407.4.8+9 – Signals

407.4.8 Car Position Indicators.
407.4.8.1 Visible Indicators.
407.4.8.1.1 Size. 

Characters shall be 13 mm (12″) high minimum.
407.4.8.1.2 Location. 

Indicators shall be located above the car control panel or above the door.
407.4.8.1.3 Floor Arrival. 

As the car passes a floor and when a car stops at a floor served by the elevator, the corresponding character shall illuminate.
407.4.8.1.4 Destination Indicator. 

In destination-oriented elevators, a display shall be provided in the car with visible indicators to show car destinations.
407.4.8.2 Audible Indicators.
407.4.8.2.1 Signal Type. 

The signal shall be an automatic verbal annunciator which announces the floor at which the car is about to stop.
407.4.8.2.2 Signal Level. 

The verbal annunciator shall be 10 dB minimum above ambient, but shall not exceed 80 dB, measured at the annunciator.
407.4.8.2.3 Frequency. 

The verbal annunciator shall have a frequency of 300 Hz minimum to 3000 Hz maximum.
407.4.9 Emergency Communication. 

Emergency two-way communication systems shall comply with 308.  Tactile symbols and characters shall be provided adjacent to the device and shall comply with 703.2.