Nikon D300s manual Commander Mode, 285, Group B

❚❚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	Description
Built-in	Choose a flash mode for the built-in flash (commander flash).
flash
TTL	i-TTL mode. Choose flash compensation from values between
	+3.0 and –3.0 EV in increments of 1/3 EV.
	Choose the flash level from values between 1/1 and 1/128

M(1/128 of full power).

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.
TTL	i-TTL mode. Choose flash compensation from values between
	+3.0 and –3.0 EV in increments of 1/3 EV.
	Auto aperture (available only with SB-900 and SB-800 flash

AAunits). 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.

U

285