There are some points where changing the tap behavior from Auto-Tap to Default will be helpful. For example if you need constant access to the Scanner Menu you can set the Tap Behavior to Default so that when you make a selection through Switch Control you will always get the Scanner Menu rather than needing to make a secondary switch and lengthening your Auto-Tap timer.
Launch Settings from your Home screen.
Tap Switch Control.
Tap Tap Behavior.
Tap an option:
Auto Tap: You change the the Auto Tap duration when it’s enabled. Just tap the plus and minus buttons that appear.