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61Personalizing your smartphone
Tip
: Backlight settings greatly affect battery life. Configure these
settings carefully to ensure that you get the most out of your
battery.
Managing system certificates
System certificates are used to positively identify your smart-
phone to other systems.
Tap Start > Settings > System > Certificates to view all
certificates.
Setting the date and time
To set the date and time, tap Start >
Settings > Clock & Alarms > Time tab.
Select your time zone from the drop-
down menu. Set the time by tapping
the up and down arrows. Select the
date from the drop-down calendar.
Tap OK when you have finished.
Setting alarms
1. Tap Start > Settings > Clock &
Alarms > Alarms tab.
2. Tap the checkbox to activate an
alarm.
3. Tap Description and enter a name for the alarm.
4. Select the day and time for the alarm.
5. Tap OK to confirm and save.
Adjusting microphone volume
You can adjust the microphone volume level and activate the
Automatic Gain Control (AGC) feature.