Sony Alpha SLT-A99 Handbook page 123

FEL lock
• An error message appears if you attempt to set a flash not compatible with the FEL
lock function.
• is indicated when you have locked both the AE and FEL.
To change the function of the custom button
You can set the button to hold the locked level while the button is held
down ([ ]) or assign another function.
FEL Lock hold
MENU button t 4 t [Custom button] t Select the desired
setting
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