Panasonic LUMIX DMC-LX100 Operating Instructions Manual page 125

Turning on/off the AF Assist Lamp
→ [Custom] → [AF Assist Lamp] → [ON] / [OFF]
Illuminates the AF Assist Lamp when the shutter button is pressed halfway when it is too
dark to facilitate focusing. (A large AF area is displayed based on recording conditions.)
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The AF Assist Lamp has an effective distance of 1.5 m (4.9 feet).
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AF Assist Lamp is effective for a subject at the centre of the screen. Use the lamp by
positioning a subject at the centre of the screen.
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If you do not want to illuminate the AF Assist Lamp when you take a picture in a dark
location (e.g. taking a picture of an animal in the dark), set this function to [OFF]. When
the AF Assist Lamp is set to [OFF], sharper focusing will become difficult.
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The setting is fixed to [OFF] in the following case:
• When [Silent Mode] is set to [ON]
Enabling/disabling recording when a subject is out of focus
→ [Custom] → [Focus/Release Priority]
[FOCUS]: Recording is disabled unless the focusing is performed properly.
[RELEASE]: Recording is performed when you fully press the shutter button to
place priority on the shutter release timing that helps to avoid missed
opportunities.
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Note that a picture may be out of focus when [RELEASE] is set, even if the focus mode
is set to [AFS], [AFF], or [AFC].
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This function is disabled during motion picture recording.
Enabling/disabling manual focus adjustment after AF
→ [Custom] → [AF+MF] → [ON] / [OFF]
You can manually perform fine focusing during AF Lock (pressing the shutter button
halfway when [AFS/AFF/AFC] is set to [AFS] or setting AF Lock using the [AF/AE LOCK]
button).
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Adjusting the focus and brightness (exposure)
Taking pictures with Auto Focus
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