User's Manual

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Group A Flash power & Flash frequency connection table
Flash power
Flash times
Canon master control Multi mode
25 26
Compatible Devices
PressOKbutton, when Frequency flickered,
press【← /【→ button to set flash frequency
from 1-199Hz.
Strobe flash
PressOKbutton, when times flickered, press
【←】/【→】to set flash times, the maximum
flash times are influenced by Group A Power.
1. 3 series Canon Camera, based on different
functions.
I. Available for Camera-Menu-controlled external
flashlight Canon Types (Abbreviated Series A):
450D500D550D600D650D700D
1100D1000D40D1DMarkIII1D arkIV
1DsMarkIII5D7D60D50D5D MarkII
MarkIII
II. Available for ONLY Camera-Menu-controlled Flash
Light Parameters & modes; NOT Available for
Camera Menu-controlled external flashlight Canon
Types (Abbreviated Series B):10D20D30D
300D350D1D1DMarkII5D
III. Available for other brands Cameras with standard
Hot Shoe (Abbreviated Series C)