Download the updated software (zip-file) to ensure the best performance and function for your TDAI-2170. Unzip and Save the UPDate file (.upd) on a USB stick. (Make sure you EJECT / Safely remove the USB from your MAC/PC, as unsafe removal of the USB stick will block the update procedure) - connect the USB stick to the TDAI-2170 SW input on the rear panel - shut-off mains power (switch next to power cord) - press and hold stand-by switch on front while switching on mains power - when display shows 'Updating....' you can release the stand-by switch Note: if the updating takes more than 10 minutes, your USB stick is not compatible with the TDAI-2170 - Aborting the updating is not causing problems. - Try Using other USB sticks Update release history: SW1.41a. Added speaker setup for CS-1 SW1.40A. Added speaker setups for MH-3 and BW-3 Added menu to disable 18Hz subsonic filter SW1.39A Fixed bug in routing when FR-1 was used with only 1 sub SW1.38A Fixed bug in serial control commands SW1.36A Holds speaker setups for FR-1 SW1.35A - Updated HDMI software - Various bug fixes SW1.33A - Fixed problem with display timeout when using remote. - EDID updates to handle AppleTV 4k dolby vision SW1.32A - Adds speaker setup files for speakers with BW-2 - Various bug fixes SW1.31A - Enables new HDMI 2.0A module (note: upgrading of HDMI module to new 2.0A version also requires a firmware update at the factory) - Holds speaker setups for MH-2 - Various bug fixes SW1.26A - Enables Roomperfect Bypass from Lyngdorf Remote Application - Enabling HDMI/CEC enables all CEC functions as default - Various bug fixes SW1.23A - New DSP software fixes noise problem with DSD-playback. - Larger font for INFO, which now has 3 steps. - When entering distances the first time, the right speaker will start at the same distance as has been entered for left. - Default amp level for digital out changed from 2.8ms to 0.6ms, equivalent to the delay in an SDA2400 - Control system control now allow Direct source select commands for powering on the amplifier. - Various bug fixes SW1.19A - The home theater bypass function has been optimized for low input signal level - A new RoomPerfect™ default that recommends taking measurements until reaching 98% RoomKnowledge. - Various bug fixes SW1.15A - Bug fixes - RoomPerfect optimizations. Data collection is faster and more accurate under difficult circumstances - On the VFD display the Fonts have been enlarged on the startup screen, when toggling the input, voicing and RoomPerfect selections. - HDMI ByPass: Video will still be on when coming from an active HDMI input to another audio only input. - The Trigger input can now be associated with an Input. o When triggered on, the TDAI2170 will turn on and jump to the defined input. o When triggered off, the TDAI2170 will shut down only if defined input is active - New Menu item to turn the OSD on/off. - New IR command to toggle between speaker setups. (Commando B0). - On the serial interface is added following commands: o a command to request which speaker setup is selected o a command to either toggle between speaker setups or select them directly. o Audio-status is added to the subscription mode.