Nikon SB-500 AF Speedlight User Manual
Page 27
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Operation
Notes on LED light operation duration
• The internal safety function automatically lowers the LED light
output level by 1 level when the LED light is used for an extended
period of time. (
0
F-11)
• If the LED light is used for a longer period, the internal safety
function turns the LED light off. The internal safety function is
deactivated and the LED light becomes available after cooling down
for several minutes. (
0
F-9)
• The condition in which the internal safety function is activated
differs depending on the LED light output level and the ambient
temperature.
• The condition in which the internal safety function is deactivated
differs depending on the ambient temperature.