User's Manual

ACR1281S   
 Advanced Card Systems Ltd.  Page 28 of 56 
5. Buzzer Control 
 
Setting the Buzzer State: 
APDU Command = {E0 00 00 28 01 “Duration”} Unit = 10mS 
00 = Turn off 
01 ~ FE = Duration 
FF = Turn o 
APDU Response = {E1 00 00 00 01 “Status”} 
 
Reading the existing Buzzer State: 
APDU Command = {E0 00 00 28 00} 
APDU Response = {E1 00 00 00 01 “Status”} 
Example for buzzer on 50ms : 
Command: 02 6B 06 00 00 00 01 00 00 00 00 E0 00 00 28 01 05 A0 03 
ACK: 02 00 00 03 
Response: 02 83 06 00 00 00 01 00 00 81 00 E0 00 00 00 01 05 E1 03  
6. Default LED and Buzzer State 
CMD  MODE  Description 
Bit 0  ICC Activation Status 
LED 
To show the activation status of the 
ICC interface. 
1 = Enable; 0 =Disable 
Bit 1  PICC Polling Status LED  To show the PICC Polling Status. 
1 = Enable; 0 =Disable 
Bit 2  PICC Activation Status LED  To show the activation status of the 
PICC interface 
1 = Enable; 0 =Disable 
Bit 3  Card Insertion and Removal 
Events Buzzer 
To make a beep whenever a card 
insertion or removal event is 
detected. (For both ICC and PICC) 
1 = Enable; 0 =Disabled 
Bit 4  RFU  RFU 
Bit 5  RFU  RFU 
Bit 6  RFU  RFU 
Bit 7  Card Operation Blinking 
LED 
To blink the LED whenever the card 
(PICC or ICC) is being accessed. 
 
Setting the LED and Buzzer behaviors: 
Command = { E0 00 00 21 01 “CMD”}. Default value of CMD = 8F; 
Response = {E1 00 00 00 01 “Status”} 
 
Reading the existing behaviors of the LED and Buzzer: 
Command = { E0 00 00 21 00} 
Response = {E1 00 00 00 01 “Status”} 
Hints: 
If you want to enjoy the silent environment, just set the CMD value to “87”. 










