Adjust basic settings. Go to Settings > General > Accessibility > Switch Control, where you can:

• Add switches
• Turn off auto scanning (if you've added a "Move to Next Item" switch)
• Adjust the scanning interval
• Set scanning to pause on the first item in a group
• Choose how many times to cycle through the screen before hiding Switch Control

• Turn Auto Tap on or off and set the interval for performing a second switch action to show the control menu
• Set whether a movement action is repeated when you hold down a switch, and how long to wait before repeating
• Set whether and how long you need to hold a switch down before it's accepted as a switch action
• Have Switch Control ignore accidental repeated switch triggers
• Adjust the point scanning speed
• Turn on sound effects or speech
• Select the items you want to see in the menu
• Make the selection cursor larger or a different color
• Set whether items should be grouped while item scanning
• Save custom gestures that you can choose from the Action portion of the control menu

Fine-tune Switch Control. Choose Settings from the control menu to:

• Adjust scanning speed
• Change the location of the control menu
• Switch between item scan mode and point scan mode
• Choose whether point scan mode displays crosshairs or a grid
• Reverse the scanning direction
• Turn sound or speech accompaniment on or off
• Turn off groups to scan items one at a time