HTC One M8 for Windows - Manual (Page 42)

Hiding notifications from the lock screen
If you want to prevent people from seeing or erasing your notifications,
you can hide notifications from the lock screen.
1. Swipe down from the top edge of the screen with one finger.
2. Tap All settings > notifications+actions.
3. Tap the checkbox next to Show notifications in action center when
my phone is locked.
Notifications and quick actions
Change what you can see and do in the Action Center.
1. Swipe down from the top edge of the screen with one finger.
2. Tap All settings > notifications+actions.
3. Tap a quick action item to replace it with another one.
4. Tap an app to choose what kinds of notifications you will allow.
Adjusting the volume
1. Press the VOLUME UP or VOLUME DOWN button to make the
volume bar appear.
42 Your first week with your new phone