HTC one User Manual page 28

28 Your first week with your new phone
Increase ring volume automatically while phone is in your pocket or bag
Rotate HTC One for a better view
Touch gestures
Use touch gestures to get around the Home screen, open apps, scroll through lists, and more.
Tap
Pocket mode makes HTC One recognize when your phone is in
your bag or pocket and raise the ring volume so that you can hear
it in noisy environments.
You can turn this feature on or off. Go to Settings, tap Sound &
notification, and then select or clear Pocket mode.
Tap the screen with your finger when you want to select onscreen items
such as application and settings icons, or press onscreen buttons.
For many screens, you can automatically
change the screen orientation from
portrait to landscape by turning
HTC One sideways.
When entering text, you can turn
HTC One sideways to bring up a bigger
keyboard.