Latch SR
D= Delay
S = Settting <<< D
R = Resetting <<< D not
Q = Output
Not Q = Boolean Not of output
C: Clock
Position
old SR:
S: top-Left >>> now D
R: Bottom-Left >>> now D
D: top-Left
C: Middle-Left (Automatic Over or Manual down)
Q: Bottom-Right
Not Q: Top-Right
