Nissin i40 Instruction Manual page 13

Manual Exposure Flash
In some occasions, or for special expression, you may need your own flash
exposure instead of the automatic controlled exposure. You can set i40 for
non-automatic flash mode, and select the desired flash power from 9
different levels
Set i40 to the camera's hotshoe and press the on/ off switch to power on.
Indicator Lamp A on.
Rotate the Function dial to "M" mode.
Indicator Lamp B on.
You can select the power by rotating the Power dial :
1/256 ﹣1/128 – 1/64 – 1/32 – 1/16 – 1/8 – 1/4 – 1/2 –
1/1 (Full) power.
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