See also:

Zone variation change procedure
The difference between magnetic north and geographical north is known as variance. In some areas, this difference can sometimes be great enough to cause false compass readings. Follow these instru ...

Let’s Practice
The system is equipped with a tutorial that allows you to practice saying commands and receive feedback on the volume, speed and timing of your speech. To initiate a practice session, access t ...

How to use the back button
Push the BACK button to return to the previous screen. ...