Nokia 5800 User Guide - Page 62

Hold your device correctly, Tips on creating a GPS connection, Check satellite signal status

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Positioning (GPS) Assisted GPS (A-GPS) is used to retrieve assistance data over a packet data connection, which assists in calculating the coordinates of your current location when your device is receiving signals from satellites. When you activate A-GPS, your device receives useful satellite information from an assistance data server over the cellular network. With the help of assisted data, your device can obtain the GPS position faster. Your device is preconfigured to use the Nokia A-GPS service, if no service provider-specific A-GPS settings are available. The assistance data is retrieved from the Nokia A-GPS service server only when needed. You must have an internet access point defined in the device to retrieve assistance data from the Nokia A-GPS service over a packet data connection. To define an access point for A-GPS, select Menu > Applications > Location and Positioning > Positioning server > Access point. A wireless LAN (WLAN) access point cannot be used for this service. Only a packet data internet access point can be used. Your device asks for the internet access point when GPS is used for the first time. Hold your device correctly When using the GPS receiver, ensure you do not cover the antenna with your hand. Establishing a GPS connection may take from a couple of seconds to several minutes. Establishing a GPS connection in a vehicle may take longer. The GPS receiver draws its power from the device battery. Using the GPS receiver may drain the battery faster. Tips on creating a GPS connection Check satellite signal status To check how many satellites your device has found, and whether your device is receiving satellite signals, select Menu > Applications > Location and GPS data > Options > Satellite status. If your device has found satellites, a bar for each satellite is shown in the satellite info view. The longer the bar, the stronger the satellite signal. When your device has received enough data from the satellite signal to calculate your location, the bar colour changes. To view the positions of found satellites, select Chg. view. Initially your device must receive signals from at least four satellites to be able to calculate your location. When the initial calculation has been made, it may be possible to 62 © 2009 Nokia. All rights reserved.

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Assisted GPS (A-GPS) is used to retrieve assistance data
over a packet data connection, which assists in calculating
the coordinates of your current location when your device
is receiving signals from satellites.
When you activate A-GPS, your device receives useful
satellite information from an assistance data server over
the cellular network. With the help of assisted data, your
device can obtain the GPS position faster.
Your device is preconfigured to use the Nokia A-GPS
service, if no service provider-specific A-GPS settings are
available. The assistance data is retrieved from the Nokia
A-GPS service server only when needed.
You must have an internet access point defined in the
device to retrieve assistance data from the Nokia A-GPS
service over a packet data connection. To define an access
point for A-GPS, select
Menu
>
Applications
>
Location
and
Positioning
>
Positioning server
>
Access point
. A wireless LAN (WLAN) access point cannot
be used for this service. Only a packet data internet access
point can be used. Your device asks for the internet access
point when GPS is used for the first time.
Hold your device correctly
When using the GPS receiver, ensure you do not cover the
antenna with your hand.
Establishing a GPS connection may take
from a couple of seconds to several
minutes. Establishing a GPS connection in
a vehicle may take longer.
The GPS receiver draws its power from the
device battery. Using the GPS receiver may
drain the battery faster.
Tips on creating a GPS connection
Check satellite signal status
To check how many satellites your device has found, and
whether your device is receiving satellite signals, select
Menu
>
Applications
>
Location
and
GPS data
>
Options
>
Satellite status
.
If your device has found
satellites, a bar for each
satellite is shown in the satellite
info view. The longer the bar,
the stronger the satellite signal.
When your device has received
enough data from the satellite signal to calculate your
location, the bar colour changes.
To view the positions of found satellites, select
Chg.
view
.
Initially your device must receive signals from at least four
satellites to be able to calculate your location. When the
initial calculation has been made, it may be possible to
Positioning (GPS)
© 2009 Nokia. All rights reserved.
62