Blackberry 8310 User Guide - Page 9

Display and keyboard ...219 Backlighting ...219 Display options ...219 Keyboard options ...221 Themes ...222 Display troubleshooting ...223 Language ...225 Change the display language ...225 Add a display language ...225 Delete a display language ...225 About typing input languages ...225 Set the typing input language ...104 Turn off the shortcut for switching typing input languages ...225 Set the voice dialing language ...22 Set display options for contacts ...173 Language troubleshooting ...226 Wireless network coverage ...227 Find information about wireless coverage indicators ...227 Turn off a wireless connection ...227 Network connection indicators ...227 Turn on wireless coverage notification ...208 Check the wireless coverage level using a voice command ...41 About the preferred wireless network list ...228 Add a wireless network to the preferred wireless network list ...228 Change the order of preferred wireless networks ...229 Delete a wireless network from the preferred wireless network list ...229 Turn off data service ...229 About roaming ...230 Switch wireless networks manually ...230 Verify the status of network connections and services ...230 Wireless network coverage troubleshooting ...230 Power and battery ...233 Turn off your device ...233 Set your device to turn on and turn off automatically ...233 Check the battery power level ...233 Check the battery power level using a voice command ...42 Reset the device ...233 Extend battery life ...233