A. How to TURN ON the FM function?
Step 1. Power on the Avantree Joytune by press and hold MFB for 3 seconds.
Step 2. Press and hold FM button for 2 seconds, then it will select and announce the clearest channel.
B. How to TURN OFF the FM function?
On standby mode, press and hold FM button for 2 seconds, then you will hear "FM turn off".
(Tip: The green LED doesn't come on that means the FM function was turn off. )