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C: Setting Custom Functions
C.Fn-03: ( (FEB auto cancel)
You can set whether or not to cancel FEB automatically after shooting three
shots with FEB.
0: ON (Enabled)
1: OFF (Disabled)
C.Fn-04: ) (FEB sequence)
You can change the FEB shooting sequence. 0: Standard exposure, –:
Decreased exposure (darker) and +: Increased exposure (brighter).
0: 0 9 – 9 +
1: – 9 0 9 +
C.Fn-05: * (Flash metering mode)
You can change the automatic flash metering mode for flash photography.
0: E-TTL II/E-TTL
1: TTL
2: Ext.A (External metering: Auto)
3: Ext.M (External metering: Manual)
When using an EOS DIGITAL camera or EOS REBEL T2/EOS 300X, do
not set to 1. Depending on the model, the autoflash may not be
controlled correctly; for example, the flash may not fire, or it may always
fire at full output.
When set to 1, 2, or 3, radio transmission/optical transmission wireless
shooting is not possible.
1 is the setting for Type-B EOS film cameras (p.138).
When using a Type-B camera, you cannot perform E-TTL II/E-TTL
autoflash photography even when 0 is set.