Nikon SB-900 - Manual (Page 22)

B–6
B
About the SB-900
Main functions
Test firing (kD-60)
You can verify whether the subject will receive the correct exposure by test firing
the SB-900.
Modeling illuminator (kD-61)
Before actually shooting you can check the illumination and the shadows cast on
the subject.
FX/DX selection (kD-62)
The SB-900 automatically selects the suitable light distribution angle, in accordance
with the camera’s image area (between FX-format (36 x 24) and DX-format (24 x 16)).
SB-900 status and settings functions
Custom setting (kC-20)
Various settings can be made while checking the status on the LCD panel.
Two-button reset (kC-9)
This function resets various settings to their default values.
Key lock (kC-9)
The control buttons can be locked to prevent them from being pressed accidentally.
LCD panel illumination setting (kC-24)
This function sets the LCD panel illumination to on or off.
LCD panel contrast setting (kC-25)
This function adjusts the contrast of the LCD panel.
Standby function (kC-28)
This function automatically puts the SB-900 in standby mode to conserve battery
power.
Continuous flash (kF-5)
The SB-900 fires continuously in sync with continuous shooting.
Thermal Cut-out (kF-6)
This function protects the SB-900 from high operating temperatures. If the
temperature of the unit rises to a certain level, the SB-900 will switch to protective
shutdown mode.
Self firmware update (kF-10)
Speedlight firmware can be updated through the camera.