Questions on recording 4K display(s)

lovetorecord

New Member
Hello, I am new to OBS. My PC is connected to two 4K displays. Could you please let me know the following?

1. If I want to record things on the screen including crisp text, should I set both Base (Canvas) Resolution and Output (Scaled) Resolution to 4096x2160? Is there another option that produces clear text and graphic images while having small file size? I save in mp4 format.

2. If I want to record everything on both displays at the same time, how to do that?
Even I added both displays Display Capture and Display Capture 2 to Sources, the program only recorded things that showed up on Display Capture 2.
 
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