Godox TT685C - ETTL Wireless Flash Ratio Control

wireless flashes according to the same methods with normal flash shooting.
● Flash Exposure Compensation （ /Page**） ● High-Speed Sync （ /Page**）
● Flash Exposure Bracketing（ /
Page**） ● Manual Flash（Page**）
● Flash Exposure Lock（
Page**） ● Stroboscopic Flash（Page**）
About Master Unit
Use two or more master units. By preparing several cameras that with master units flash attached,
cameras can be changed in shooting while keeping the same lighting source (slave unit).
ETTL: Use the Wireless Shooting of Flash Ratio
Auto Flash Shooting with Two Slave Unit
Divide the slave units into A and B groups and balance their shooting illumination (flash ratio).
Auto control exposure to make the total output of A and B flash groups up to standard exposure.
1、Setting the flash groups of slave unit.
● Set the flash as slave unit.
● Press Function Button 3< > and choose <A> or <B>.
● Set one slave unit as <A>, the other as <B>.
2、Setting < >.
● Step 2 to Step 4 are set on the master unit.
● Press the Function Button 4 on the master unit so that < > is displayed.
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The firing frequency of stroboscopic flash during the optic transmission shooting can be set from
1Hz to 199Hz.
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Press Function Button 4 so that < >、<>和< > are displayed.