First use (ExamReader)
ExamReader is a completely self-contained product that does not connect to any other device (except for charging).
ExamReader scans and reads out printed text using. For more details check Text Reader.
Make sure the product is charged. Press the On/Off button for three seconds to power on ExamReader (boot sequence takes about 10 seconds).
Select whether to use the product with left or right hand. Enter SettingsLeft/Right-Handed to select. Press OK to confirm and then Back to get back to Main menu.
View the below video for more details.