Using the DLR-BT001Quick Reference Guide 5Table 3 - Power LED StatusTable 4 - Bluetooth® / USB LED StatusAcoustic and VibrationFor events signaling, two more resources exist to complete the User Inter-face:• Two tones Buzzer• VibratorSTATUS DESCRIPTIONGreen The reader is active and the battery charge is inthe range 35÷100%Orange The reader is active and the battery charge is inthe range 15÷35%Red The reader is active and the battery charge is inthe range 0÷15%STATUS DESCRIPTIONOFF No Connection establishedOrange USB Cable connected (either to a PC or to the ACadapter)Blue Bluetooth ® connected