Targa PNA-M4320T User Manual And Service Information page 63

English
Manual: Your Personal Navigation Device will alert you
about all traffic jams. Prior to calculating an alternate route,
you will be prompted on whether you wish to use an
alternate route or stay on the current route.
Average speed lets you determine an average speed. If you exceed
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the set average speed, an alert will be displayed. To set this, first
enable the Average Speed function (see page 55) Select a
suggested value by tapping the corresponding button and tap the
confirmation button to confirm.
You can also tap the ? button to enter a custom value.
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Navigation Device PNA-M4320T