From the radio app, select > Setup Radio > Advanced Setup.

Headset Type

Sets the type of accessory headset or microphone you are using with the device (Headsets and Microphones).

VOX Level

Sets the sensitivity of a connected Voice Operated Transmission (VOX) accessory. A lower VOX setting is recommended for quiet environments, and a higher VOX setting is recommended for noisy environments.

Repeater Channel

Enables the GMRS repeater channels in the US, and the CBRS/PRS repeater channels in Australia and New Zealand. GMRS repeater channels are not available in Canada (Repeater Channels).