ACR1255U-J1 – User Manual info@acs.com.hkVersion 1.03 www.acs.com.hkPage 30 of 329. After a successful driver installation, you can now use ACR1255U-J1 with various smart cardapplications. Below is a sample of ACR1255U-J1 connected in QuickView.4.4.2. Uninstall a deviceTo uninstall a device:1. Right-click on the device, and then click Uninstall.2. Click Yes to confirm uninstallation.3. The device will be removed from the reader list.Note: Since the TI USB dongle can only work on a one-to-one connection with a Bluetooth cardreader, you must first uninstall the previous device to connect to another one.