With the Serial Link device you may control most routing switchers, projectors, shutters or other device parameters that are remote controllable via the common RS 232 and 422 serial protocols. Even though, the device's name is Serial Link, you do not necessarily need the hardware device itself.
Select the device in the tree to load it's properties into the Inspector tab. Since the Serial Link device uses a direct TCP/IP communication, you will need to switch off "Use Serial Link header".
Now, type in the right IP address of the projector (or any other device) and its connection port. The Christie Mirage 3D projectors for example listen to port 3002. The IP and port can be either set on the device itself or they are predefined. Please check the device's manual.
Click the button "Apply IP and Port" and the red exclamation mark on the Serial Link device in the Device Tree disappears which means that you are connected to the projector. Some devices cannot open two connections at the same time. In that case please close any other remoting ports, this includes also interfaces for browsers.
As the connection is now established, the commands can be send. Simply add the serial command according to the device's syntax as a key to the timeline. In detail this means to open the parameter "COM" and insert a key frame by right-clicking on the according time whenever you want to send commands to the projector.
Then select the created key frame and edit it in the Inspector. Enter the command in the "Data" field. Please refer to the user manual of the projector to get the specific commands you want to send. For example, (SHU 0) or (SHU 1) are common commands to open and close the shutter. The round brackets are not requested from Pandoras Box but most devices demand that a command is enclosed with brackets. If your device demands to send a special character like a "carriage return" or "start of text" send your entire message "As Hex" and write everything including that special character using hexadecimal values. You may find a list with ASCII characters and the according hex code in the Widget Designer chapter.
As soon as the nowpointer reaches the key frame the command is send via the TCP connection to the projector. In that way any serial ASCII or hex string can be stored and copied to any point in the timeline.