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Power Management
Use Power Switch to power the ash unit on (Long press the
button for one second) or off. Turn off if it will not be used for an
extended period of time. Setting as a master ash, it will turn the
power off automatically after a certain period (approx. 90 sec-
onds) of idle use. Pressing the camera shutter halfway or press-
ing any ash button will wake up the ash unit. Setting as a slave
ash, it will enter sleep mode after a certain period (adjustable,
60 minutes by default) of idle use. Pressing any ash button will
wake it up.
Disabling Auto Power Off function is recommended
when the ash is used off camera. (C.Fn-ST, Page 46)
Flash Mode: TTL Autoash
This ash has three ash modes: TTL, Manual (M), and Multi
(Stroboscopic). In TTL mode, the camera and the ash will work
together to calculate the correct exposure for the subject and the
background. In this mode, multiple TTL functions are available:
FEC, HSS, second curtain sync, etc.
* Press < MODE > Mode Selection Button and three ash modes
will display on the LCD panel one by one with each pressing.
TTL Mode
Press < MODE > Mode Selection Button to enter TTL mode. The
LCD panel will display < TTL >.
• Press the camera release button halfway to focus.
• When the shutter button is fully pressed, the ash will re a pre-
ash that the camera will use to calculate exposure and ash
output the instant before the photo is taken.
Display “HI”: When the ash output value is up to the maximum
value, “HI” will be displayed and blinking for 3 seconds. Adjust
the camera’s parameters if underexposure appears.
Display “Lo”: When the ash output value is up to the minimum
value, “Lo” will be displayed and blinking for 3 seconds. Adjust
the camera’s parameters if overexposure appears.