Furuno GP-3500F - Manual (Page 29)

1. BASIC OPERATION
1-19
Entering numeric data
8. PLOTTER SETUP
TURN KNOB TO SELECT MENU.
SELECT THE ITEM OF EACH MENU BY TRACKBALL.
LORAN-A GRI 0 0-01
CORRECTION 1 +000.0
µ
s
CORRECTION 2 +000.0
µ
s
Cursor
Plotter setup menu
1. Press the appropriate numeric key.
2. Press the [ENTER] knob.
You may also enter a value rotating the [ENTER] knob.
Note: If you enter a wrong value, move the cursor to the that position and then
re-enter the proper value. The cursor for entering value is moved by
rolling the trackball in left-right direction.
To clear a line of data, place the red cursor on the line and press the
[CLEAR] key.