Canon EOS R3 Advanced User's Manual page 32

(1) Viewfinder eyepiece
(2) < > Multi-controller (can also be pressed straight in)
(3) < > Info button
(4) < > Set button
(5) < > Quick control dial 1
(6) < > Playback button
(7) < > Network lamp
(8) < > Magnify/reduce button
(9) < > Erase button
(10) Dioptric adjustment knob
(11) < > Still photo shooting/<
(12) < > Multi-function button
(13) < > Main dial
(14) Strap mount
(15) Movie shooting button
(16) Card slot 1
(17) Card slot 2
(18) Card slot cover
(19) Card 1 eject button
(20) < > Vertical-grip Multi-controller (can also be pressed straight in)
(21) < > Vertical-grip AF start button/Smart controller
(22) < > Vertical-grip Quick control dial 2
(23) < > Vertical-grip AE lock button
(24) < > Vertical-grip AF point selection button
> movie recording switch
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