Samsung Galaxy S7 User Manual page 163

Appendix
Adjusting the sound balance
Set the device to adjust the sound balance when using an earphone.
1
Connect an earphone to the device and wear it.
2
Launch the Settings app and tap Accessibility → Hearing.
3
Drag the adjustment bar under Left/right sound balance to the left or right and adjust
the sound balance.
Mono audio
Mono output combines stereo sound into one signal that is played through all earphone
speakers. Use this if you have a hearing impairment or if a single earbud is more convenient.
Launch the Settings app, tap Accessibility → Hearing, and then tap the Mono audio switch
to activate it.
Dexterity and interaction
Universal switch
You can control the touchscreen by connecting an external switch, by tapping the screen, or
by using head movements and face gestures.
Launch the Settings app, tap Accessibility → Dexterity and interaction → Universal
switch, and then tap the switch to activate it. If the universal switches are not registered on
the device, tap ADD SWITCH and set switches to control the device.
To activate the universal switch feature, at least one switch must be registered on the
device.
To set switches to control the device, tap SETTINGS → Switches.
To deactivate this feature, press the Home key three times.
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