Pioneer AVIC U310BT Owner's Manual - Page 120

Appendix Appendix When positioning by GPS is impossible ! GPS positioning is disabled if signals cannot be received from more than two GPS satellites. ! In some driving conditions, signals from GPS satellites may not reach your vehicle. In this case, it is impossible for the system to use GPS positioning. your vehicle may differ from the position displayed on the map screen. ! If you make a shallow turn. ! If there is a parallel road. In tunnels or enclosed parking garages Under elevated roads or similar structures ! If there is another road very nearby, such as in the case of an elevated freeway. When driving among high buildings When driving through a dense forest or tall trees ! If a car phone or cellular phone is used near this product, GPS reception may be lost temporarily. ! Do not cover this product with spray paint or vehicle wax, because this may block the reception of GPS signals. p If a GPS signal have not been received for a long time, your vehicle's actual position and the current position mark on the map diverge considerably or do not be updated. In such case, once GPS reception is restored, accuracy will be recovered. ! If you take a recently opened road that is not on the map. ! If you drive in zigzags. Conditions likely to cause noticeable positioning errors For various reasons, such as the state of the road you are traveling on and the reception status of the GPS signal, the actual position of 120 En