Nikon R1 Instruction Manual page 34

Procedures for close-up flash operation
Setting the flash mode on the SU-800.
6
MODE
NO AF-ILL
READY
34
A
SE
A B ON/OFF
1
Press the [MODE] button on the
SU-800 to set the flash mode to
TTL.
Use of TTL mode is recommended for
normal flash shooting.
2
Confirm the flash settings of the
SB-R200.
Ensure that both Groups A and B are
displayed.
• If a Group A or B indicator does not appear,
the remote flash unit(s) of this Group will not
fire. Press the [A
both Group A and B indicators.
B] select button to display