ACR1255U-J1 – Reference Manual info@acs.com.hkVersion V1.07 www.acs.com.hkPage 65 of 77LED Status LED Color DescriptionBit 3 2 RED 1 = ON; 0 = OFFBit 4 - 7 - RFU RFU6.8.4. LED StatusThis command checks for the existing LED’s status.LED Status Format (5 bytes)Command CLA INS P1 P2 LcLED Status E0h 00h 00h 29h 00hLED Status Response Format (6 bytes)Response CLA INS P1 P2 Le Data OutResult E1h 00h 00h 00h 01h LED StatusLED Status (1 byte)LED Status LED Color DescriptionBit 0 1 GREEN 1 = ON; 0 = OFFBit 1 1 RED 1 = ON; 0 = OFFBit 2 2 BLUE 1 = ON; 0 = OFFBit 3 2 RED 1 = ON; 0 = OFFBit 4 - 7 - RFU RFU6.8.5. Buzzer ControlThis command controls the buzzer output.Buzzer Control Format (6 bytes)Command CLA INS P1 P2 Lc Data InBuzzer Control E0h 00h 00h 28h 01h Buzzer On DurationWhere:Buzzer On Duration 1 byte00h = Turn OFF01 to FFh = Duration (unit: 10 ms)