32You can disable the indicator LED with the QR-coded parameter menu or configuration software. Regardless of suchsetting, however, the indicator LED comes on when:- you are setting parameters with the QR-coded parameter menu,- the scanner receives an LED-ON command (LB, LG or LR) from the host PC (refer to Appendix 2),- the configuration software starts up or any setting is newly established,- the scanner reads a batch-process QR code,- the parameter values are saved by a PW command (refer to Appendix 2),- a master code is being registered or the registration is completed,- any error occurs during registration of a master code,- the verification result is a mismatch, the scanner is locked or no master data has been registered in the Data Verificationmode,- data transfer has been completed or there is no previous data to be retransferred using the data retransfer function,- data transfer has been completed by the specific character transfer function,- the setting status of the readable code switching function is displayed,- you press the magic key that has been disabled by a control command (refer to Appendix 2) specifying any trigger switchoperating mode other than Continuous Reading modes 1 and 2 even though the ready/standby switching function hasbeen assigned to the magic key,- the setting status of the Barcode Reader mode switching function is displayed, and- a hardware error has occurred.