Why is there no sound after a successful scan, I have turned on the sound? MUNBYN Williams July 09, 2022 08:57 Updated A: Please ensure that the Scan app and system sound are both on. Figure 3- 10 Scan completion reminder Related articles Why does the light come out when the scan button is pressed on the side of the PDA, but not when the handle button is pressed? Why can't I unlock the device, keep sliding up and down with no response? How about not showing the first or last digit when the scan is successful, only the middle digit is desired？ Comments 0 comments Please sign in to leave a comment.