Dynamic Range - Furuno 1835 Operator's Manual

1. DESCRIPTION OF OPERATION
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 (
3. Use the Cursorpad (
4. Use the Cursorpad (
[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.
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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 (
3. Use the Cursorpad (
key.
4. Use the Cursorpad (
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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) to select [Display] and press the ENTER key.
or
) to select [Data Box] and press the ENTER key.
or
Data Box options
) to select an option and press the ENTER key.
or
) to select [Echo] and press the ENTER key.
or
) to select [Display-Dynamic] and press the ENTER
or
Display-Dynamic options
or ) to select [Narrow], [Normal] or [Wide] then press the