Use the screen rotation lock to keep the iPad screen in portrait or landscape orientation. Use the volume buttons to adjust the sound volume of songs and other media, and of alerts and sound effects.

Lock the screen orientation Rotate the screen to an orientation you like. Slide the screen rotation lock down to lock iPad in that orientation. When the screen is locked, the icon appears in the status bar. Slide the switch up to unlock the screen orientation.
Increase the volume Press the Volume Up button. To set a volume limit for music and other media, in Settings, choose iPod > Volume Limit.
Decrease the volume Press the Volume Down button.
Mute the sound Press the Volume Down button until the sound is completely off.

WARNING: For important information about avoiding hearing loss, see the iPad Important Product Information Guide at support.apple.com/manuals/ipad.