Samsung SPH-P500 User Manual page 160

 Tap Enhance web accessibility to allow applications to install Google scripts that
make Web content more accessible.
 Tap Mono audio to enable stereo audio to be compressed into a single mono audio
stream for use with a single earphone.
 Tap Turn off all sounds to mute every sound made by the device during taps,
selections, notifications, etc.
 Tap Tap and hold delay to select a time interval to wait before interpreting a tap as
a tap and hold. Choose Short, Medium, or Long.
Settings 150