LG K4 User Manual page 85

Vision Screen colour adjustment: Adjust the display colour.
Vision Grayscale
Vision End calls with the Power key: End a call by pressing the
Power/Lock Key.
Hearing Captions: Turn on the subtitle service when playing
videos for the hearing impaired.
Hearing Flash alerts
light for incoming calls and notifications.
Hearing Turn off all sounds: Mute all sounds and lower volume
on receiver.
Hearing Audio type
Hearing Sound balance: Adjust the audio output balance. Use the
slide bar to change the balance.
Motor & cognition Touch assistant: Turn on the touch board to
make buttons and gestures easier to use.
Motor & cognition Touch and hold delay: Adjust the touch input
time.
Motor & cognition Touch and hold for calls: Answer or decline
calls by tapping and holding the call button instead of dragging it.
Motor & cognition Screen timeout: Turn off the screen
automatically when the device is left idle for a specified period of
time.
Motor & cognition Touch control areas: Limit the touch area
so that only a particular portion of the screen can be controlled by
touch input.
Accessibility features shortcut: Quickly access a frequently used
function by tapping three times.
Auto-rotate screen: Automatically change the screen orientation
according to the physical position of the device.
Switch Access
84