Panasonic DMC-GH4KBODY - Manual (Page 190)

7. Flash
190
During wireless recording, an external flash fires an FP flash (high speed repetition of flash
firing). This firing allows recording with the flash at a fast shutter speed.
Select the menu.
(P54)
Settings: [ON]/[OFF]
Set the communication light level for wireless recording.
Select the menu.
(P54)
Settings: [HIGH]/[STANDARD]/[LOW]
Using other settings for wireless flash recording
Enabling FP firing for the wireless flashes
> [Rec] > [Flash] > [Wireless FP]
Setting the output of communication light
> [Rec] > [Flash] > [Communication Light]
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