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4. SLANT MODE
4.18.2
How to erase an event mark
Event marks can be deleted individually with the DELETE MARK key or by earliest
entry from the menu.
Delete an event mark with MARK DELETE key
1. Use the trackball to place the cursor on the event mark you want to erase.
The color of the mark changes from white to red when the mark is correctly select-
ed.
2. Press the DELETE MARK key to delete the mark.
Delete an event mark from the menu
1. Push the right-click button on the numeric/graphic data display to show the pop-
up menu.
2. Select [Erase Marks] then push the left-click button.
3. Select [Event Mark1 (2)] then push the left-click button. Push the left-click button
again to delete the earliest mark.
4. Long-press the MENU/ESC key to close all menus.
Note: The default function of the 3/F3 (for event mark 1) and 4/F4 (for event mark 2)
keys delete the oldest event mark or own ship mark.
4.19
Net Course Mark
Before shooting the net, decide the shoot timing considering tide direction, distance to
the school of fish and moving direction of the school of fish. Use the net course mark
as a guide to decide the timing. This function requires speed and heading data.
How to enter the net course mark
1. Press the MENU/ESC key to show the main menu.
2. Select [Others] then push the left-click button.
3. Select [Display Setting] then push the left-click button.
4-28
You observe picture from
direction of
mark.
(35)
Stored when
B
EVENT key is
pressed.
A
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