Furuno GP-3700F Operator's Manual page 72

4. MARKS, LINES
How to turn on or off an object to filter
1. Press the MENU key to open the main menu.
2. Select [4. MARK/TRACK SETTING].
3. Display [DISPLAY MARK FILTER] on page 4.
4. Select any one from [FISH TYPE] to [MULTI].
5. Select [ON] or [OFF]. The objects to filter which are set to [ON] are turned on when
pushing the ENTER knob. (See step 2 at "How to set object and content for the
mark filter" on page 4-10.)
How to set the fish type for the mark filter
You can set the option of content for [TYPE] (fish type).
1. Press the MENU key to open the main menu.
2. Select [4. MARK/TRACK SETTING].
3. Display [MARK FILTER FISH TYPE SETTING] on page 5.
4. Select any one from [TYPE OF FISH 1] to [TYPE OF FISH 10] to display the char-
acter entry window.
4-12
Character entry window for [TYPE OF FISH 1]