Nikon D800 - Manual (Page 327)

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❚❚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 (
0 382).
Selecting this option displays the menu
shown at right. Press
4 or 2 to highlight the
following options, 1 or 3 to change.
Option Description
Built-in
flash
Choose a flash mode for the built-in flash (commander flash).
TTL
i-TTL mode. Choose flash compensation from values between
+3.0 and –3.0 EV in increments of
1 /
3
EV.
M
Choose the flash level from values between 1/1 and 1/128
(
1 /
128
of full power).
– –
The built-in flash does not fire, although remote flash units do.
The built-in flash must be raised so that it can emit monitor
pre-flashes.
Group A Choose a flash mode for all flash units in group A.
TTL
i-TTL mode. Choose flash compensation from values between
+3.0 and –3.0 EV in increments of
1 /
3
EV.
AA
Auto aperture (available only with compatible flash units;
0 382). Choose flash compensation from values between +3.0
and –3.0 EV in increments of
1 /
3
EV.
M
Choose the flash level from values between 1/1 and 1/128
(
1 /
128
of full power).
– – The flash units in this group do not fire.
Group B
Choose a flash mode for all flash units in group B. The options
available are the same as those listed for Group A, above.
Channel
Choose from channels 1–4. All flash units in both groups must
be set to the same channel.