NAVTEQ iGo Primo User Manual page 110

The following alert types are available:

Audio warning: beeps or the spoken type of the alert can be played while you are
approaching one of these points, or extra alert sounds if you exceed the given speed
limit while approaching.

Visual warning: the type of the alert point, its distance and the related speed limit
appear on the Map screen while you are approaching one of these cameras. The
distance from the camera is also displayed.
For some of the alert points, the enforced or expected speed limit is available. For these
points, the audio alert can be different if you are below or above the given speed limit.

Only when speeding: The audio alert is only played when you exceed the given speed
limit.

When approaching: The audio alert is always played. In order to draw your attention,
the alert can be different if you exceed the speed limit.
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