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Off-camera high speed synchronisation
In wireless SLAVE mode, the speedash can receive high speed
synchronous signal from the MASTER ash.
Note: For correct use of high speed / rear curtain sync, please
properly set camera ash mode and shutter speed.
High speed synchronisation off the camera can be achieved in two
ways:
1. Wireless TTL trigger (the trigger must support high speed
synchronisation)
2. Set the speedash to SLAVE mode
Canon: To use high speed sync in SLAVE c mode, with the
speedash receiving Canon wireless instructions, rst set the camera
in manual mode, using the built-in ash as the MASTER ash, and
the maximum sync speed set to no more than 1/200 or 1/250.
Nikon: To use high speed sync in SLAVE n mode, with the
speedash receiving instructions from the Nikon’s built-in ash (an
external ash with MASTER control function can also be used), select
the Auto FP function from the camera menu.
Camera menu access (newest Canon cameras only)
A relatively new feature of Canon cameras is that external ashguns
can now be accessed and controlled from the camera menu. In
the ash control menu of the camera, go to ‘External ash function
settings’ and then ‘External ash custom function settings’ to set the
ash-related parameters, such as switching between E-TTL mode,
manual ash mode and multi ash mode; you can also access the
wireless ash settings, adjust the exposure, exposure compensation,
focal length, and other advanced options.
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