Section 28.9 - CAR POSITION INDICATORSIn elevator cars, a visual car position indicator shall be provided in compliance with the following:
28.9.1 Location: The car position indicator shall be located above the car control panel or over the door to show the position of the elevator in the hoistway.28.9.2 Visual and Audible: As the car passes or stops at a floor served by the elevators, the corresponding numerals shall illuminate and an audible signal shall sound. a. Numerals shall be a minimum of 1/2 inch (1/2" = 13mm) high and shall be illuminated on a contrasting background.b. The audible signal shall be no less than 20 decibels with a frequency no higher than 1500 Hz.c. An automatic verbal announcement of the floor number at which a car stops or which a car passes may be substituted for the audible signal.