Optical Transmission:
Be careful not to block the optical transmission sensor
during use.
The flash unit supports wireless slave flash
shooting (optical transmission)which requires master flash to equip
with optical transmission function, flash mode can be set by the
master flash.
Supported flash mode: TTL,M.
Supported Communication channels: 1,2,3,4.
Supported grouping A,B,C
Supported master unit:
YN 56 8 EX II /5 8 0E X ( I I) / 60 0E X (RT )S B 90 0/ S B8 00 / SB 7 0 0 ,i n t e r n al
flashing command from7D/60D/600D Camera flash, C command of
1.Set flash mode to optical transmission.
Press the [ ] button until the screen
displays that the flash mode is set to [ ].
2.Set up wireless channels and grouping
Short press the [CH/ID] button to set the
channel. Press the [GR] button to set the
grouping.
3.Setting of master unit
The mode and grouping of participating
flash are set in the master unit, please refer
to the manufacturer's manual for details.
S1 mode: In this mode it will work with the
first flash synchronously of the master flash,
with the result consistent with the use of
radio slave. To use this mode properly, the
master flash should be set at manual flash
S2 mode: It is also called "pre-flash cancel
mode". It can neglect the pre-flash given by
TTL flash. Therefore, it can support the
master flash working in TTL mode.
S1 and S2 mode: S1 and S2 mode are suitable for Manual flash
environment and TTL flash environment respectively. Under these
two modes, the way to adjust the output is like that in M mode.
Press the [ ] button until the screen displays that the flash mode
is set to [S1] or [S2].
-9-
Wireless Flash Shooting: Optical Transmission
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