If the Atlantis immersive glasses are not flashing, first make sure they are turned on in the software. They may default to being turned off.
Go to View or Change Settings / Data Channels / Atlantis Hardware Control
and select the "Immersive" stim option for photic.
You need to be using CG or "Common Ground" glasses, not "CP" or "Common positive"
The following glasses work as they are CG type:
Photosonix CG type for Nova Pro 100, InnerPulse, etc.
Roshi I, Roshi II, pRoshi glasses
Mind Gear - all models of Mind Gear including PR-2X, Turbosonix, etc.
Inner Quest - IQ1, etc. glasses
The following glasses do not work because they are CP type:
Photosonix (Nova Pro, Galaxy Pro)
Comptronix (all glasses)
Synetic Systems (all glasses)
To use commercial glasses with the Atlantis, you need an adapter like the Radio Shack 274-373 or equivalent