How do you Lock and Unlock a Regency Z 45 Scanner?

To lock and unlock a Regency Z 45 scanner, press and hold the "Lock" button located on the side of the device until you see the display indicate that the scanner is locked or unlocked. When locked, the scanner will not respond to button presses to prevent accidental changes. To unlock, simply repeat the process. Always refer to the user manual for specific instructions and troubleshooting.