Sony MEX-N4000BT Operating Instructions - Page 23
Troubleshooting, General - reset
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The N-Mark is a trademark or registered trademark of NFC Forum, Inc. in the United States and in other countries. Windows Media is either a registered trademark or trademark of Microsoft Corporation in the United States and/or other countries. This product is protected by certain intellectual property rights of Microsoft Corporation. Use or distribution of such technology outside of this product is prohibited without a license from Microsoft or an authorized Microsoft subsidiary. iPhone, iPod, iPod classic, iPod nano, and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc. MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer IIS and Thomson. Pandora, the Pandora logo, and the Pandora trade dress are trademarks or registered trademarks of Pandora Media, Inc., used with permission. Google, Google Play and Android are trademarks of Google Inc. BlackBerry® is the property of Research In Motion Limited and is registered and/or used in the U.S. and countries around the world. Used under license from Research In Motion Limited. Troubleshooting The following checklist will help you remedy problems you may encounter with your unit. Before going through the checklist below, check the connection and operating procedures. For details on using the fuse and removing the unit from the dashboard, refer to the installation/ connections manual supplied with this unit. If the problem is not solved, visit the support site on the back cover. General No power is being supplied to the unit. If the unit is turned off and the display disappears, the unit cannot be operated with the remote commander. Turn on the unit. No sound. The position of the fader control [FADER] is not set for a 2-speaker system. No beep sound. An optional power amplifier is connected and you are not using the built-in amplifier. The contents of the memory have been erased. The power supply lead or battery has been disconnected or not connected properly. Stored stations and correct time are erased. The fuse has blown. Makes a noise when the position of the ignition is switched. The leads are not matched correctly with the car's accessory power connector. During playback or reception, the demonstration mode starts. If no operation is performed for 5 minutes with [DEMO-ON] set, the demonstration mode starts. Set [DEMO-OFF] (page 18). The display disappears from/does not appear in the display window. The dimmer is set to [DIM-ON] (page 18). The display disappears if you press and hold OFF. Press OFF on the unit until the display appears. The connectors are dirty (page 21). The operation buttons do not function. The disc will not eject. Press PTY and (back)/MODE for more than 2 seconds to reset the unit. The contents stored in memory are erased. For your safety, do not reset the unit while you are driving. 23GB