Upload the updated software to ensure the best performance and function for your TDAI-3400. The software can be uploaded on the TDAI-3400 through the web interface, if the amplifier is connected to the internet - or via USB. Remote server: find the IP address by pressing the INFO button on the remote twice. Enter the IP address in the browser of a PC or handheld device on the same network USB: Download the new software from www.lyngdorf.com Save the .gpg file on a USB stick. - connect the USB stick to the TDAI-3400 input on the front panel For both: Go into Manage Software and select Update Software - select the software either from the remote server or from USB and Start Update Update release history: SW1.0.2 / January 2019 - Bug fixes SW1.0 / November 2018 - Roon Ready certification fix - RoomPerfect bass cutoff fix (no need for new calibration) - Subsonic filter function added - CEC power on now changes input to HDMI ARC - Web site - streaming name is added to title and model name - Digital out changed from 48kHz to 96kHz - Bug fixes SW0.96 / May 2018 - WiFi security updates - Apple WiFi accessory configuration (WAC) added - Added individual inputs for streaming services - FR-1 speakers added to Main output / speaker setup - Bugfixes