Best settings on Q5Pro for good picture quality for 1080p projector

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What are the best recommended settings for good picture/audio quality on the Q5 Pro for 1080p projector?

My setup is a Marantz SR7000 (Only supports Dolby 5.1 and DTS 5.1).Receiver and Epson 5030 1080p projector.

I do have some 4K movies. All content is local. No streaming from Kodi/Addons.

I am ok with using HiMedia Player exclusively for playing movies.

Does the HiMedia player transcode rest of the audio formats not supported by my Receiver (Dolby True HD, Atmos..). 

Any help is greatly appreciated!