1. Open the model in magos
2. Find the geoset animations
3. In the geoset animations you will find the alpha open that up.
4. In there you will find a group of numbers, the number after the semi colon determines the visibility. The number before the semi colon is the frame number where the model will be visible or not
5. Note if you want it to be visible during an animation, you need to only specific the starting frame of the animation