HTC Shadow Manuel D’Utilisation

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84  Managing your Phone
  In Confirmation time out, set the delay before an unconfirmed action 
times out.
  In In-call alert volume, set the volume for incoming call or receiving new 
message alerts while you are in a call.
3. 
Select 
Done.
To change power management settings
Use Power Management to check the battery and configure settings that prolong 
battery life.
1. 
On the Home screen, scroll down to 
 on the Shortcut Bar, then select 
Manage Battery.
2. 
Adjust the following settings:
  In Backlight time out on battery / AC, select the amount of time for the 
phone to be idle before the backlight turns off when using the battery or 
AC power.
  In Display time out on battery / AC, select the time limit for the phone to 
be idle before the screen turns off when using the battery or AC power.
  In Backlight brightness, set the backlight brightness to Low, Medium, 
High, or Very High. 
Tip
Select Low or Medium to increase battery performance.
  In USB charge, select Off if you do not want to charge the battery when 
the device is connected to a computer. 
3. 
Select Done.
Tip
Main battery indicates the amount of battery life remaining.
To find the operating system version number
On the Home screen, select Start > Settings > About.