Brief Instruction of VoCE main frame VoCE mounted Bluetooth module 1. Plug VoCE main frame into Bluetooth module. The red LED on main frame will be tuned ON. Connect the ear microphone to the USB port located on the top of main frame and wear it. The Mic. button is attached to the ear microphone cord. Bluetooth module 3. Establish Bluetooth connection to your cell phone. ⓐ Go into the "Settings" of your mobile phone and select the Bluetooth option from the selections available. ⓑ After checking whether the Bluetooth is ON, tap the registered RN52-XXXX. ⓒ Press the Power button on Bluetooth module until the LEDs (yellow and blue) flash. ⓓ Seconds later, when the Bluetooth device is successfully connected to your phone, your phone shows that RN52 is connected. And the yellow LED of Bluetooth module starts flickering. Navi switch Bluetooth Power button 4. To have secure communication and confirm it. ① Make sure both main frame and Bluetooth module are turned ON. ① Make sure main frame is turned OFF and Bluetooth module is turned ON. The red LED on main frame must be tuned ON (Caller ON) The red LED on main frame must be tuned OFF (Receiver OFF) and the yellow LED of Bluetooth module must blink. and the yellow LED of Bluetooth module must blink. ② Place a call with your phone, the dial tone is heard through the earphone. ③ When your phone rings, press Center button of Navi switch shortly. Main frame is turned ON receiving incoming calls automatically. ④ Both parties(A/B) can do general conversations like regular Bluetooth hands-free set. But this is unsecured communication. Adjusting the volume is made possible by pressing Up or Down button. ⑤ Press Mic. button shortly to invite your partner to encrypted conversations. You (A ) will hear “come come come~” from the speaker which indicates that you are in the process of requesting encrypted communications. ⑥ When you (B) hear the special signal ”zam zam zam~”, press Mic. button to start encrypted conversations. ⑦ Both parties (A/B) can hear the ‘dingdong’ sound which notifies that the secure connection is progressing. If my voice information is not enough, the ‘Low’ sound is heard, followed by the ‘Dingdong’ sound. You can start secure conversations when you hear the ‘OK’ sound as it signifies that the connection to Security mode is completed without failure. Have encrypted communication. ⑧ Disconnect Bluetooth module by pressing the Bluetooth(Headset) button or speakerphone button of your phone. You will hear non-interpretable noises which come through unsecured mobile phone network. You can continue secured conversations by turning on Bluetooth module again. ⑨ When Center button is pressed, the phone call is ended automatically powering OFF main frame. 2. Turn OFF & ON VoCE. Press Center button of Navi switch to power OFF main frame. The red LED on main frame will be tuned OFF and you will hear ‘OK’ or ‘Low’ through the earphone. Press Center button again to power main frame ON. zam OK Call receiver B Caller A inaudible noises ＃ % $ & ??? … ☞ B can initiate secure conversations ⑤, and A can confirm whether TeleSecurity works or not ⑧.