HP f310 Guide De Démarrage Rapide page 7

Speed Position Management
After satellite locates your position, you can manually add up to 200
speed camera (Traffic enforcement camera) locations into the system.
Press the / button to add a speed cam point.
Speed Limit Alert
Set a customized maximum speed limit. When the vehicle speed
exceeds the maximum, a warning tone is automatically triggered and
a warning message is displayed on the screen.
Press / button to set the speed limit. You can set the speed limit
from 50km/h to 200 km/h.