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Tips on Speedlight care and reference information
Thermal Cut-out
Low
The SB-900 features thermal cut-out, which offers protection against raised operating temperature.
This feature is controlled from the Custom Settings menu. (kC-24)
The selected setting is shown by an icon.
Thermal Cut-out: On
The temperature of the SB-900 is shown in three stages.
If the temperature of the unit rises as a result of the flash being fired multiple
times in quick succession, a warning will be displayed and the SB-900 will
enter protective shutdown mode.
Temperature warning indicators
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High
Thermal Cut-out: Off
The temperature of the SB-900 is shown in three stages.
If the temperature of the unit rises as a result of the flash being fired
multiple times in quick succession, a warning icon will be displayed. If sound
is turned on, a warning beep will sound each time the camera shutter-
release button is pressed.
Temperature warning indicators
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■
Wait until the SB-900 cools down.
Operation can be resumed once the warning is no longer displayed.
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Low High
Stop firing and wait until the SB-900 cools down.
Operation can be resumed once the warning is no longer displayed.
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