I should add, that this issue is the same with cameras other than just the R7. R6 as well at least and I suspect the R5 would function similarly as well.
I just registered just so I could thank you for your wisdom! Page 419 does indeed highlight how to continue HDMI out beyond 30 minutes. Unless you have HDMI display set to both external and camera LCD, after 30 minutes the "Display off" in "Power Sav...
