Denon fwcv 0011 manual avr-3806 Instruction De Maintenance

The Operating Manual for DENON AV Receiver/Amplifier firmware update.          Page 7 / 7 

 

3.

If you failed update during Main CPU update, then you need to use this specific update procedure. 

1) The AV Receiver/Amplifier is connected with PC with the RS-232C cable. Refer to 1.3.  

2) Push the ‘SURROUND PARAMETER’+‘SURROUND BACK’button simultaneously. 

And turn on the power switch of the AV Receiver/Amplifier. 

3) Power indicator indicates red color. This is specific update mode. 

4) Please execute the firmware update. Refer to 2.3.