- 14 -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 pairng mode.4. Double-click Bluetooth Device icon in the toolbar on your PC. SelectAdd New Devices. When you see a device list windows, chooseMS916-XXXX and 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 ,choose Open Settings. Go to COM Port page and select out-going COMport, for example COM 27.7. MS916 will beep when your PC successfully establish a BT connection withMS916.