S e t t i n g s64Warning tones—Turn warning and confirmation tones on or offAlert for—Set the phone to alert only when a member of a selected caller groupcalls. See "Set up caller groups," p. 28 for more information.■ Time and dateClockShow or hide the clockIn the standby mode, select Menu > Settings > Time and date > Clock > Showclock or Hide clock.Set the time1. In the standby mode, select Menu > Settings > Time and date > Clock > Setthe time.2. Enter the time (in hh:mm format), and select OK.3. Select am or pm (this option displays only when 12-hour format is in use).Change the time zoneIn the standby mode, select Menu > Settings > Time and date > Clock > Timezone and your time zone based on Greenwich Mean Time (GMT), plus or minushours in your time zone.For example, GMT-8 is US Pacific time in Los Angeles, CA. GMT does not includeDaylight savings time, so add or subtract accordingly.Change the formatIn the standby mode, select Menu > Settings > Time and date > Clock > Timeformat > 24-hour or 12-hour.DateShow or hide the dateIn the standby mode, select Menu > Settings > Time and date > Date > Showdate or Hide date.Set the dateIn the standby mode, select Menu > Settings > Time and date > Date > Set thedate, enter the date, and select OK.