Pioneer AVIC-Z3 Manuel d'utilisateur télécharger pdf (Page 194)

! Do not cover the GPS antenna with spray

paint or car wax, because this may block

the reception of GPS signals. Snow buildup

can also degrade the signals, so keep the

antenna clear.

p If, for any reason, GPS signals cannot be re-

ceived, learning and error correction are

not possible. If GPS positioning has been

operating for only a short time, your vehi-

cle’s actual position and the current loca-

tion mark on the map may diverge

considerably. Once GPS reception is re-

stored, accuracy will be recovered.

Vehicles that Cannot

Obtain Speed Pulse Data

p The speed pulse data comes from the

speed sensing circuit. The location of this

speed sensing circuit depends on your ve-

hicle model. In some cases, it is impossible

to make a connection to it, and in such a

case we recommend that ND-PG1 speed

pulse generator (sold separately) be

used.

Conditions Likely to Cause

Noticeable Positioning Errors

For various reasons such as the state of the

road you are traveling on and the state of re-

ception of the GPS signal, the actual position

of your vehicle may differ from the position

displayed on the map screen.

! If you make a shallow turn.

! If there is a parallel road.

! If there is another road very nearby, such

as in the case of an elevated freeway.

! If you take a recently opened road that is

not on the map.

Appendix

194

Appendix

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Pioneer AVIC-Z3 Manuel d'utilisateur Page 194