Bedienungsanleitung Pioneer AVIC-F9880BT (Seite 75 von 87) (Englisch)

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Android Auto

Android Auto has stopped.



The connected device is not compatible with Android Auto.

— Check if the device is compatible with Android Auto.



The startup of Android Auto failed for some reasons.

— Disconnect the cable from the smartphone, and then

connect the smartphone again after a few seconds.

— Restart the smartphone.

— Turn the ignition switch to OFF and then to ON.

If the error message is still displayed after performing the

above action, please contact your dealer or an authorised

Pioneer Service Station.



The time set in this product is not correct.

— Check if GPS signals are received and the time is correctly

set.

Bluetooth pairing failed. Please pair your Android phone

manually.



The Bluetooth pairing failed for some reasons.

— Pair this product with the device manually.

Android Auto cannot connect right now. When safe to do

so, please check your Android phone.



The default settings are displayed on the screen of the

Android Auto-compatible device or images are not output

from the Android Auto-compatible device.

— Park your vehicle in a safe place, and follow the instruc-

tions displayed on the screen. If the error message is

still displayed after performing a on-screen instructions,

please reconnect the device.

Positioning technology

Positioning by GPS

The Global Positioning System (GPS) uses a network of satellites

orbiting the Earth. Each of the satellites, which orbit at a height

of 68 900 000 feet (21 000 km), continually broadcasts radio

signals giving time and position information. This ensures that

signals from at least three can be picked up from any open area

on the earth’s surface.

The accuracy of the GPS information depends on how good the

reception is. When the signals are strong and reception is good,

GPS can determine latitude, longitude and altitude for accurate

positioning in three dimensions. But if signal quality is poor, only

two dimensions, latitude and longitude, can be obtained and

positioning errors are somewhat greater.

Positioning by dead reckoning

The built-in sensor in the navigation system also calculates your

position. The current location is measured by detecting driving

distance with the speed pulse, the turning direction with the gyro

sensor and inclination of the road with the G sensor.

The built-in sensor can even calculate changes of altitude, and

correct the discrepancies in the distance travelled caused by

driving along winding roads or up slopes.

If you use this navigation system with connecting the speed

pulse, the system will become more accurate than no connec-

tion of speed pulse. So you connect the speed pulse without fail

to get the accuracy of positioning.

The position of the speed detection circuit vary depending

on the vehicle model. For details, consult your authorised

Pioneer dealer or an installation professional.

Some types of vehicles may not output a speed signal while

driving at just a few kilometres per hour. In such a case, the

current location of your vehicle may not be displayed cor-

rectly while in traffic jam or in a car park.

How do GPS and dead reckoning

work together?

For maximum accuracy, your navigation system continually com-

pares GPS data with your estimated position as calculated from

the data of built-in sensor. However, if only the data from the

built-in sensor is available for a long period, positioning errors

are gradually compounded until the estimated position becomes

unreliable. For this reason, whenever GPS signals are available,

they are matched with the data of the built-in sensor and used to

correct it for improved accuracy.

If you use chains on your wheels for winter driving or put on

the spare wheel, errors may suddenly increase because of

difference in wheel diameter. Initialise the sensor status and

it may recover the accuracy to normal condition.



For details, refer to Clearing the status on page 62.

Map matching

As mentioned, the positioning systems used by this navigation

system are susceptible to certain errors. Their calculations may,

on occasion, place you in a location on the map where no road

exists. In this situation, the processing system understands that

vehicles travel only on roads, and can correct your position by

adjusting it to a nearby road. This is called map matching.

With map matching

Without map matching

< CRB4818-B >

Appendix

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