Vello FWIRC-C FREEWAVE User Manual page 17

Setting E-TTL Ratio Mode
Press the Mode button repeatedly
to cycle through the modes until
the desired E-TTL ratio mode
indicator appears onscreen.
Ratio Adjustment
In E-TTL (A:B) and E-TTL (A:B+C)
modes, you can adjust the power
output ratio between groups A and B.
To adjust the ratio:
1. Make sure the Commander is set to
the desired E-TTL ratio mode.
2. Press the Set button to make
the ratio value blink, and use the
Left and Right [
] navigation
buttons to adjust the ratio from 8:1
through 1:8.
Ratio
17