Profoto B1X 500 AirTTL 1-Light To-Go Kit - Manual (Page 12)

B1X
12
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See below overview of flash duration in Normal vs. Freeze mode.
Flash duration
Normal mode
Flash duration
Freeze mode
Energy
(scale) Energy
(Ws) t0.1 (s) t0.5 (s) t0.1 (s) t0.5 (s)
10.0 500 1/400 1/1,000 1/400 1/1,000
9.0 250 1/600 1/1,500 1/1,200 1/2,000
8.0 125 1/800 1/2,000 1/2,100 1/3,000
7.0 62.5 1/1,300 1/2,500 1/3,100 1/4,500
6.0 31.8 1/1,800 1/3,000 1/4,000 1/6,000
5.0 15.9 1/2,400 1/4,000 1/5,000 1/8,000
4.0 8 1/3,300 1/6,000 1/5,900 1/12,000
3.0 4 1/4,200 1/8,500 1/6,700 1/16,000
2.0 2 1/6,000 1/11,000 1/8,000 1/19,000
Change light output (Energy)
The light output of the flash light is shown on the Display [13] in a relative
f-stop scale. The maximum energy (500Ws) is shown as 10.
Use the ENERGY/SETTINGS dial [16] to change the energy level of
the flash light:
• Turn the ENERGY/SETTINGS dial [16] to change the energy level
in 1/10 f-stop increments.
• Press and turn the ENERGY/SETTINGS dial [16] to change the
energy level in 1 f-stop increments.
The TEST button [15] is illuminated when the unit is fully charged and
ready to flash.
Press the TEST button [15] to release a test flash.