Marantz SR6005/K1B, Service Manual

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4. Run the DFW
Run the "DFW_0004_SR6005_(Rev.1.0.6)" 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 con fi rm the following
(a) Check the connection of the AV receiver and PC. (refer to “2.Connection of the AV receiver”)
(b) Check the operation mode of the AV receiver. (refer to “3.Turn on the AV receiver”)
(c) Check the selection of the RS-232C port number of PC.