Vizualogic RoadTrip GPS Mirror - Manual (Page 25)

Click " " on the main menu, then you enter the settings interface,
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1) On the settings interface, tap " " ,then you enter the FM interface:
Device Settings
FM Setup
3) Click " ", " " or slide the block to adjust the emission
frequency, signal.
2) Click " " to turn on the FM or Click " " to turn the FM off. After turning on the FM, you
can continue to choose whether to open the loudspeaker of the device, or you can not.