Press the Menu button just below the on/off switch. 2. Tap the wrench icon. 3. Select page 4 of the wrench menu. 4. Tap Display settings. 5. Tap Display control and choose Manual instead of Auto.  6. Tap Manual display and select Screen. 7. Press the Menu button twice to exit the menu display. The electronic viewfinder on your Canon EOS R mirrorless camera will now be disabled and you can use the camera’s LCD screen for your video shoot without the screen turning off whenever you or another object get too close to the viewfinder proximity sensor.