Reset the Harman Kardon AVR 7300

  1. To clear the AVR 7300’s entire system memory including tuner presets, output level settings, delay times and speaker configuration data, first put the unit in Standby by pressing the Standby/On Button .
  2. Next, press and hold the Surround Mode Group Selector 2 and the Tuner Mode Selector 8 buttons for three seconds.
  3. The unit will turn on automatically and display the RESET message