Furuno GP-3700 Operator's Manual page 52

3. TRACK
Note 1: The erased tracks cannot be restored.
Note 2: The tracks in the internal memory that are set to [YES] on [DISPLAY OWN
TRACK] in the [DISPLAY INTERNAL MEMORY] menu cannot be erased.
Note 3: If the track is being automatically colored according to depth or water tem-
perature, and the color in use just before selecting [8. WATER TEMP] or [9. WTR
DEPTH] is chosen for erasure, all depth- (or water temperature-) colored track from
that point to the time of erasure will also be erased (see section 3.3.1).
[8. WATER TEMP] is
selected in the [CHANGE
TRACK COLOR] window.
Red is selected in the
[CHANGE TRACK
COLOR] window.
1. Press the MENU key to open the main menu.
2. Select [5. MARK/TRACK EDIT/DELETE].
3. Select [5. DELETE TRACK].
4. Select [SEL. METH.]
5. Press the applicable numeric key to select the method for erasing range. For [1.
BTWN 2PTS.] or [2. SET RNG], go to step 6. For [3. WITHIN RNG], [4. OUT OF
RNG], or [5.ALL], go to step 7.
6. Do one of the following:
Squares (memory points) appear on the track.
• [1. BTWN 2PTS.]: Select the starting memory point
to erase. Then select the ending memory point to
erase. The tracks between two points are erased.
Go to step 12.
Note: Both current track and playback track cannot
be erased at the same time.
3-12
Own ship
Yellow
Red
66.0°F
Purple
Light-blue
65.8°F
65.6°F
Red
Yellow
Erase Red at here.
66.2°F
Light-blue
Red
Yellow
Own ship
Yellow
Red
Purple
Tracks shown
with dotted lines
are erased.
Own ship
Memory point