Holds your ship's invincibility value at 50, as the table says, so enemies and bullets can't hurt you. Works during a stage.

Holds your shield at 16. Works during a stage.

Keeps your lives at the number you had when you turned this on. Works during a stage.

Your lives. Shows the game's value during a stage.

Holds your main shot's level at 30, its maximum as the table gives it. Works during a stage.

The levels of the special weapons in your two slots. Pick up a weapon before changing its level; the table recommends at most 2, though levels go up to 8.