A sub menu opens displaying the various settings and their current
values as shown in Fig. 5.4.
5.3.1 Display Brightness
This option allows you to change the brightness of the display in steps of 10%.
Fig. 5.4 – Display settings menu