Squawk Codes 7500, 7600, 7700

[N316TS]

Hi there,
There’s a Wishlist topic for 7700, if interested:

Declare Emergency

The ability to declare an emergency due to a failure and request a return to the field, emergency decent, or vectors to the nearest field.

I think it would be cool to squawk 7600 and get light gun signals from the tower.