The Operating Manual for DENON AV Receiver/Amplifier firmware upgrade Page 8 / 18
controller. Confirm that “Subnet Mask” is highlighted.
Push the [CH SELECT ENTER] button of the AV Receiver / Amplifier or the remote controller 3
times slowly. You can exit from the System Setup menu.
3.7
Communication check
1) Push the [Check communication] button.
2) If connection is good, then you can see the
“Communication check OK.” message, and push the
[OK] button.
3) If connection is not good, then you can see the “Communication check NG!” message.
Please confirm the following.
a) Check the connection (refer to 2.1.a).
b) Check the IP address (refer to 3.6).
Push the [OK] button when connected confirmation
ends.
Again, the communications check begins, and work
according to the display.
Push the [CANCEL] button when you end work.
4) If the connection is good, then you can select the [Update] button.
(2)
(1
）
(4)
