Question about Audio Players & Recorders
Reset/ Initialize microprocessor procedure is as follows:
Turn Off unit, that its already.
Press POWER button while simultaneously pressing Speaker-A and Speaker B buttons.
Once the display start flashing, release both buttons.
That will reset/ initialize microprocessor in your Denon AVR-688 receiver.
These info are also available on user manual page-42
Hope this info will help you.
Let me know if you have additional question.
Posted on May 09, 2010
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Posted on Jan 02, 2017
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Dec 12, 2012 | Denon AVR-1912 3D Ready A/V Receiver - 90...
Register and download the USER GUIDE (10.6MB) for free at retrevo.com
Resetting the Microprocessor
Perform this procedure if the display is abnormal or if operations cannot be performed.
When the microprocessor is reset, all the settings are reset to their default values.
1 Turn off the power using <POWER>.
2 Press <POWER> while simultaneously pressing
<STANDARD> and <DSP SIMULATION>.
3 Once the display starts flashing at intervals of about 1
second, release the two buttons.
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