Canon Macro ring lite MR-14EX II Instruction Manual page 65

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C.Fn-07:
You can change the flash output when firing the test flash in E-TTL II/
E-TTL/TTL autoflash mode.
0: 1/32 (1/32)
1: 1/1 (Full output)
3
C.Fn-12:
0: 1 (External & internal power)
Charges in parallel, using both internal and external power sources.
1: 2 (External power only)
You can minimize the consumption of the internal power source by
using only external power source to charge for firing the flash, while
internal power source is required to control the MR-14EX II.
6
C.Fn-13:
0: 4 (Speedlite button and dial)
1: 5 (Speedlite dial only)
You can set the flash exposure compensation or flash output by directly
turning <9>, instead of pressing the <@> button.
H
C.Fn-15:
0: C (Slave C)
During wireless multiple flash shooting, slave units set in firing group C
can be wirelessly-controlled.
1: ALL (Slave A, B and C)
During wireless multiple flash shooting, slave units set in firing group A
and B, as well as slave units set in firing group C can be fired as a
group linked with master unit flash tube A and B, respectively.
When 1 is set, single-side firing is not possible.
(Test firing with autoflash)
(Flash recycle with external power source)
(Flash exposure metering setting)
(Macro: Wireless control)
C: Setting Custom Functions
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