Canon MACRO RING LITE MR-14EX II Mode D'emploi page 28

l Setting the Flash RatioN
Single-side Firing
Flash tube
Flash tube
A only B only
Flash ratio control is not available on the models listed below. Both sides will
fire at the same flash output, or single-side firing will apply.
EOS Elan II/Elan II E/50/50E, EOS REBEL XS N/REBEL G II/3000N/66,
EOS REBEL 2000/300, EOS REBEL G/500N, EOS IX, EOS IX Lite/IX 7
The flash ratio of 8:1 to 1:1 to 1:8 is equivalent to 3:1 to 1:1 to 1:3 (1/2-
stop increments) when converted to the number of f/stops.
The details of the flash ratio settings are as follows.
When <l>, <4>, or <5> is not displayed, flash tubes
A and B will fire at the same flash output.
When the flash mode is set to <a>, see pages 32-34.
26
Set <4> or <5>.
Press the <,> button to display
<_> and <4> or
<_> and <5>.