Panasonic LUMIX DMC-GM1 Operating Instructions For Advanced Features page 111

4. Recording Modes
[Toy Effect]
[Toy Pop]
[Bleach Bypass]
This effect reduces peripheral brightness to give the impression of
a toy camera.
Items that can be set
Colour
This effect creates a vivid and bright image with the look of a toy
camera.
Items that can be set
Area with reduced
peripheral
brightness
This effect gives a higher contrast and a lower saturation to create
a sober and tranquil picture.
Items that can be set
Contrast
Orange
emphasised
Small
Low contrast
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Blue emphasised
Large
High contrast