Defines specific scanner devices of each type.
Values:
DEFAULT -Default scanner available on the device
INTERNAL_CAMERA1 -First available internal camera scanner
INTERNAL_IMAGER1 -First available internal imager scanner
INTERNAL_LASER1 -First available internal laser scanner
BLUETOOTH_IMAGER1 -First available Bluetooth imager scanner such as the RS507
PLUGGABLE_LASER1 -First available pluggable laser scanner such as the RS4000
BLUETOOTH_IMAGER_RS6000 -First available Bluetooth imager RS6000 scanner
UNDEFINED -Scanner is undefined