STR-DA6400ES Firmware Version 1.071

1. On the remote commander, press the "GUI MODE" button to display "GUI MODE OFF" in the display window of the receiver.
2. On the remote commander, press the "MENU" button, then press the up/down arrow () buttons to select "System Settings", and then press the enter () button.
3. Use the up/down arrow () buttons to select "VERSION x.xxx".

• IMPORTANT: Firmware version 1.062 is required to install this update.
• If your firmware version is 1.061 or lower, please use the link in the "Required Files" section on the right to download and install the STR-DA6400ES Firmware Update version 1.062.
• If your firmware version is 1.062, please continue with the installation.
• If your firware version is 1.071 or higher, your receiver does not need this update.

• A compatible computer with an active Internet connection.
• Network LAN cable to connect the receiver to the network.
• Supplied CD with ES Utility software.
  Note: If you do not have the ES Utility CD, please use the link in the "Required Files" section on the right to download and install the software. to your computer. Please refer to the ES Utility installation procedures below for additional details.
• Supplied remote commander.
• TV connected to the receiver.

1. WARNING!! Do not power off the receiver or disconnect the network cable during the firmware update process. Doing so may cause may cause a malfunction.
2. To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.
3. Download the A64U_1071.zip file to a temporary or download directory (please note this directory for reference).
4. Connect the receiver to your network using a network LAN cable.
5. Ensure the receiver is connected to the TV.
6. Power on the receiver and wait 30-50 seconds for the U-com communication.
7. On the remote commander, press the "GUI MODE" button to show "GUI MODE ON" in the display window.
8. Ensure the TV is powered on. The menu is displayed on the TV screen.
   
   Note: If your receiver has already been configured to connect with your home network, please skip to step 13.
9. On the remote commander, use the up/down arrow () buttons to select Settings, Network, Network Setup.
   
   
10. At the "Network Setup" menu, select Internet Setup.
    
    
11. At the "Internet Setup" screen, select Connect Automatically(DHCP).
    
    
    The message "Connecting... Please wait." may appear.
12. When the receiver has successfully connected to the network, select "Finish" and press the enter () button.
13. On the remote commander, use the up/down arrow () buttons to select Settings, System, System Update.
    
    
14. At the "Select the update service" menu, select "PC update" and press the enter () button.
15. At the "Are you sure you want to update the firmware?" message, select "Start".
16. After 15 seconds, the "PC update" window will appear.
17. • IMPORTANT: Do not power off the receiver or disconnect the network cable during the firmware update process. Doing so may cause may cause a malfunction.
    • It may take 30 minutes to complete the update.
18. On the computer, double-click the ES Utility icon.
19. At the "ES Utility - Select AV Receiver" screen, double-click the icon for your receiver.
20. At the "ES Utility" screen, move the scroll bar on the left to select System.
    
    
21. At the "System Settings" screen, click the Browse button to locate and select the A64U_1071.zip file previously downloaded.
    Note: If the "Browse" button does not appear, please ensure that the previous steps using the TV menu to configure the System setup and selecting System Update on the TV has been properly completed.
    
    
22. With the A64U_1071.zip file selected, click the Start Update button.
    
    
23. At the "Start Update" screen, click "Yes" to start the update process. This update takes 15-30 minutes to complete.
    Note: The MULTI CHANNEL DECODING lamp on the front panel of the receiver flashes while the update is in progress. The flashing will disappear after the update is complete.
24. After the update completes, click the Exit button.
    
    
25. Power off the receiver and disconnect from the computer.

The firmware software update is complete.

Note: If the update has not been completed successfully, please check the following for a possible solution:

1. Please confirm that the correct model (STR-DA6400ES)) and update file (A64U_1071.zip) were selected and used.
2. Please ensure that the ES Utility was not blocked by the Windows® firewall. Use the firewall settings to add the ES Utility as an exception. (Refer to the operation instructions, Windows Help, or the Microsoft® web site for details).
3. Please ensure that the ES Utility was not blocked by a third-party firewall. Use the firewall settings to add the ES Utility as an exception or temporarily disable the firewall from blocking the ES Utility. (Refer to the third-party firewall instructions or web site for details).

1. On the remote commander, press the "GUI MODE" button to display "GUI MODE OFF" in the display window of the receiver.
2. On the remote commander, press the "MENU" button, then press the up/down arrow () buttons to select "System Settings", and then press the enter () button.
3. Use the up/down arrow () buttons to select "VERSION x.xxx". This will display the current version information for the receiver.