Owners Manual
Page 28
...the output of the AVR 520 so that the output is "flat," with the tone controls deactivated, press the Tone Mode Button 8 once or twice so that the front panel display will dim to one of the major surround-encoding processes, such 28 OPERATION Power will be shut off to any recording... will decrease the time before shut-down until the information display returns to normal brightness, the Sleep indicator numbers disappear and the words SLEEP OFF appear in the lower third of the video display. When you have completed the initial setup and configuration of the AVR 520, it is simple to operate...
...the output of the AVR 520 so that the output is "flat," with the tone controls deactivated, press the Tone Mode Button 8 once or twice so that the front panel display will dim to one of the major surround-encoding processes, such 28 OPERATION Power will be shut off to any recording... will decrease the time before shut-down until the information display returns to normal brightness, the Sleep indicator numbers disappear and the words SLEEP OFF appear in the lower third of the video display. When you have completed the initial setup and configuration of the AVR 520, it is simple to operate...