These notes are aimed at helping the service engineers at CT and not necessarily usable on site.
To Image a DisplayCore
Connect an imaging USB stick to the USB2.0 (black) port and a keyboard to the USB3.0 (blue) port. It is important to get these the correct way round otherwise security settings on the board will prevent the process working.
Power up the DisplayCore and press F2 when prompted to interrupt the boot.
Select to boot from USB. The process from this point is automatic and takes a couple of minutes. You will be prompted to press Enter to reboot the device once the process is complete.
Update/Install Apps
The DisplayCores work by running apps on top of the main operating system. The IPTV player and Web Renderer are examples of these apps and may be updated more frequently than the underlying OS.
To update or install an app, run a Discovery scan in the Iris Manager software to find the DisplayCore you are working with. Once discovered, add the unit to a group.
Once in a group you will be able to select the settings icon for the unit. Scroll across to Installed Applications. Once there, drag the new .appxarchive file into the window to install.
Hardware Versions
The DisplayCore hardware has been updated since its first release to improve reliability and fix bugs.
IR Receiver Boards
Version 1.1 of the boards should be used. They are identifiable by the differences highlighted below. The version 1.1 boards have a larger reset button to make them more usable than the surface mount one used in the V1.0 boards. The 3.5mm jack has corrected pinots to allow the IR eyes and wired remotes to work.
PoE Splitters
The second generation of PoE splitters are smaller and have an additional isolation transformer which solves an earth loop issue which prevents the DisplayCore from booting when an HDMI cable is plugged in. This newer version is mounted using a 3D printed adaptor to align with the screw holes of the original splitters.
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