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Using Your VS-570N as a Wireless Manual Flash
For even greater creative control, you can set the output levels of your remote flash units manually.
Using the optical slave feature, the VS-570N can be set to fire whenever it detects a signal from the master
flash. This works optically—when the VS-570N "sees" another flash firing, it will instantaneously fire along
with it.
Setting the remote flash units manually:
To set a VS-570N flash unit to function as a slave with the output level selected manually, follow these steps:
1.
In Manual mode, use the up and down buttons to select the power output (1 through 1/64).
2.
Press the Mode button once to enter Slave mode.
3.
Set the slave mode as desired (see below).
4.
If desired, adjust the flash coverage angle by pressing the Zoom button repeatedly.
5.
Make sure that the master flash on your camera is on and set to the appropriate mode. If you don't want
the master flash to illuminate a subject in front of the camera, tilt the head upward.
Setting the slave mode:
Depending on your camera and flash settings, the master flash may emit more than one burst of light in
quick succession (called a "pre-flash"). Pre-flash is used to help the camera meter and/or focus, and is done
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Using Your VS-570N as a Wireless Manual Flash
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