Panasonic LUMIX DMC-GF7KGN Operating Instructions Manual page 155

5. Focus and Brightness (Exposure) Settings
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AF Lock only is effective when taking pictures in Manual Exposure Mode.
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AE Lock only is effective when taking pictures with Manual Focus.
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Lock operations are disabled during motion picture recording. If you start recording a motion
picture without cancelling the lock, only AF LOCK will be applied to the motion picture.
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The subject can be focused again by pressing the shutter button halfway even when AE is
locked.
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Programme Shift can be set even when AE is locked.
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