On Tuesday, September 22, 2015 at 2:57:14 PM UTC-4, Jonathan St. Cloud wrote:
I did have the little symbol of glider with wheel down and up, while I have perfect distance vision and did not need reading glasses at that time, I could not quite make out which symbol was which.

I have the official symbols as well. But it's not immediately obvious without a pretty careful look which picture shows the wheel down. I really like the idea of supplemental Green/Red arrows.