Furuno BACK GP-80 - Manual (Page 25)

3 – 1
3. MARKS
3.1 Entering/Erasing Marks
Marks can be inscribed on the Plotter 1 and
Plotter 2 displays. You may inscribe a mark
anywhere, in one of 13 shapes. Further, can
be connected with lines, to denote net loca-
tion, etc.
Note 1: When the mark memory becomes full
no marks can be entered. When this occurs, the
buzzer sounds and the message shown below
appears on the display for three seconds to alert
you. To enter a mark when the mark memory is
full, erase unnecessary marks.
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 thre3e seconds to alert you.
Check the antenna cable for tight connection.
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.
Erasing marks
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.
Figure 3-3 ERASE TRACK/MARK menu
2) Press ▲ or ▼ to select Erase Mark.
3) Press s to select YES.
Can't save mark
Memory full
Can't save mark
No position data
CAUTION
All marks, including event marks and the
MOB mark, are erased on the ERASE
MARK menu. Be absolutely sure you want
to erase all marks; erased marks cannot
be restored.
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