Doyon PIZ3 - Manual (Page 13)

A11
FRONT CONTROL PANEL SYMBOL SIGNIFICATION
Cooking timer
On / off cooking timer switch
Breaker
Temperature control
Main power oven switch (0 = OFF, 1 = ON, bulb sign = Oven light ON only)
Overheat alarm
Burner operation indicator green light
Air proving switch indicator yellow light.
Burner fault reset red light switch.