You can set the configuration of the 3S by the voice menu instruction as below.
1. To enter into voice configuration menu, press and hold the (+) Button for 10 seconds until the LED shows solid blue and you hear high tone double beeps. You will hear a voice prompt saying “Configuration menu”.
2. Press the (+) Button to navigate between menus. You will hear voice prompts for each menu items as below.
3. You can enable or disable the feature or execute the command by pressing the (–) Button.
4. If any button is not pressed within 10 seconds, the 3S will exit the configuration and goes back to standby.
5. If you want to exit the configuration immediately, press and hold the (+) Button until you hear a voice prompt, “Exit configuration”, and press the (–) Button.
The voice prompts for each menu item are as below:
(1) VOX phone
(2) Voice prompt
(3) Delete all pairings
(4) Factory reset
(5) Exit configuration