Sony STR-DN1070 Operating Instructions - Page 49

Additional Information setup again. For details on the settings of devices, refer to the operating instructions of the devices.  Wireless networks are influenced by electromagnetic radiation emitted by microwave ovens and other devices. Move the receiver away from these devices. Cannot select the [Network Settings] menu.  Wait for a few moments after you have turned on the receiver, and then select the [Network Settings] menu again. Error messages PROTECTOR The receiver will automatically turn off after a few seconds. Check the followings:  There may be an electrical surge or power failure. Unplug the AC power cord (mains lead) and then plug in the cord again after 30 minutes.  The receiver is covered and the ventilation holes are blocked. Remove the object covering the ventilation holes of the receiver.  The impedance of the connected speakers is below the rated impedance range indicated on the back panel of the receiver. Reduce the volume level.  Unplug the AC power cord (mains lead) and let the receiver cool down for 30 minutes while performing the following troubleshooting:  Disconnect all of the speakers and subwoofer.  Check that the speaker wires are tightly twisted on both ends.  Connect the front speaker first, increase the volume level and operate the receiver for at least 30 minutes until it completely warms up. Then, connect each additional speaker one by one and test each additional speaker until you detect which speaker is causing the protection error. After checking the above items and fixing any problems, plug in the AC power cord (mains lead) and turn on the receiver. If the problem persists, consult your nearest Sony dealer. An over-current from the  (USB) port was detected.  Disconnect the USB device as prompted in the warning message and close the message. List of messages after Auto Calibration measurements Code 30  Headphones are connected to the PHONES jack on the receiver. Remove the headphones and perform the Auto Calibration again. Code 31  Front speakers are not selected properly. Select the front speakers using SPEAKERS on the receiver and perform the Auto Calibration again. For details on selecting the front speakers, see "Selecting the front speakers" (page 36). Code 32, Code 33  Speakers were not detected or not connected properly.  None of the front speakers are connected or only one front speaker is connected.  Either the surround left or surround right speaker is not connected.  Surround back speakers or front high speakers are connected even though surround speakers are not connected. Connect the surround speaker(s) to the SPEAKERS SURROUND terminals.  A surround back speaker is connected only to the SPEAKERS SURROUND BACK/ BI-AMP/FRONT HIGH/FRONT B R terminal. If connecting only one surround back speaker, connect it to the SPEAKERS SURROUND BACK/BI-AMP/FRONT HIGH/ FRONT B L terminal.  Either the front high left or front high right speaker is not connected.  The calibration microphone is not connected. Make sure that the calibration microphone is connected properly and perform the Auto Calibration again. If the calibration microphone is connected properly but the error code still appears, the calibration microphone cable may be damaged. 49GB