Ch 6 page 25 ELECTRICAL SYSTEM Radio Radio installed on the ADT: • Continental TR7412UB-OR. FM(Standard) • Continental TRD7412UB-OR DAB(Option) Figure 36 Figure 37 SHOP MANUAL General Power supply Maximum power output 4 x 41 W Suitable speaker imped ance 4 ohm Fuse spec 10 A Weight 0.7 kg Dimensions (WxDxH) 188x116.3x58.5 mm TROUBLESHOOTING Problem Possible cause Solution General The unit will not switch on. Car ignition is not on. Cable is not properly connected. Fuse is burnt. Turn your car key in the ignition. Check cable connection. Replace fuse with a new fuse of the same capac ity. No sound Volume is set at minimum or the mute function is on.
Check the volume or switch the mute function off. The unit or screen does not work normally. The unit system is unstable. Press the RESET button. Mode TUNER Unable to re ceive stations. The antenna is not connected properly. Connect the antenna properly. Poor quality re ception of radio station. The antenna is not fully extend ed, or it is broken. Fully extend the antenna and if broken, replace it with a new one. Mode USB Unable to insert USB The USB device has been in serted the wrong way round. Insert it the other way around. The USB device cannot be read. NTFS format is not supported. Check that the file system is in FAT or FAT32 format.
Due to different formats, some models of storage devices or MP3 players may not be read.