24Copyright © 2006 Nokia. All rights reserved.ComposerSelect Menu > Extras > Composer and a tone. To create your own ringing tones, enter thenotes. For example, press 4 for note f. Press 8 to shorten (-) and 9 to lengthen (+) theduration of the note or rest. Press 0 to insert a rest, * set the octave, and # to make the notesharp (not available for notes e and b).After you complete the ringing tone, select Options > Play, Save, Tempo, Send, Clear screenor Exit.Leaving applications running in the background increases the demand on battery power and reduces thebattery life.■ SIM servicesYour SIM card may provide additional services that you can access. This menu is shown only if it issupported by your SIM card. The name and contents of the menu depend on the SIM card.For information, contact your service provider.