ACR1255U-J1 – User Manual info@acs.com.hkVersion 1.03 www.acs.com.hkPage 5 of 322.2. Using the ACS Bluetooth demo applicationThis section provides a simple step-by-step procedure on how to use the ACR1255U-J1 BluetoothNFC Reader using the BT demo application.2.2.1. Connect a device1. Turn on the Bluetooth mode of ACR1255U-J1 to make it discoverable. To do this, slide thetoggle switch to the right.2. Turn on your device’s Bluetooth by going to Settings | Bluetooth.3. Open BT Demo application.4. Tap Select.5. Choose the reader to pair your iOS device with, and then tap Done.