Furuno GP-3500 - Manual (Page 70)

4. MARKS & LINES
4-8
Erasing marks and lines by shape
1. Press the [MENU] key to show the main menu.
2. Press the [5] key to show the MARKS/SHIP’S TRACKS EDITION menu.
3. Press the [2] key to show the DELETE MARKS window.
5-2. DELETE MARKS
ENTER
SELECT 1. CURSOR 2. AREA 3. INSIDE 4. OUTSDE 5. ALL
COLOR 1. 2. 3. 4. 5. 6. 7. 8. ALL
SHAPE
ALL
SET "SELECT", "CURSOR" AND "SHAPE".
PLACE CURSOR ON "ENTER".
Delete marks menu
4. Rotate the [ENTER] knob to select SHAPE.
5. Roll the trackball in left-right direction to select the shape.
6. Rotate the [ENTER] knob to choose SELECT.
7. Press the appropriate numeric key to select the method.
8. Rotate the [ENTER] knob to select ENTER.
9. Do step 9 in the “Erasing marks and lines by color” on page 4-6.