Canon EOS R3 Advanced User's Manual page 30

(1) Eyecup
(2) Multi-function shoe
(3) Flash sync contacts
(4) < > Focal plane mark
(5) <
(6) Microphone
(7) < > Flash exposure compensation/metering mode selection button
(8) Strap mount
(9) < > External microphone IN terminal
(10) < > Digital terminal
(11) <
(12) < > Headphone terminal
(13) < > Ethernet RJ-45 terminal
(14) < > PC terminal
(15) Terminal cover
(16) Battery release handle
(17) Battery
(18) Battery compartment cap
(19) LCD panel
(20) < > LCD panel info switching/illumination button
(21) < > Exposure compensation/aperture value setting button
(22) < > Mode button
(23) < > AF point selection button
(24) < > AE lock button
(25) < > Quick control dial 2
(26) < > AF start button/Smart controller
(27) < > Quick Control button
(28) Access lamp
(29) Power/multi-function lock switch
(30) Speaker
(31) Screen
(32) < > Menu button
(33) < / > Rating/voice memo button
> Drive mode/AF operation selection button
> HDMI micro OUT terminal
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