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ASEA
279/11
(
AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS )
LIGHTING & MARKING AG MACHINERY ON HIGH WAYS
TURN INDICATORS SHALL BE PROVIDED. WHEN A TURN IS
SIGNALED, THE AMBER FLASHING WARNING LAMP(S) OPPOSITE THE DIRECTION OF
TURN SHALL BECOME STEADY BURNING. THE AMBER FLASHING WARNING LAMP(S) IN
THE DIRECTION OF TURN SHALL INCREASE IN FLASHING RATE A MINIMUM OF 20
FLASHES PER MINUTE, BUT SHALL NOT EXCEED 110 FLASHES PER MINUTE. IN
ADDITION, A REAR-FACING RED OR AMBER LAMP CONFORMING TO SAE J2261
SYMMETRICALLY MOUNTED AND POSITIONED AS WIDELY SPACED LATERALLY AS
PRACTICABLE BUT NO GREATER THAN 1.5 M (5 FT) TO THE LEFT AND RIGHT OF THE
MACHINE CENTER AND BETWEEN 1 AND 3.7 M (3.3 AND 12 FT) HIGH SHALL FLASH IN
THE DIRECTION OF TURN AND IN UNISON WITH THW AMBER FLASHING WARNING LAMP(S).
THE ADDITIONAL LAMP ON THE SIDE OPPOSITE THE TURN MAY REMAIN OFF, OR ON,
OR BECOME BRIGHTER BUT SHALL NOT FLASH.
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