OM SYSTEM OM-5 Mirrorless Camera with 12-45mm f/4 PRO Lens (Silver) - Manual (Page 276)

Option Description
qR Function
Choose the role played by the R button during playback.
[ 9 ]: Create or modify a “share order” by marking pictures for upload to a
smartphone.
[ 4 ]: Select multiple pictures.
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B Button/Dial