TomTom System NB1 Manual page 75

Tap this button to set the alerts you will receive and the sounds used for each
alert.
Alert settings
Tap this button to disable alerts.
Disable alerts
Tap this button to enable the report button. The report button is shown in the
Driving View or in the quick menu.
When the report button is shown in the Driving View, this button changes to
Disable report button.
Enable report
button
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