Denon dfw v0041 avr-1911 791 rev.1.0.6 manual en Service Manual

 

The Operating Manual for updating of DENON A/V receiver/amplifier firmware               Page 5 / 5 

 

 

1.4 Install the D&M Firmware Writer. 

1) Please 

install 

“DFW_0041_AVR1911_AVR791_(Rev.1.0.6).exe”

 to any folder of your PC.   

2)  Please make shortcut icon on your PC. 

 

 

 

 

 

2.1 Notice 

Please keep the following notice for firmware update. 

a) Keep the PC environment refer to 1.1. 

b) Avoid the communication cable from the electrical noise source. 

(E.g. telephone cable, AC line, a fluorescent light)  

c) Don’t remove cable during update.  

d) Don’t turn off the power during update.  

e) Don’t run other PC application during update.  

f)  Stop the resident program on PC.  

g) Stop the screen saver ability on PC. 

h) Stop the power save ability on PC. 

i)  In case of laptop PC, Use the AC adaptor. 

 

2.2  Procedure of updating for firmware 

2.2.1 

Please initialize the unit. 

1) Turn on the power of unit while pressing the 

SURROUND MODE [<]

 button and 

    

SURROUND MODE [>] 

 button simultaneously. 

            2) When FL Display will be indicated perfectly, please remove the 

SURROUND MODE [<] 

    button and 

SURROUND MODE [>]

 button. 

 

2.2.2 

Turn on the AV receiver/amplifier. 

Operate the following. Turn on the AV receiver. 

1) Turn on the power switch while simultaneously pushing the 

SURROUND MODE [<]

 button 

 and the 

[RETURN]

 button of the front panel.  

2) Confirm the power indicator is red in the front panel. 

DFW_0041_AV

R1911_AVR791

_(Rev.1.0.6).exe