Canon EOS R50 Mirrorless Camera (White) - Manual (Page 143)

Note
When ISO Auto is set, you can press the < > button to lock the ISO speed.
If you press the < > button and recompose the shot, you can see the exposure
level difference on the exposure level indicator compared to when the < >
button was pressed.
Any existing exposure compensation amount is maintained if you switch to <
M >
mode with ISO Auto after using exposure compensation in < P >, < Tv >, or < Av >
mode ( ).
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