Hi,
Are you using DMX out of the ML to a USB dongle? Not sure of how you're connecting to Capture.
As you know Atlas Solo only supports 1 Universe. So if you're looking to have more than 512 channels of DMX, then the answer is no.
However, if the 2nd dmx output port of your ML is configured to 1-512, or within the confines of 1 Universe, then yes.
Note: In Atlas under the Universe tab, you can right click on your external universe and select Patch base from the sub-menu to change the starting address of one Universe.
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Like to hear your feedback, and as to how you're connecting.
Best,
Johnny