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Update Eizo has confirmed that the display is a single-tile unit.
http://techreport.com/news/26849/eizo-flexscan-ev3237-has-31-5-of-4k-goodness
And there is no mention of MST in its manual either (and 3840 × 2160 / 60 Hz / VESA CVT RB is listed as a supported and...
Changing the Local Set and Tuner settings is possible too, read the whole thread I linked. You just need a Samsung Android device with an IR blaster or a PC with a Samsung IR extender.
Changing the region should be possible, see http://forum.samygo.tv/viewtopic.php?f=75&t=7882.
H series is not yet supported by SamyGO, but the developers are working on it (they've already managed to get root access).
I'm using the HDMI4 input with HDMI UHD Color enabled (not sure if it makes any difference with an HDMI 1.4 source). The only really different input seems to be HDMI3, which supports MHL and HDCP 2.2, but is limited to 300 MHz clock (SiI9679 receiver?).
Are you using your custom mode or the...
The red text looks perfectly fine on my Samsung UE40HU6900 and the input lag seems to be very low (3840×2160 @30 Hz, NVIDIA GeForce GT 730, no custom EDID).
Do you have it set to PC mode? There also seems to be some kind of firmware (or driver?) bug and when switching resolutions it...
Maybe those “vertical scanlines” aren't caused by that dark color optimization… sometimes I see them in bright areas too (they are more visible in the dark ones, though).
BTW, the panel is probably Samsung LSF400FM01-G.
Yes, PC mode, picture mode Standard, backlight 20 (max.), contrast 100, brightness 45 (default), sharpness 0, gamma 0, colour tone Standard, HDMI black level Normal, HDMI UHD color on. Settings like dynamic contrast, black tone or motion lightning are greyed out and set to off in this mode.
The panel manufacturer seems to be Samsung (service menu says 40A6AU7VH) and the panel technology is probably PSA (or some derivative).
e‐Manual says UHD 50p/60p RGB and YCbCr 4:4:4 are supported (when HDMI UHD Color menu option is turned on), but I have no way to confirm it.
And...