Communication Check - Denon AVR-1611 Service Manual

4. Run the DFW
Run the "DFW_0040_AVR1611_AVR591_(Rev.1.0.6).exe")" on desktop of PC.

5. Communication check

(1) Click the "Check Comm." button.
(2) When connection is good, then you can see the "Communication check OK." message.
(3) If connection is not good, then you can see the "Communication check NG" message.
Please confi rm the following
(a) Check the connection of the AV receiver/amplifi er and PC. (refer to "2.Connection to AV ..." )
(b) Check the operation mode of the AV receiver/amplifi er. (refer to "3.Turn on the AV ...")
(c) Check the selection of the RS-232C port number of PC.
23