Samsung SM-S911B User Manual page 187

Appendix
Interaction control
Turn on the interaction control mode to restrict the device's reaction to inputs while
using apps.
1
Open Settings and tap Accessibility → Interaction and dexterity → Interaction
control.
2
Tap the Interaction control shortcut switch to turn it on.
3
Press the Side key and the Volume Up key simultaneously while using an app.
4
Adjust the size of the frame or draw a line around an area that you want to restrict.
5
Tap Done.
The device displays the restricted area. The restricted area will not react when you
touch it and the device's keys will be blocked. However, you can unblock functions for
the Side key, Volume key, and keyboard in interaction control mode.
To turn off the interaction control mode, press the Side key and the Volume Up key
simultaneously.
To set the device to lock the screen after turning off the interaction control mode, open
Settings, tap Accessibility → Interaction and dexterity → Interaction control, and then
tap the Lock screen when deactivated switch to turn it on.
Touch and hold delay
Set the recognition time for touching and holding the screen.
Open Settings, tap Accessibility → Interaction and dexterity → Touch and hold delay,
and then select an option.
Tap duration
Set the duration you must touch the screen for the device to recognise it as a tap.
Open Settings, tap Accessibility → Interaction and dexterity → Tap duration, tap the
switch to turn it on, and then set the time.
Ignore repeated touches
Set the device to recognise only the first tap within a set time when you tap the screen
repeatedly.
Open Settings, tap Accessibility → Interaction and dexterity → Ignore repeated
touches, tap the switch to turn it on, and then set the time.
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