Startup.cfg new lines

[Roland_HUNter]

Hello all!

I just edited my startup.cfg for Tacview and I saw new lines in the cfg, but I don't know what are they:

 

[KEY = graphics]
    3dhud = 0
    adapter = 0
    bloom_enable = 0
    desktop_center = 1
    detail_rt_res = 1024
    draw_distance = 0.27400
    far_blocks = 1
    fps_counter = 0
    fps_limit = 0
    full_height = 768
    full_width = 1280
    fullscreen = 0
    gamma = 1.00000
    grass_distance = 100.00000
    hdr_enable = 0
    land_anisotropy = 1
    land_tex_lods = 3
    max_cache_res = 1
    max_clouds_quality = 3
    mgpu_compatible = 0
    mirrors = 1
    multisampling = 2
    or_ca = 0.00000  <----What is this?
    or_enable = 0      <----What is this?

[SFF_Esso]

Isn't those lines for Oculus Rift? Been there years.

[69th_Panp]

This one was not there before, I've asked in another post and had no responce

or_ca = 0.00000  <----What is this?

[THERION]

15 minutes ago, Panp said:

This one was not there before, I've asked in another post and had no responce

or_ca = 0.00000  <----What is this?

 

Sure it's been there for quite a while - just checked an old startup.cfg file I backuped some month ago.