DTM-7.4 Troubleshooting Network

• When the NET indicator is blinking, this unit is not properly connected to the home network.
• Unplug and plug the power cords of this unit and the router, or restart the router.
• If the desired router is not displayed in the access point list, it may be set to hide SSID, or the ANY connection may be off. Change the setting and try again.
Check the following if the problem persists after you have confirmed the above.
Cannot access the Internet radio
• In the case the service provider has terminated the service, the network service or contents may not be used on this unit.
• Check if your modem and router are properly connected, and they are both turned on.
• Check if the LAN side port on the router is properly connected to this unit.
• Check if connecting to Internet from other devices is possible. If it is not possible, turn off all devices connected to the network, wait for a while, and then turn on the devices again.
• Depending on ISP, setting the proxy server is required.
• Check if the router and modem you are using are supported by your ISP.
Cannot access the network server
• This unit needs to be connected to the same router as the network server.
• This unit supports the Windows Media® Player 12 network servers, or NASes that support the home network function.
• Windows Media® Player may require some settings. Refer to "Music Server".
• When using a PC, only the music files registered in the library of Windows Media® Player can be played.
( →p67)
Sound is interrupted when playing music files on the network server
• Check if the network server meets the requirements for operation.
• When the PC is serving as the network server, quit application software other than the server software (Windows Media® Player 12, etc.).
• If the PC is downloading or copying large files, the playback sound may be interrupted.

USB storage device
USB storage device is not displayed
• Check if the USB storage device or USB cable is securely inserted to the USB port of the unit.
• Disconnect the USB storage device once from the unit, and then reconnect it.
• Performance of the hard disk that receive power from the USB port of the unit is not guaranteed.
• Depending on the type of content, the playback may not be performed normally. Check the types of supported file formats.
• Operations of USB storage devices equipped with security functions are not guaranteed. ( →p65)
Wireless LAN Network
• Unplug and plug the power cords of this unit and the wireless LAN router, check the power-on status of the wireless LAN router, or restart the wireless LAN router.
Check the following if the problem persists after you have confirmed the above.
Cannot access wireless LAN network
• The wireless LAN router setting may be switched to Manual. Restore the setting to Auto.
• Try the manual set-up. The connection may succeed.
• When the wireless LAN router is in stealth mode (mode to hide SSID) or when the ANY connection is off, the SSID is not displayed. Change the setting and try again.
• Check if the SSID and encryption settings are correct. Match the network settings with the settings of this unit.
• Connection to an SSID that includes multi-byte characters is not supported. Set the SSID of the wireless LAN router using single-byte alphanumeric characters only, and try again.
Connected to an SSID different from the selected SSID
• Some wireless LAN routers allow you to set multiple SSIDs for one unit. If connecting to such a router using the automatic setting button, you may end up connecting to an SSID different from the SSID you want to connect to. If this occurs, use the connection method requiring you to enter a password.
Playback sound is interrupted, or communication is not possible
• You may not receive radio waves due to poor radio wave conditions. Shorten the distance from the wireless LAN router, or remove obstacles to improve visibility, and connect again. Install the unit away from microwave ovens or other access points. It is recommended to install the wireless LAN router and the unit in the same room.
• If there is a metallic object near the unit, wireless LAN connection may not be possible because the metal affects the radio wave.
• When other wireless LAN devices are used near the unit, other symptoms may occur, such as interrupted playback and impossible
communication. You can avoid those problems by changing the channel of your wireless LAN router. For instructions on changing channels,
refer to the instruction manual supplied with your wireless LAN router.
• There may not be enough bandwidth available in wireless LAN. Use a wired LAN for connection.