Panasonic Lumix DMC-GF6 Owner's Manual page 22

Preparation
Detaching the lens
Preparations: Attach the lens cap.
•
When using the interchangeable lens
(H-PS14042), change the lens only after
turning this unit off and checking that the lens
barrel has retracted. (Do not push in the lens
barrel with your fingers. Doing so may
damage the lens.)
A When retracting the lens barrel
While pressing on the lens release button B,
rotate the lens toward the arrow until it stops
and then remove.
To enable/disable the shutter release without lens.
[MENU] > [Custom]>
[ON]: Shutter will operate regardless of the lens on the unit.
[OFF]: You cannot press the shutter button when a lens is not attached to the
camera body or is not attached correctly.
•
When using a Leica lens mount adaptor (DMW-MA2M, DMW-MA3R: optional), set it to [ON].
[Shoot w/o Lens]
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