Furuno DD-80 - Manual (Page 27)

3 – 1
3. MARKS
3.1 Entering Marks
Marks can be inscribed on the Plotter 1 and
Plotter 2 displays, in one of 12 mark shapes.
Further, marks can be connected with lines to
denote net location, etc.
Note 1: When the mark memory becomes full
no marks can be entered. When this occurs,
the buzzer sounds and the message shown be-
low appears on the display for three seconds.
To enter a mark when the mark memory is
full, erase unnecessary marks.
Can't save mark
Memory full
Figure 3-1
Note 2: Marks cannot be entered when there
is no position data. When this occurs, the
buzzer sounds and the message shown below
appears on the display for three seconds to
alert you. Check the antenna cable for tight
connection.
Can't save mark
No position data
Figure 3-2
Entering marks
At own ship position
1) Press the [CURSOR ON/OFF] key to turn
off the cursor.
2) Press the [MARK] key.
At cursor intersection
1) Press the [CURSOR ON/OFF] key to turn
on the cursor.
2) Operate the cursor keys to place the cur-
sor on the location for the mark.
3) Press the [MARK] key.
3.2 Erasing Marks
Marks can be erased individually or collec-
tively.
Note: All marks, including event marks and
the MOB mark, can be erased on the ERASE
MARK menu. Be absolutely sure you want
to erase all marks; erased marks cannot be
restored.
Erasing individual marks
1) Place cursor on the mark to erase.
2) Press the [CLEAR] key.
Erasing all marks
1) Press [MENU ESC] and [3] to display the
ERASE TRACK/MARK menu.
ERASE TRACK/MARK
Erase Mark No
Erase Track
No Yes
Yes
Track Pts. Used:
Mark Pts. Used: 123/1000 Pt
345/1000 Pt
: Select
MENU: Escape
Figure 3-3 ERASE TRACK/MARK menu
2) Press ▲ or ▼ to select Erase Mark.
3) Press s to select YES.