These are the settings we used to calibrate the 65 inch Vizio M Series 2017 TV (M65-E0) and we expect them to be valid for the 50" version (M50-E1 ), the 55" version (M55-E0), the 70" version (M70-E3) and 75" version (M75-E1). These are good for most content, from watching movies to TV shows and gaming. For Gaming, some minor adjustments need to be done, and they are listed below.
Start off by selecting the 'Calibrated Dark' picture mode. For our calibration process in our completely dark room, we set the 'Backlight' to 21, but if you are in a bright room, or find our settings too dark, you should increase 'Backlight' as much as you want and it won't alter the picture quality. Leave 'Sharpness' at 0 for 1080p and 4k sources to prevent any over sharpening. For lower-quality content, like DVDs or SD channels, you might want to increase it a little bit, since it could make lower resolution content look a bit better. 'Brightness' and 'Contrast' can be left at their default value 50 and 'Tint' at 0.
We selected the 'Normal' 'Color Temperature' since it brought us the closest to our calibration goal, but if you find the picture a bit too yellow and dull, change 'Color Temperature' to something colder. The 'Active LED Zones' is the option that turns on and off the local dimming. We recommend to turn it on for most content, but if you don't like to have the screen changing luminosity depending on the scene, or if you see that some bright highlights sometimes dim too much, you can turn it off. The two next options 'Reduce Judder' and Reduce Motion Blur' are present in the 'Smartcast' app, but are not in use in this model, unfortunately, so they can't be used
If you are watching some older low-resolution content and you see too many artifacts or too much noise, you can enable the noise reduction features. Keep in mind that these soften the picture, so don't turn them on for high-quality content.
The next option in the list is the 'Game Low Latency' and if you intend to play video games, it is important to turn on this option to have the best input lag possible.
The 'Pure Cinema' option needs to be turned on to remove judder from 24p movies playing from 24p sources like DVD or Blu-ray players.
The 'Color Space' setting should be left at 'Auto' since it will change the color space to match the type of content you are watching automatically. For the 'Gamma' setting, we left it at 2.2 since it brought us the closest to our calibration goal in our completely dark room. The 'Gamma' can be changed, especially if you are watching some HDR content, and you find that dark scenes are too dark or you are missing some details. You can try a lower value to bring out dark details.
In the input menu, if you intend to play HDR movies via a UHD Blu-ray player of HDR video game via a console, it is important to turn on the 'Full UHD Color' option for the HDMI port 1. This allows HDMI port 1 to transmit at full HDMI bandwidth.
The following are the results of the white balance and colorspace calibration on our unit. They are provided for reference, and should not be copied as the calibration values vary per individual unit even for the same model and same size as the TV we reviewed due to manufacturing tolerances. If you want to try them you will need to enter all values shown, as all of them are active at the same time. If you end up with worse picture quality, simply reset them to the default values.