1. DESCRIPTION OF OPERATION
1-44
To show or hide the navigation data at the bottom of the screen, do the following:
1. Press the MENU key to open the menu.
2. Use the Cursorpad (S or T) to select [Display] and press the ENTER key.
3. Use the Cursorpad (S or T) to select [Data Box] and press the ENTER key.
Data Box options
4. Use the Cursorpad (S or T) to select an option and press the ENTER key.
[Off]: Turn off the data display.
[Nav]: Navigation data
[Target]: ARPA and AIS target data (See section 3.8 and 4.5.)
[All]: Navigation data plus ARPA and AIS target data
5. Press the MENU key to close the menu.
1.36 Dynamic Range
You can change the dynamic range to erase unwanted weak echoes (sea reflections,
etc.). Select [Narrow], [Normal] or [Wide] depending on conditions.
1. Press the MENU key to open the menu.
2. Use the Cursorpad (S or T) to select [Echo] and press the ENTER key.
3. Use the Cursorpad (S or T) to select [Display-Dynamic] and press the ENTER
key.
Display-Dynamic options
4. Use the Cursorpad (S or T) to select [Narrow], [Normal] or [Wide] then press the
ENTER key.
[Narrow]: Erase weak echoes.
[Normal]: Normal use
[Wide]: Display weaker echoes compared to [Narrow].
5. Press the MENU key to close the menu.
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