Nokia E51

Page 115
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Packet data (GPRS) settings
Select 
Menu
 > 
Tools
 > 
Settings
 > 
Connection
 >
Packet data
.
Your device supports packet data connections, such as
GPRS in the GSM network. When you are using your device
in GSM and UMTS networks, it is possible to have multiple
data connections active at the same time; access points
can share a data connection, and data connections remain
active, for example, during voice calls. 
To define the packet data settings, select 
Packet data
connection
 and select 
When available
 to register the
device to the packet data network when you switch the
device on in a supported network, or 
When needed
 to
establish a packet data connection only when an
application or action requires it. Select 
Access point
 and
enter the access point name provided by your service
provider to use the device as a packet data modem to your
computer. To use a high-speed data connection, select
High speed packet access
 > 
Enabled
.
These settings affect all access points for packet data
connections.
WLAN settings
Select 
Menu
 > 
Tools
 > 
Settings
 > 
Connection
 >
Wireless LAN
.
To have an indicator displayed when there is a WLAN
available in your current location, select 
Show WLAN
availability
 > 
Yes
.
To select the interval for your device to scan for available
WLANs and update the indicator, select 
Scan for
networks
. This setting is not available unless you select
Show WLAN availability
 > 
Yes
.
Advanced WLAN settings
Select 
Options
 > 
Advanced settings
. The advanced
WLAN settings are normally defined automatically, and
changing them is not recommended.
To edit the settings manually, select 
Automatic
configuration
 > 
Disabled
, and define the following:
•
Long retry limit
 — Enter the maximum number of
transmission attempts if the device does not receive a
receiving acknowledgement signal from the network.
•
Short retry limit
 — Enter the maximum number of
transmission attempts if the device does not receive a
clear-to-send signal from the network.
•
RTS threshold
 — Select the data packet size at which
the WLAN access point device issues a request to send
before sending the packet.
•
TX power level
 — Select the power level of your device
when sending data.
•
Radio measurements
 — Enable or disable the radio
measurements.
•
Power saving
 — Select whether to use the WLAN
power saving mechanism to save the power in the
device battery. Using the power saving mechanism
enhances the battery performance but may weaken
WLAN interoperability.
To restore all settings to their original values, select
Options
 > 
Restore defaults
.
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