EM4100/TK4100 TM1990 Card Reader Duplicator 2 in 1 Card Reader Duplicator Two Modes Available Use T5577/5200/5201/MINI57 to copy EM4100/TK4100 ID number. Use RW1990 to copy TM1990 ID number. Connect to PC in reader mode and transfer ID number directly to PC message box (WORD, TXT, XLS) without driver. Duplicator mode connects to PC for power supply Card reader: 1. After power on, the red and green lights are always on, and the buzzer BI sounds. 2. DALLAS card serial number read out, automatic carriage return, buzzer BI a sound, the green light flashes once   (The same number is only output once) Duplicator: 1. After power on, the red light is always on, buzzer BI a long sound. 2. 2. After reading the card, buzzer BI a sound, green light flashes, enter the waiting copy, copy the success of the red and green lights flash at the same time, buzzer BI a sound, green light flashes back to wait for the copy of the second card (if the copy fails, the red light continues to flash for 2 seconds (buzzer BI - BI two error prompts), and then return to wait for the copy state)