Settings and Connectivity > Admin.settings > Packet data > Packet dataconnection > When needed.If this does not help, switch the device offand then on again.Q: Can I use my Nokia device as a faxmodem with a compatible PC?A: You cannot use your device as a faxmodem. However, with call diverting(network service), you can divertincoming 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 screencalibration. Follow the instructions.Green tipsHere are tips on how you can contributeto protecting the environment.Save energyWhen you have fully charged the batteryand disconnected the charger from thedevice, unplug the charger from the walloutlet.You do not need to charge your battery sooften if you do the following:• Close and disable applications,services, and connections when not inuse.• Decrease the brightness of the screen.• Set the device to enter the powersaver mode after the minimum periodof inactivity, if available in yourdevice.• Disable unnecessary sounds, such askeypad and ringing tones.RecycleMost of the materials in a Nokia phone arerecyclable. Check how to recycle yourNokia products at www.nokia.com/werecycle, or with a mobile device,www.nokia.mobi/werecycle.Recycle packaging and user guides at yourlocal recycling scheme.Save paperThis user guide helps you get started withyour device. For more detailedinstructions, open the in-device help (inGreen tips 117© 2010 Nokia. All rights reserved.