Furuno FR-2105 Operator's Manual page 130

Recording Data
When the track memory becomes full, the oldest track is erased to make room for the latest.
Further, when the mark memory becomes full you cannot enter another mark unless you erase
a mark. Thus you should save important data to a memory card.
1. Insert a formatted RAM card into the card drive.
2. Press [NAV MENU] and [6] to choose CARD.
3. If RECORD is not in reverse video, press [6] again.
4. Press [ENTER].
5. To record own ship's track press [2]; target track press [3]; marks press [4]; or radar map
press [5].
6. Enter file name. You may use ten figures.
7. Press [ENTER].
Replaying Data
1. Press [NAV MENU] and [6].
2. If REPLAY is not in reverse video, press [6] again.
3. Press [ENTER].
[REPLAY CARD 1]
1 [VIDEO PLOTTER]
2 XXX
3 XXX
4 XXX
5 XXX
6 XXX
7 XXX
8 XXX
9 XXX
0 [REPLAY CARD 2]
4. Press numeral key to select file to replay. You can go to the next page by pressing [0].
5. Press [ENTER].
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