How to Enable the Internal Microphone on the HEIGH10

The HEIGH10 has two microphones for Bluetooth calls: one inside the screen and an external one that connects to the headliner with a clip. To switch between the internal and external microphones, follow the instructions below.

1. Press the HOME BUTTON, then press the "Settings" icon to access the settings menu.
2. Press the "Sound Settings" icon on the screen.
3. Press the "Advanced Settings" option inside the "Audio Settings" tab at the top.
4. Next to the Microphone Selection [INTERNAL-EXTERNAL] option, select "External" if the external microphone is installed or select "Internal" to use the |built-n microphone.