1. Language Settings
Press [*] twice, enter your Master PIN, then press # to confirm.
Press 2 → System Settings
Press 1 → Language Settings
1 = Chinese
2 = English
Wait for the voice prompt: “Setting Succeeded.”
2. Volume Settings
Press [*] twice, enter your Master PIN, then press # to confirm.
Press 2 → System Settings
Press 2 → Volume Settings
1 = Higher Volume
2 = Lower Volume
3 = Mute
3. Eco Settings
Press [*] twice, enter your Master PIN, then press # to confirm.
Press 2 → System Settings
Press 3 → Eco Settings
1 = Turn On/Off Video
2 = Turn On/Off Facial Recognition
3 = Sensor Settings
Wait for voice prompt: “Operation is done.”
4. Dual Verification Mode
Press [*] twice, enter your Master PIN, then press # to confirm.
Press 2 → System Settings
Press 4 → Enable/Disable Dual Verification
Wait for voice prompt: “Operation is done.”
5. Infrared Handle
Press [*] twice, enter your Master PIN, then press # to confirm.
Press 2 → System Settings
Press 5 → Enable/Disable Infrared Handle
Wait for voice prompt: “Operation is done.”
6. Network Configuration
Press [*] twice, enter your Master PIN, then press # to confirm.
Press 4 → Network Configuration
7. Serial Number Enquiry Shortcut
System query (serial number) 400#