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6-10
01 11 21 LINE CHANGE
02 12 22 MARK CANCEL
03 13
04 14
05 15
06 16 NAV LINE
07 17 COAST LINE
08 X 18 CONTOUR LINE
09 19 PROHIBITED AREAS
10 20 CABLE
CANCEL ENTER MARK: CANCEL KEY
[ENTER MARK]
00°00.000 N/S 5-N 6-S
000°00.000 E/W 7-E 8-W
MARK NO. 01
Figure 6-11 ENTER MARK menu (L/L position)
2. Enter latitude by numeric keys followed by the [ENTER] key.
3. Enter longitude followed by the [ENTER] key.
4. Enter mark number to select desired mark followed by the [ENTER] key.
5. To escape the mark entry mode, press the [CANCEL] key.
6.6.2 Erasing marks/lines
When the mark memory becomes full no marks can entered unless you erase unneces-
sary marks.
Erasing individual marks
1. Operate the trackball to place the cursor on the mark you want to erase.
2. Press the [CANCEL] key.
Erasing all marks and all lines
1. Press [NAV MENU], [9] in order.
2. Press the [4] key twice to select MARK OFF followed by [ENTER].
Erasing lines
1. Operate the trackball to place the cursor on the starting or end point of the line you
want to erase. Selecting the intersection of two lines erases both lines.
2. Press the [CANCEL] key.