You'll have to experiment, or contact ZWO for their ASIAir instructions.
The Gemini-1 uses only a standard serial port at 9600 baud to pass instructions back and forth.? ?The Gemini sysrem takes its own instruction set.? That instruction set was based on the earlier Meade instruction set.? Paul K is the real expert in this area.
ASCOM has these instructions in it's Gemini.net driver interface.?
If some other group member knows how these parts (ASI air and Gemini-1) all fit together, please let us know the right way for Nick to proceed.