Nikon 4804 R1 Wireless Close-Up Speedlight System - Manual (Page 87)

87
Other functions
This section gives detailed information on each function of the
SU-800 and SB-R200.
Be sure to refer to your camera user’s manual for specific
information on camera settings and functions.
1
Test firing to confirm exposure
2
Checking illumination before taking pictures (Modeling Illumination)
3
Using the Target Light (Focus-Assist Illuminator)
4
Autofocus flash operation in low light
5
Flash output level compensation
6
Repeating (RPT) flash operation
7
Auto FP High-Speed Sync
8
Flash Value Lock (FV Lock)