Nikon D800E User Manual page 45

[] Flash Control Mode
The flash control mode for the built-in flash is
shown in the information display.
[] "Manual" and "Repeating Flash"
I_ icons blink in the control panel and viewfinder when these options
are selected.
[] The SB-400
When an optional SB-400 flash unit is attached
and turned on, Custom Setting e3 changes to
Optional flash, allowing the flash control mode
for the SB-400 to be selected from TTL and
Manual (Repeating flash and Commander
mode options are not available).
[] "Times"
The options available for Repeating Flash > Times are determined by
flash output.
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