10X M - 2 D T S B N 6 2 2 0 B TXOMAXDEThema:Safety instructions and precautionsOperating elements of the unitOperating elements1 PWR / VOL / MENU Power/volume/main menuPress this button will turn on power,during working longer press this buttonwill turn offpower.On any mode, shortly press will returnmain menu.2 GPS navigation modeSwitches to navigation mode.3 MUTEPress this button to turn off volumeoutput, press it again to restore theprevious volume level.Long press MUTE button to turn off TFTscreen, and short press it so that TFTscreen shall be re-lit.4 SD CARD microSD card slotThe indicated with "SD" card slot isreserved for the user's own micro SD-/SDHC- memory cards (in exFat or Fat32file system, 128GB max.) with thecustomer's personal multimedia contentsuch as music, pictures, videos.5 USB USB slotInsert USB removable device so as toread audio/video files.Warning: You can only use either frontor rear USB at a time. Never connectboth front and rear USB at the sametime! This could cause malfunctions.