Myron&Davis NV7NAT1 - Manual (Page 13)

En ter Aux iliary Inp ut mod e to select
op tion al ext erna lAV de vi ce
Mutes the Audio.
14 Enters Bluetooth interface
Insert a paperclip into this hole and press the
button inside the hole.The system will be
reset to the factory settings.
Mu ltime dia SD Ca rd Port
GP S SD Ca rd Port
DV D Ej ect load bu tton