I measured the four default modes. Note that all can be modified, although you cannot save those modifications into a Saved area. They will be there the next time, but if you change them again, those earlier settings are lost. So, if you like to play around, keep track of your settings.
I also measured Expert 1, after using the wizard.
The table here shows the brightness for Vivid, Standard, Cinema, Game, and also Expert 1 based on the Expert wizard. Since we did not fully calibrate this projector we don't have a brightness number for post calibration, but I would expect it will be in the general range of the Cinema numbers.
Sadly, like almost all of the compact LED projectors we've reviewed in the past 4 years - pico projectors, pocket projectors or larger compact projectors like this one, the PF85U does not come close to meeting its claimed brightness (but there have been a couple of exceptions)
The PF85U claims 1000 lumens. The brightest, though, that I was able to measure, was Vivid mode with the Peak boost turned on. Even that clocked in at only 686 lumens. Since Peak is only available to Vivid - the LG's brightest mode, none of the other modes measured more than 503 lumens.
The table above shows the measured brightness for each of the modes, with all available eco and regular modes.
Vivid, and the other modes offer Minimum, Medium, and Maximum settings, but pay attention! Minimum means "minimum eco efficiency" so it is the brightest of the three, only exceeded by a Peak boost, and only in Vivid. Maximum means the least bright image and the most power savings. That's a bit confusing, but it becomes clear pretty quickly when playing around.