Chapter 3 Advanced Usage Bluetooth Security Settings ( Bluetooth ) When the firmware version is 1.02 ESC/POS or later, you can change the Bluetooth security settings. (iOS Blue- tooth model only) When the security settings are changed, the link key (pairing information) is removed. You can also change the settings using the printer Utility and TM Utility for iOS/Android. In Bluetooth model, select 2: Bluetooth, and then select 3: Security, and you can change the security settings. * When Middle or High is selected, the power LED flashes in the following pattern while pairing is possible.
3 Pairing method when the security is set to Middle/High (from the printer) When the security is set to Middle or High and the printer is ready to be paired, perform the following proce- dure. 1 Load paper in the printer, and then turn it on. Make sure no errors have occurred and that the printer is not off-line. 2 Open the roll paper cover, hold down the FEED button (two seconds), and when the buzzer sounds, close the roll paper cover. 3 A status sheet is printed, and the power LED flashes a pattern indicating that pairing is now possible. Pairing is possible for one minute after printing the status sheet.
63 Security Pairing Mode Pairing Method Low Pairing is always possible Just Works Middle Pairing is possible for one minute after printing the status sheet Just Works High Pairing is possible for one minute after printing the status sheet Numeric Comparison/Passkey Entry 5,120 ms Approx. 640 ms