Advanced Card Systems Limited ACR122UA Benutzerhandbuch

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1. To use the product, you need to 
enable the PCSC Escape Command. 
This can be done by modifying the 
Registry Settings of the Device after it 
has been successful installed.  
 
Run “RegEdit” in the “Run Command 
Menu” of Windows  

 

 

2. Add a DWORD 
“EscapeCommandEnable” under 
HKey_Local_Machine\SYSTEM\Current
ControlSet\Enum\USB\Vid_072F&Pid_2
200\Device Parameters 

 

 

3. Look for: VID_072F&PID_2200 
Then expand the node. This will list the 
USB port where you have plugged the 
reader. Choose one port. Look under 
Device parameters 

 

 

 

 

 

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ACR122U NFC Reader SDK User Manual 
Version 1.7                             October 2008