- 17 -2.3 BT SPP (Slave)BT SPP (Slave)Establishing BT connection in BT SPP (Slave) mode.1. To establish a BT connection between MS916 and your PC in BT SPP(Slave) mode, you must install unitech CDC Driver on your PC in advance.(unitech CDC driver link : http://tw.ute.com/products_info.php?pc1=3&pc2=296&rbu=0&pid=1616 )2. Use MS916 to scan BT SPP (Slave) barcode.3. Press Page Down key then press Scan button to enter BT pairing mode.4. Double-click Bluetooth® Device icon in the toolbar on your PC. Select AddNew Devices. When you see a device list windows, choose MS916-XXXXand then press Next.5. When PC is establishing a BT connection in BT SPP (Slave) mode withMS916, windows system will automatically install the required drivers.6. Back to your PC toolbar, right click on the Bluetooth® Device icon, chooseOpen Settings. Go to COM Port page and select out-going COM port; forexample COM 27.7. MS916 will beep when your PC successfully establish a BT connection withMS916.