M e n u f u n c t i o n s24 Copyright © 2006 Nokia. All rights reserved.ComposerSelect Menu > Extras > Composer and atone. To create your own ringing tones, enterthe notes. For example, press 4 for note f.Press 8 to shorten (-) and 9 to lengthen (+)the duration of the note or rest. Press 0 toinsert a rest, * set the octave, and # to makethe note sharp (not available for notes e and b).After you complete the ringing tone, select Options > Play, Save,Tempo, Send, Clear screen or Exit.Leaving applications running in the background increases thedemand on battery power and reduces the battery life.■ SIM servicesYour SIM card may provide additional services thatyou can access. This menu is shown only if it issupported by your SIM card. The name andcontents of the menu depend on the SIM card.For information, contact your service provider.