Release notes
MT556 1.5.0
New Features and Improvements
- Improved DisplayPort compatibility
- Show ethernet MAC address in OSD
MT556 1.4.2
New Features and Improvements
- Improved recovery time of external DisplayPort input
- Improved camera serial link monitoring in QCM
Bug Fixes
- Fixed external DisplayPort input not being detected if the OSD was visible when the external input became active
- Fixed color correction not being disabled during geometry calibration. Previously if color correction was enabled on a display, it could degrade the calibration results
Known Issues
- When there is no external DisplayPort video input, display will sometimes become blank for a few seconds
MT556 1.4.1
New Features and Improvements
- Add support for display identification in SiteManager
- Use improved algorithm for marker code detection
- Computer vision performance improvements
MT556 1.4.0
New Features and Improvements
- Support for SiteManager 2.0
- Slightly decrease touch latency jitter
Bug Fixes
- Fix enabling color correction sometimes causing image to be blank
MT556 1.3.7
New Features and Improvements
- Use VMTegra firmware version 12
- Added brightness setting to remote control
Bug Fixes
- Fixed geometry calibration changing the external synchronization state
MT556 1.3.6
New Features and Improvements
- Improve finger tracking sensitivity on MT556XNB
- Make minimum finger blob brightness parameter configurable in OSD
- Force CCU to use internal trigger source
- Minor performance improvements to computer vision
MT556 1.3.5
New Features and Improvements
- Improved lens brightness compensation to enhance image uniformity
- Improved calibration model to take into account camera binning effects
- Marker tracking and pen/touch accuracy is now improved without need for recalibration
- Minor improvements to geometry calibration process
- Reduce broken images during startup by enabling image transmission after CCU/QCM serial link data is stable
- Decreased firmware image file due to better system image file compression
MT556 1.3.4
New Features and Improvements
- Make VM Tegra EDID updater more robust
- Reconfigure VM periodically when screen is blank
- Fixes display not showing external video signal under certain conditions
- Make QCM update more robust
- Do not update QCM if version could not be read
- OSD UI improvement for table mode selection (check button)
- Use HWM version 14
- LED brightness control is now linear over the full brightness range
- Disable temperature based fan control to reduce fan noise level
Bug Fixes
- Fixed crash in startup if finger tracking is disabled in configuration
- Fixed color correction not persisting when using standby mode
MT556 1.3.3
New Features and Improvements
- Marker tracking improvements
- Fixed possible identity mismatch for multiple markers when entering/leaving the screen
- Fix markers being reported when code is not sufficiently well detected
- Fix marker corners disappearing in OSD when known marker code cannot be read again
- Improved camera image merging
- Remove excessive brightness in OSD camera image visualization
- Added table mode option to OSD for compensation of MT556UNB optics in horizontal setup
MT556 1.3.2
New Features and Improvements
- Improved marker tracking performance when markers are seen poorly
- Use CCU/QCM version 5
- Improves the robustness of CCU/QCM serial links
- Use HWM version 13
- Adds temperature based automatic fan control
Bug Fixes
- Fix geometry calibration sometimes failing due to false camera timeouts
MT556 1.3.1
New Features and Improvements
- Improve QCM/CCU serial link autodetection
- Improve robustness of CCU register access
MT556 1.3.0
New Features and Improvements
- Support MT556UNB
- Add "Run diagnostics" button to OSD error popup
- Remove cancel/close buttons from firmware update progress dialog
- Use QCM/CCU version 4 with more resilient camera data on link errors
Bug Fixes
- Fix marker rotation sometimes being initially zero
MT556 1.2.2
New Features and Improvements
- Use VMTegra version 11 that doesn't advertise DP SSC to improve DisplayPort compatibility
MT556 1.2.1
New Features and Improvements
- Use VMTegra version 10 with green tint in logo removed
- Display is no longer blank during VMTegra update
Bug Fixes
- Fixed remote control to be more responsive when long running commands/multiple commands are used
MT556 1.2.0
New Features and Improvements
- Use CCU and QCM version 3
- More robust and faster QCM/CCU serial link
- Experimental support for cell synchronization over 3.5mm stereo jack
- Use HWM version 12
- HWM reset is more gentle instead of doing full system reset immediately
- Replicate stereo jack standby pin state to Tegra
- Remove misleading good/fair quality indicator shown after geometry calibration
- Update camera screen areas also when doing ROI optimization
- Improved geometry calibration log, which can be used to replay the calibration process
- Improve error reporting in OSD if camera initialization fails
- Added experimental support for standby button (disabled by default)
- Added experimental support for LED calibration (disabled by default)
- Minor UI improvements in OSD
- Disable color correction UI in OSD when color correction is inactive
- PCI express image transfer support
Bug Fixes
- Fix flashing image border in OSD camera view
- Fix some firmware update logs being lost if HWM is updated
- Fix possible deadlock if network cable is unplugged while sending touch data
- Fix hostname not being always set before sending it to DHCP server
- Fix OSD sometimes handling touch input when external video source is active
- Fix background light sometimes not being turned off when screen is blank
MT556 1.1.2
New Features and Improvements
- Use HWM version 11 also containing PSU address fix
- Minor fixes to crash dump handling
- Make update from OSD possible if computer vision is not functional
Bug Fixes
- Fix I2C address for PSU so it works with all revisions
- Fix crashes related to remote connection handling
- Fix the problem that sometimes the device boot sequence takes a long time
MT556 1.1.1
Bug Fixes
- Fixes to boot sequence dependencies
MT556 1.1.0
New Features and Improvements
- Add standby mode
- Use HWM version 10 with standby support
- AMX remote control support
- Diagnostics can be saved to USB disk
- Disabling finger tracking does not disable pen tracking
- Pressing secondary mouse button in OSD no longer changes virtual input type
- Graphical OSD fixes
Bug Fixes
- Fix some Tracker and Supervisor settings incorrectly reported as changed
- Fix Tracker crash at exit
MT556 1.0.2
New Features and Improvements
- Use HWM version 9 for reset status and health check improvements
Bug Fixes
- Fixes to ethernet communication related to camera image transfer
- Fix "discard changes" in OSD crashing after calibration
- Fix network setting inconsistency when they are applied but not saved
MT556 1.0.1
New Features and Improvements
- Set device hostname automatically to mt-{device serial number}
- Use HWM version 7 with more robust API
- Use QCM firmware version 2 to fix problems on some devices when they heat up
- Retry 1-wire EEPROM info block read on failure
- Production related fixes to image statistics
Bug Fixes
- Fixed inconsistent behavior on enabling/disabling SSH server
MT556 1.0.0
New Features and Improvements
- First release