Selecting a Comm Port
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The Setup Comm Port section
While the Sequence Editor and Show Player can use up to four different comm ports simultaneously for Light-O-Rama controllers, the Hardware Utility only uses one at a time. By default, it will be set to use the port you have configured to be your "Regular" port (if you have done so); see "Network Preferences" in the Sequence Editor for details on how to set your Light-O-Rama ports.
Only comm ports 1 through 16 are supported in the Hardware Utility.
If you know the comm port that it should be using, you can simply select it from the "Manual Select" dropdown box. If you select a port other than your "Regular" port, the Hardware Utility will offer to automatically change your "Regular" port to be the one that you selected.
If you do not know the comm port to be used, you can ask the Hardware Utility can automatically detect it:
The Hardware Utility should then automatically detect the comm port that you have hooked the controller up to. If it does not:
If all of the above fails to find the port, then watch the controller's blinking LED light while manually selecting different comm ports from the list. Once a comm port is selected, wait about five seconds. If the LED stops blinking, then that is the correct port. If it does not stop blinking, try the next comm port in the list.
If this still does not determine the correct comm port, there may be a problem with the connector or the controller.
If "Auto Configure" does not work, but you were able to determine the comm port by manual selection, there may be a problem with the connector. Or, if your computer is an older PC or laptop, there may be a compatibility issue with the computer's communications drivers.
In any case, if you can get the unit's LED to stop blinking, then that controller will most likely work on your PC.