Use this Help Guide when you have issues or questions on how to use your flash unit.
HVL-F60RM2/HVL-F46RM: Regarding the compatibility with cameras equipped with global shutter image sensor
To use the global shutter sync photography, you need to update the software in the HVL-F60RM2/HVL-F46RM to version 2.00 or later. Update to the latest version to use it.
For details about the global shutter sync photography, view here.