Furuno GP-3500 - Manual (Page 62)

3. TRACKS
3-20
3.8 Changing Track Memory Capacity
The equipment stores a total of 16,000 points of track and marks, and the default
setting allocates 12,000 points for track and 4,000 points for marks and lines. If
you require a different apportion you may change it as shown in the procedure
below. Note that when the track memory capacity is changed, all tracks and
marks in the memory are erased. Save them to a memory card (See paragraph
10.2.2) or internal memory (See paragraph 10.4.1) if necessary. The internal
memory which has five memory brocks can store maximum 80,000 points of
track and marks.
1. Press the [MENU] key to show the main menu.
2. Press the [4] key to show the MARKS/SHIP’S TRACKS SETUP menu.
3. If the PAGE 2/2 appears, rotate the [ENTER] knob to select PREVIOUS
PAGE.
4. Rotate the [ENTER] knob to select SHIP’S TRACKS.
5. Press the numeric keys to enter the track memory points.
Note: To clear entry, press the [CLEAR] key.
6. Press the [ENTER] knob, and the following window appears.
ALL TRACKS, MARKS &
LINES WILL BE DELETED.
ARE YOU SURE?
YES ... PRESS KNOB
NO ... PRESS CLEAR KEY
Note:
If the number more than 16,000 or “_ “ is entered at step 5, an error
beep sounds and the [ENTER] knob is inoperative.
7. Press the [ENTER] knob.
At this time all tracks, marks and lines in the memory are erased.
Note:
To cancel, press the [CLEAR] key.
8. Press the [MENU] key several times to close the menu.