16Copyright © 2005 Nokia. All rights reserved.To delete a channel, you need to reset the headset to its original settings. All thesaved channels are cleared.To change from the FM radio frequency default range (87.5 to 108 MHz) to therange used in Japan (76 to 90 MHz), press and hold the fast forward and rewindkeys until the new frequency range is shown. Changing the range resets all thesaved channels.■ Lock or unlock the keysSlide the key lock switch towards the top of the headset to lock or towards themusic key to unlock the headset keys. A note and are displayed. When the keysare locked, all key presses are ignored. If you receive a call, the keys are unlockeduntil you end the call.■ View the timeWhen the headset is connected to a compatible phone, the headset shows thecurrent time in the standby mode if your phone supports the transfer of thisinformation into the headset. (In the standby mode, the headset is switched onbut not used.) To adjust the time, use the clock function in your phone.■ Missed calls and received messagesWhen you miss a call, is shown on the display.shows that you have at least one unread text or multimedia message that youcan view on the phone.