Ok, this is how I see this gauge. I thought the IFLOLS would be more precise than that default carrier's FLOLS...
Lights off

Lights on (waveoff lights will flash)

The ball

Images are at full size (360x118), perhaps I'll try to reduce dimensions a bit.
Tregarth, yes this new shore based FLOLS works very well. It can be embedded into a scenery (like NOLF Choctaw) or into a mission.