User manual TECHNICS SU-A700 mk3 service manual

[. . . ] To enjoy multi channel surround sound when connecting HDMI, be sure to connect the digital audio jack as shown and turn off or mute the TV's volume. [. . . ] About the SPEAKERS (OFF/A/B) button You can select the speaker system. This is an example of how to connect this receiver and your components. Refer to step 3 of "Getting started" of the operating instructions supplied with this receiver for details on other connections and other components. Refer to "Connecting the AC power cord (mains lead)" in the operating instructions supplied with the receiver. You can set up the speakers to obtain the sound you want from all connected speakers automatically by using the Auto Calibration function. You can also use a stool or tripod so that the optimizer microphone remains at the same height as your ears. For details on the Auto Calibration function, refer to step 7 of "Getting started" of the operating instructions supplied with this receiver. If there are any obstacles in the path between the optimizer microphone and the speakers, the calibration cannot be performed correctly. [. . . ] Remove any obstacles from the measurement area to avoid measurement error. [. . . ]