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A The Flash Sync Mode Display
M does not appear in the control panel flash sync mode display when [– –]
is selected for [Built-in flash] > [Mode].
A Flash Compensation
The flash compensation value selected with the Y (M) button and sub-
command dial is added to the flash compensation values selected for the
built-in flash, group A, and group B in the [Commander mode] menu.
A
Y icon is displayed in the control panel and viewfinder when a flash
compensation value other than ±0 is selected for [Built-in flash] > [TTL].
The Y icon flashes when the built-in flash is in mode [M].
D Commander Mode
Position the sensor windows on the remote flash units to pick up the
monitor preflashes from the built-in flash (particular care is required when
not using a tripod).
Be sure that direct light or strong reflections from the
remote flash units do not enter the camera lens (in TTL mode) or the
photocells on the remote flash units (AA mode), as this may interfere with
exposure.
To prevent timing flashes emitted by the built-in flash from
appearing in photographs taken at short range, choose low ISO
sensitivities or small apertures (large f-numbers) or use an optional SG-3IR
infrared panel for the built-in flash.
An SG-3IR is required for best results
with rear-curtain sync, which produces brighter timing flashes.
After
positioning the remote flash units, take a test shot and view the results in
the camera monitor.
Although there is no limit on the number of remote flash units that may
be used, the practical maximum is three.
With more than this number, the
light emitted by the remote flash units will interfere with performance.