Sony MEXBT2700 Operating Instructions - Page 26

The display disappears from/does not appear in the display window. • The dimmer is set "DIM-ON" (page 18). • The display disappears if you press and hold (OFF). t Press and hold (OFF) on the unit until the display appears. • The connectors are dirty (page 23). The Auto Off function does not operate. The unit is turned on. The Auto Off function activates after turning off the unit. t Turn off the unit. CD playback The disc cannot be loaded. • Another disc is already loaded. • The disc has been forcibly inserted upside down or in the wrong way. The disc does not playback. • Defective or dirty disc. • The CD-Rs/CD-RWs are not for audio use (page 21). MP3/WMA files cannot be played back. The disc is incompatible with the MP3/WMA format and version (page 21). MP3/WMA files take longer to play back than others. The following discs take a longer time to start playback. - a disc recorded with a complicated tree structure. - a disc recorded in Multi Session. - a disc to which data can be added. The display items do not scroll. • For discs with very many characters, those may not scroll. • "A.SCRL" is set to "OFF." t Set "A.SCRL-ON" (page 18). t Press and hold (DSPL) (SCRL). The sound skips. • Installation is not correct. t Install the unit at an angle of less than 45° in a sturdy part of the car. • Defective or dirty disc. The operation buttons do not function. The disc will not eject. Press the RESET button (page 7). Radio reception The stations cannot be received. The sound is hampered by noises. • The connection is not correct. t 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). t Check the connection of the car antenna (aerial). t If the auto antenna (aerial) will not go up, check the connection of the power antenna (aerial) control lead. 26 Preset tuning is not possible. • Store the correct frequency in the memory. • The broadcast signal is too weak. Automatic tuning is not possible. • Setting of the local seek mode is not correct. t Tuning stops too frequently: Set "LOCAL-ON" (page 18). t Tuning does not stop at a station: Set "MONO-ON" (page 18). • 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 "MONO-ON" (page 18). An FM program broadcast in stereo is heard in monaural. The unit is in monaural reception mode. t Set "MONO-OFF" (page 18). Bluetooth function The connecting device cannot detect this unit. • Before the pairing is made, set this unit to pairing standby mode. • While connected to a Bluetooth device, this unit cannot be detected from another device. Disconnect the current connection and search for this unit from another device. • When the device pairing is made, set the Bluetooth signal output to on (page 15). Connection is not possible. • Connect to this unit from a Bluetooth device or vice versa. The connection is controlled from one side (this unit or Bluetooth device), but not both. • Check the pairing and connection procedures in the manual of the other device, etc., and perform the operation again. The talker's voice volume is low. Adjust the volume level. A call partner says that the volume is too low or high. Adjust the volume accordingly using Mic Gain adjustment (page 15). Echo or noise occurs in phone call conversations. • Lower the volume. • If the ambient noise other than the phone call sound is loud, try reducing this noise. E.g.: If a window is open and road noise, etc., is loud, shut the window. If the air conditioner is loud, lower the air conditioner. The phone is not connected. When the Bluetooth audio is played back, the phone is not connected even if you press (handsfree). t Connect from the phone.