Sony STR-DH770 Operating Instructions - Page 37

List of messages after Auto Calibration measurements Error 30  Headphones are connected to the PHONES jack on the receiver. Remove the headphones and perform the Auto Calibration again. Error 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 29). Error 32, Error 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. Warning 40  The measurement process has been completed and a high noise level has been detected. You may be able to achieve better results if you try the process again in a quiet environment. Warning 41, Warning 42  The input from the microphone is too large.  The distance between the speaker and the microphone may be too short. Set them further apart and perform the measurement again. Warning 43  The distance and position of a subwoofer cannot be detected. This may be caused by noise. Try performing the measurement in a quiet environment. Precautions On safety Should any solid object or liquid fall into the cabinet, unplug the receiver and have it checked by qualified personnel before operating it any further. On power sources  Before operating the receiver, check that the operating voltage is identical with your local power supply. The operating voltage is indicated on the nameplate on the back of the receiver.  If you are not going to use the receiver for a long time, be sure to disconnect the receiver from the wall outlet. To disconnect the AC power cord (mains lead), grasp the plug itself; never pull the cord.  The AC power cord (mains lead) must be changed only at a qualified service shop. On heat buildup Although the receiver heats up during operation, this is not a malfunction. If you continuously use this receiver at a large volume, the cabinet temperature of the top, side and bottom rises considerably. To avoid burning yourself, do not touch the cabinet. 37GB Additional Information