Blackberry 8830 WORLD EDITION User Guide - Page 254

• If you have set the Date/Time Source field to Network, try setting the Date/Time Source field to BlackBerry. Notification profile troubleshooting My device is vibrating more times than expected For calls, the number of times that the BlackBerry® device vibrates is not determined by the number of vibrations that you set in your notification profile. The device vibrates until the caller or the wireless network ends the connection. I am not receiving notification for incoming calls or messages Try performing the following actions: • In the profile list, verify that the Off profile is turned off. • In a notification profile exception, verify that the Custom Phone Tune field is not set to Mute. I cannot set some fields when creating a Calls From notification profile exception If you assign a custom ring tone to a contact in the address book, a Calls From profile exception appears in the profile list. Because these exceptions are for calls only, you can only set the Custom Phone Tune field. Display troubleshooting My device screen turns off When you do not use your BlackBerry® device for a period of time, the screen turns off to conserve battery power. To turn on the screen, click the trackball or press a key. My display settings changed Depending on your theme, display settings, such as your font and Home screen background, might change when you switch themes. Language troubleshooting Some characters do not appear correctly on my device The BlackBerry® Enterprise Server or BlackBerry Internet Service that is associated with your BlackBerry device might not support the characters. For more information, contact your system administrator or your wireless service provider. 252