Nokia 5800 XpressMusic User Manual page 106

2. To increase the background scan time interval, adjust the time in Scan for
networks. To stop background scans, select Show WLAN availability > Never.
3. To save your changes, select Back.
When Show WLAN availability is set to Never, the WLAN availability icon is not
displayed in the home screen. However, you can still manually scan for available
WLAN networks, and connect to WLAN networks as usual.
Q: What do I do if the memory is full?
A: Delete items from the memory. If Not enough memory to perform operation.
Delete some data first. or Memory low. Delete some data from phone memory. is
displayed when you are deleting several items at the same time, delete items one by
one, beginning with the smallest items.
Q: Why can't I select a contact for my message?
A: The contact card does not have a phone number, address, or e-mail address. Select
Menu > Contacts and the relevant contact, and edit the contact card.
Q: How can I end the data connection when the device starts a data
connection again and again?
A: The device may be trying to retrieve a multimedia message from the multimedia
message centre. To stop the device from making a data connection, select Menu >
Messaging and Options > Settings > Multimedia message > Multimedia
retrieval. Select Manual to have the multimedia messaging centre save messages to
be retrieved later, or Off to ignore all incoming multimedia messages. If you select
Manual, you receive a notification when you have a new message in the multimedia
message centre. If you select Off, the device does not make any network connections
related to multimedia messaging. To set the device to use a packet data connection only
if you start an application or action that needs it, select Menu > Settings and Admin.
settings > Packet data > Packet data connection > When needed. If this does
not help, switch the device off and then on again.
Q: Can I use my Nokia device as a fax modem with a compatible PC?
A: You cannot use your device as a fax modem. However, with call diverting (network
service), you can divert incoming fax calls to a fax number.
Q: How do I calibrate the screen?
A: The screen is calibrated at the factory. If it is necessary to recalibrate the screen, select
Menu > Settings and Phone > Touch input > Touch screen calibration. Follow
the instructions.
Q: Why do I get the error message Expired certificate or Certificate not
valid yet when I am installing a downloaded application?
A: If Expired certificate or Certificate not valid yet is displayed, even if the certificate
should be valid, check that the current date and time in your device are correct. You may
have skipped the setting of date and time when starting the device for the first time,
or the mobile network may have failed to update these settings to your device. To
resolve this, select Menu > Settings and Phone > Phone mgmt. > Factory
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