51ADVANCED FUNCTIONSPROCESSOR RESETIf the unit behaves erratically after a power surge, first turn offthe Main Power Switch and unplug the AC power cord for at least3 minutes. Plug the cord back in and turn the receiver on. If thisdoesn’t help, reset the AVR.NOTE: A system reset erases all user configurations, includingvideo resolution, speaker and level settings, and tuner presets.After a reset, reenter all of these settings from your notes inthe appendix worksheets.To reset the AVR 7550HD, place it in Standby mode (press the front-panel Standby/On Switch so that the Power Indicator turns amber).Then press the front-panel AVR Settings and Source List Buttonssimultaneously until the RESET message appears.If the receiver does not function correctly after a processor reset,contact an authorized Harman Kardon service center for assistance.Authorized service centers may be located by visiting the Web siteat www.harmankardon.com.NOTE: After performing a system reset, wait at least 1 minutebefore pressing any Source Selectors. If The Bridge SourceSelector is pressed too soon, video playback from the iPod willnot be available.MEMORYIf the AVR 7550HD is unplugged or experiences a power outage, itwill retain user settings for up to four weeks.