Panasonic Lumix DMC-LX100 Owner's Manual page 61

Basics
Select the recording mode
When changing the menu settings
Even if the menu settings are changed temporarily while any one of the custom settings is
selected, the currently registered settings will remain unchanged.
To change the currently registered settings, overwrite the registered data using [Cust.Set
Mem.] on the [Custom] menu.
Not available in the following case:
• In the [Intelligent Auto] Mode
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