Furuno GD-3300 Operator's Manual page 47

3-6
Entering a line
1. Operate the trackball to place the cursor on position desired for
starting point of line.
2. Press [ ]
3. Operate the trackball to place the cursor on the position desired
for intermediate (or end) point.
4. Press [ ]
5. To enter another point for the line, repeat steps 3 and 4.
Starting a new line
To add a point to the last-entered line, you simply designate the loca-
tion with the cursor and then press [
step 1 above.
Changing line color
Lines and marks share the same color. If you want to change line
color, therefore, press the [MARK COLOR] key and then select color
desired.
Deleting lines
Deleting individual points on a line
Operate the trackball to set cursor intersection on a triangle mark of
the line you want to delete and then press the [CLR] key.
Deleting all lines
1. Press [MENU], [7] and [3] to display the DELETE MARK screen.
7-3 DELETE MARK
TRACK MARKS USED : 3210
ARE YOU SURE ? IF YES PRESS ENT.
Figure 3-7 DELETE MARK menu
2. Press the [ENT] key.
]. To enter a new line, start at
MAX : 4000