Sony CDX-GT81UW Operating Instructions - Page 20

Radio reception The stations cannot be received. The sound is hampered by noises. • Connect a power antenna (aerial) control lead (blue) or accessory power supply lead (red) to the power supply lead of a car's antenna (aerial) booster (only when your car has built-in FM/AM antenna (aerial) in the rear/side glass). • Check the connection of the car antenna (aerial). • The auto antenna (aerial) will not go up. t Check the connection of the power antenna (aerial) control lead. • Check the frequency. • When the DSO mode is on, the sound is sometimes hampered by noises. t Set the DSO mode to "off" (page 11). Preset tuning is not possible. • Store the correct frequency in the memory. • The broadcast signal is too weak. Automatic tuning is not possible. • The local seek mode is set to "on." t Set to "Local off" (page 12). • The broadcast signal is too weak. t Perform manual tuning. During FM reception, the "ST" indication flashes. • Tune in the frequency accurately. • The broadcast signal is too weak. t Set to "Mono on" (page 12). An FM program broadcast in stereo is heard in monaural. The unit is in monaural reception mode. t Set to "Mono off" (page 12). USB playback You cannot play back items via a USB HUB. This unit cannot recognize USB devices via a USB HUB, and is not compatible with a device that has a HUB function. Cannot play back items. • Play back music files are protected by Digital Rights Management (DRM) technology (page 15). • Play back items on non-Mass Storage Class USB devices only. • If a USB device does not work, reconnect it. A beep sounds. During playback, the USB device has been disconnected. t Before disconnecting a USB device, make sure to stop playback first for data protection. The sound is intermittent. The sound may be intermittent at a high-bit-rate of more than 320 kbps. Error displays/Messages Blank Disc*1 Tracks have not been recorded on the MD.*2 t Play an MD with recorded tracks. Checking The unit is confirming the connection of a USB device. t Wait until confirming the connection is finished. Error*1 • The disc is dirty or inserted upside down.*2 t Clean or insert the disc correctly. • A blank disc has been inserted. • The disc cannot play because of some problem. t Insert another disc. • USB device was not automatically recognized. t Reconnect it again. • Press Z to remove the disc. Failure The connection of speakers/amplifiers is incorrect. t See the installation guide manual of this model to check the connection. Failure (Illuminates for about 1 second.) When the SAT tuner is connected, storing an SAT radio channel into a preset failed. t Be sure to receive the channel that you want to store, then try it again. Hubs Not Supported USB HUB or devices that have a HUB function are not supported on this unit. Load The changer is loading the disc. t Wait until loading is complete. Local Seek +/- The local seek mode is on during automatic tuning. NO Album Name An album name is not written in the track. NO Device (SOURCE) is selected without a USB device connected. A USB device or a USB cable has been disconnected during playback. t Be sure to connect a USB device and USB cable. NO Disc The disc is not inserted in the CD/MD changer. t Insert discs in the changer. NO Disc Name A disc/album/group/track name is not written in the track. NO Group Name A group name is not written in the track. NO Information Text information is not written in the MP3/WMA/ AAC files or ATRAC CD. NO Magazine The disc magazine is not inserted in the CD changer. t Insert the magazine in the changer. 20