Godox V1ProC - Flash Mode - Multi: Stroboscopic Flash

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S1 Optic Control Unit Setting
In M manual flash mode, press <S1/S2> button so that this flash can function
as an optic S1 secondary flash with optic sensor. With this function, the flash
will re synchronously when the main flash res, the same effect as that by
the use of wireless triggers. This helps create multiple lighting effects.
S2 Optic Control Unit Setting
In M manual flash mode, press <S1/S2> button so that this flash can also
function as an optic S2 secondary flash with optic sensor. This is useful when
cameras have pre-flash function. With this function, the flash will ignore a
single “pre-flash” from the main flash and will only re in response to the
second, actual flash from the main flash.
1. S1 and S2 optic control triggering is only available in M manual flash mode.
2. Press function 3 button <S1/S2> to switch between S1/S2 optic control or turn off
this function.
Note：
Flash Mode — Multi: Stroboscopic Flash
With slow shutter speed in multi flash mode, a rapid series of flashes is red.
It can be used to capture multiple images of a moving subject in a single
photograph.
You can set the flash frequency (number of flashes per sec. expressed as
Hz), the number of flashes, and the flash output.
1. Press <MODE> mode button so that
<Multi> is displayed on the LCD panel.
。
2. Press the function button 2
<Times> to select the number of
flashes. Turn the select dial to set the
number, then press it to conrm the
settings. Press the function button
3 <Hz> to select the flash frequency.
Turn the select dial to set the
frequency, then press it to conrm
the settings.
3. Press <+/-> button to select flash
output amount. Turn the select dial
to set the amount, then press it to
conrm the settings.
Flash output range: 1/256-1/4.
Calculating the Shutter Speed
During multi ash, the shutter remains open until the ring stops. Use the
formula below to calculate the shutter speed and set it with the camera.
Number of Flashes / Flash Frequency = Shutter Speed
For example, if the number of ashes is 10 and the ash frequency is 5Hz,
the shutter speed should be at least 2 seconds.