Nikon SB 900 User Manual - Page 122
Thermal Cut-out
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Thermal Cut-out 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 Low High • Wait until the SB-900 cools down. • Operation can be resumed once the warning is no longer displayed. F 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 shutterrelease button is pressed. ■ Temperature warning indicators Tips on Speedlight care and reference information Low High • Stop firing and wait until the SB-900 cools down. • Operation can be resumed once the warning is no longer displayed. F-6