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21
Preparation
Icons in Commander flash operation
1 Wireless Flash
A control signal is sent from the SU-800
to the remote flash units such as the
SB-R200.
2 Commander Mode
Commander function is activated.
3 Low Battery-power
Replace the battery.
4 Channel
Represents the communication channel
number through which the Commander
and Speedlight exchange data.
5 CLS-compatible camera
The SU-800 is connected to cameras
compatible with CLS.
6 AF-Assist Illuminator activated
The AF-Assist Illuminator comes on. NO
AF-ILL appears when the AF-Assist
Illuminator is canceled (p. 91).
7 Group
Represents the group names and flash
mode in each group.
8 Flash Output Level Compensation
Value
Flash output level compensation value.
9 Manual Flash Output Level
Represents flash output level for each
group in Manual flash mode.
Icons in close-up flash operation (using cords)
1 Close-up Mode
Close-up function is activated.
2 Monitor Preflashes
Just before the flash fires, the Speedlight
fires a series of imperceptible
preflashes.
3 TTL Mode
Measuring the flash illumination reflected
back from the subject, the camera
automatically controls the flash output
level to give the correct exposure.
4 Balanced Fill-Flash
The flash output level is automatically
controlled for a well-balanced exposure
of the main subject and background.
5 Low Battery-power
Replace the battery.
6 Flash firing (Group A)
Flash unit(s) in Group A fires in the TTL
mode.
7 Flash firing (Group B)
Flash unit(s) in Group B fires in the TTL
mode.
Display in TTL BL mode Display in M (manual) mode