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Using FV Lock with the Built-in Flash
FV lock is only available with the built-in flash when
TTL
is selected for
Flash cntrl for built-in flash
in the shooting menu (
A
Using FV Lock with Optional Flash Units
FV lock is also available with optional flash units in TTL and (where
supported) monitor pre-flash AA and monitor pre-flash A flash control
modes. See the flash unit manual for details.