24Copyright © 2006 Nokia. All rights reserved.ComposerSelect Menu > Extras > Composer and a tone. You can create your own ringing tones bykeying in the 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 to insert a rest, * set the octave, and # to make thenote sharp (not available for notes e and b).When the tone is complete, select Options >Play, Save, Tempo, Send, Clear screen or 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.