Furuno FS-1562 Manual page 338

2.4.2 Heading set up
If the gyro reading does not match the one displayed on the handset or terminal unit,
complete the following procedure with the handset.
1. Press [FUNC] [5] [2] in this order. The "52 Gyro" menu is displayed.
2. Press the down arrow key to move the cursor onto "Hold."
3. Press the left arrow key to turn on Hold function.
4. Press up arrow key to move the cursor onto "Gyro."
5. Enter the gyro reading using numeric keys.
6. Press down arrow key to move the cursor onto "Hold."
7. When the gyro indication is equal to the gyro reading, press the right arrow key,
followed by [Enter] key.
8. Use the [FUNC] key to close the menu.
9. Confirm that the gyro indication on the handset follows the change of the ship's
heading.
5 2 G y r o
G y r o : 0 0 0
H o l d : O F F
E n t e r : [ E n t ]
H3-9
FELCOM 82