Nikon D300S User Manual page 311

Commander Mode
Use the built-in flash as a master flash controlling one or more
remote optional SB-900, SB-800, SB-600, or SB-R200 flash units in
up to two groups (A and B) using advanced wireless lighting.
Selecting this option displays the menu
shown at right. Press 4 or 2 to highlight the
following options, 1 or 3 to change.
Option
Built-in
Choose a flash mode for the built-in flash (commander flash).
flash
i-TTL mode. Choose flash compensation from values between
TTL
+3.0 and –3.0 EV in increments of
Choose the flash level from values between 1/1 and 1/128
M
1
( / of full power).
128
The built-in flash does not fire, but the AF-assist illuminator
– – lights. 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.
i-TTL mode. Choose flash compensation from values between
TTL
+3.0 and –3.0 EV in increments of
Auto aperture (available only with SB-900 and SB-800 flash
units). Choose flash compensation from values between +3.0
AA
and –3.0 EV in increments of
Choose the flash level from values between 1/1 and 1/128
M
1
( / of full power).
128
– – The flash units in this group do not fire.
Choose a flash mode for all flash units in group B. The options
Group B
available are the same as those listed for Group A, above.
Choose from channels 1–4. All flash units in both groups must
Channel
be set to the same channel.
Description
1
/ EV.
3
1
/ EV.
3
1
/ EV.
3
U
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