Where RVR or RVV equipment is operational, irrespective of subsequent operation or non-operation of navigational or visual aids for the application of RVR/RVV as a takeoff or landing minima, furnish the values for the runway in use in accordance with para 2-8-3, Terminology.
NOTE: Readout capability of different type/model RVR equipment varies. For example, older equipment minimum readout value is 600 feet. Newer equipment may have minimum readout capability as low as 100 feet. Readout value increments also may differ. Older equipment have minimum readout increments of 200 feet. New equipment increments below 800 feet are 100 feet.
NOTE: Reportable values are: RVR 6,000 feet or less; RVV 1 1/2 miles or less.
NOTE: A reliable source is considered to be a certified weather observer, automated weather observing system, air traffic controller, flight service specialist, or pilot.