Nikon D750 User Manual page 376

A
Flash Control Mode
The flash control mode for the built-in flash
is shown in the information display (0 185).
A
"Manual" and "Repeating Flash"
Y icons flash in the control panel and viewfinder when these options
are selected.
A
The SB-500, SB-400, and SB-300
When an optional SB-500, SB-400, or SB-300 flash unit is attached and
turned on, Custom Setting e3 changes to Optional flash, allowing the
flash control mode for the optional flash unit to be selected from TTL
and Manual (the SB-500 also offers a Commander mode option).
A
"Times"
The options available for Repeating Flash > Times are determined by
flash output.
Output Options available for "Times"
1/4
1/8
1/16
❚❚ Commander Mode
Use the built-in flash as a master flash controlling one or more
remote optional flash units in up to two groups (A and B) using
advanced wireless lighting (0 435).
Selecting this option displays the menu
shown at right. Press 4 or 2 to highlight
the following options, 1 or 3 to change.
348
2
2–5
2–10
Output Options available for "Times"
1/32 2–10, 15
2–10, 15, 20, 25
1/64
2–10, 15, 20, 25, 30, 35
1/128