Custom function settings – Canon MR-14EX User Manual
Page 65
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Custom Functions
Custom Function Settings
Function
Custom
Function No.
Setting
No
Description
FEB cancellation after completion
C.Fn-1
0
Enabled
1
Disabled (FEB continues)
FEB sequence
C.Fn-2
0
Correct exposure, decreased exposure, increased exposure
1
decreased exposure, correct exposure, increased exposure
Flash metering system
C.Fn-3
0
E-TTL autoflash
1
TTL autoflash
Test firing button
C.Fn-4
0
With E-TTL autofiash, fire at full output
With manual flash, fire at the set output
1
Uniform modeling flash
Wireless slave control
C.Fn-5
0
Slave C only
1
Slaves A, B, and C
Modeling flash with flash ratio C.Fn-6
0
Enabled
1
Disabled (Depth-of-field preview)
Power source for flash chargingC.Fn-7
0
Internal power + External power
1
External power only
C.Fn-4: Setting this to “1" will have the flash heads fire the modeling flash fire at the same
output with all EOS cameras. If both flash heads have been set to fire with
autoflash, both flash heads will fire the modeling flash at the same output. In the
manual flash mode, the modeling flash will be fired at the flash ratio set manually.
C.Fn-5: When this is set to “1", slave units whose ID is A or B will fire as part of the same
slave group as flash tube A or B respectively.
C.Fn-7: When an external power pack is used, the flash unit uses both the internal and
external power sources to recharge the flash. Flowever, the internal power source
may become exhausted sooner than the external power pack, preventing the flash
from firing. By setting this Custom Function to "1,” the flash unit will use only the
external power pack to recharge the flash so that the internal power source will last
longer. (The focusing lamp is always powered by the internal power source.)
<1 • With a Type-A camera, the C.Fn-3-1 setting will not enable wireless operation
with autofiash.
•With the EOS D30 camera, setting C.Fn-3-1 will disable the flash.
• If C.Fn-5-1 is set, you cannot have only one flash tube firing.
a
With a Type-B camera, TTL autoflash will be set regardless of the G.Fn^3 setting.
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