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1.
Function of parts
1.
Lens release button
Pull down to release the lens locking
2.
Multiple functions button ( MFB )
a)
Force adapter into firmware update mode if being pressed when adapter power on. Please
do not
push when you put lens/adapter
combination into camera body and want to shoot pictures. FW update can only be done with a PC and an USB Micro cable, not
through camera body.
b)
When shooting, a quick button click will switch lens exposure mode between FUJI lens mode C (Aperture priority by camera
command dial) and A (Programming auto mode by camera). According to FUJI: