OSD Setup, Calibration And GamePlus
The PG279Q has every feature a gaming enthusiast could want—G-Sync, fast refresh, blur-reduction with variable pulse-width, multiple picture modes and pixel overdrive. And it's the first display that can accept signals at 165Hz and run stable at that rate with or without adaptive refresh engaged.
OSD Tour
There are three distinct modes of operation possible: Normal, G-Sync and ULMB. Each has unique characteristics and requires certain conditions to function properly. The upper-right corner of the OSD tells you everything you need to know and will change in real-time when you adjust options in the Nvidia Control Panel. You can also tell the mode by the color of the power LED. Normal is white, ULMB is green and when G-Sync is active it glows red.
Since the PG279Q is a native 144Hz panel, an overclock is required to achieve 165Hz, which works in both Normal and G-Sync modes. Here's where you turn that on and set the new max rate. Once you've done this, the monitor reboots and the options in Nvidia Control Panel are updated. You can also press the Turbo button on the bezel to change rates on the fly.
GameVisual is where you'll find the six picture modes. The default setting is Racing and after much fiddling, we found that to be the best place to start from when calibrating. Unfortunately, none of the modes are terribly accurate without adjustment, sRGB included. In that mode, brightness is locked at 150cd/m2 and no changes are possible. We recommend using Racing with our settings provided at the end of this page for best results.
The Blue Light Filter reduces the intensity of the blue primary and creates a warmer white point. Its goal is to reduce eye fatigue and it accomplishes that. A calibration will do the same thing and improve image quality at the same time.
The Color menu has a good set of calibration options. Brightness changes light output across a range of 61 to 373cd/m2 while providing consistent contrast. Speaking of contrast, that slider comes set too high out of the box. We saw clipping of bright detail and some significant gamma problems at the default setting. Dropping it to 42 solved a lot of issues and didn't reduce dynamic range too much.
The Color Temp presents number three and you get a user mode with RGB sliders. We used them to achieve excellent grayscale tracking.
The Image menu is where you'll find the Overdrive and ULMB controls. Normally we'd set OD to Extreme but in the PG279Q's case, there was a good deal of ghosting visible as white trails behind moving objects. Setting it to Normal reduced the artifact to almost nothing and only cost us one millisecond of panel response.
To engage ULMB you must first disable G-Sync and set the refresh rate to 80, 100 or 120Hz. Even at the maximum pulse width (least amount of blur reduction) motion resolution is greatly improved but at a major cost in light output—67 percent. Unlike many other monitors though, there isn't too great a hit to contrast; it is reduced by only 17 percent. Though we're glad to see the feature included, we think the 165Hz refresh rate and G-Sync capabilities make a more positive impact on image quality.
Here is the input selector. The PG279Q doesn't automatically sense incoming signals so you'll have to use the OSD to switch between HDMI and DisplayPort. There isn't a quick access key available either.
The remaining convenience options are in the System Setup menu. Languages total 21. The OSD can be repositioned though it's so large that you'll want to leave it in the lower right. Transparency and Timeout can be set here as well. Key Lock disables all function keys to prevent tampering. Information simply repeats what's already shown in the upper right of every OSD screen. Light In Motion turns on the lighting in the monitor's base. Sound options include Volume and Mute.
To return all settings to their factory defaults, choose All Reset. The DisplayPort and HDMI Deep Sleep options are there to ensure Energy Star compliance for standby power consumption. If the monitor won't come on by itself either turn them off or press any bezel key except the power button. In our tests, the monitor always woke up along with our PC.
Calibration
Calibrating the PG279Q took a little more effort than we're used to with Asus monitors. Typically the default Racing mode is pretty good and only requires small adjustments to become excellent. But our initial measurements showed a serious gamma issue that completely wiped out detail in the 70 to 100 percent signal range. The culprit is the Contrast slider, which is set much too high. Once we reduced it, image quality and accuracy improved significantly. We strongly suggest trying our settings below when optimizing your PG279Q.
| Asus PG279Q Calibration Settings | |
|---|---|
| Mode | Racing |
| Blue Light Filter | 0 |
| Contrast | 42 |
| Color Temp User | Red 100, Green 95, Blue 95 |
| Brightness 200cd/m2 | 47 |
| Brightness 120cd/m2 | 20 |
| Brightness 100cd/m2 | 14 |
| Brightness 80cd/m2 | 7 |
| Brightness 61cd/m2 | 0 |
GamePlus
Like the MG278Q we reviewed recently, the PG279Q includes the latest version of Asus' GamePlus feature. Through a hot-key on the bezel you can call up a menu that places a reticule, countdown timer or framerate indicator on the screen. Once you've made a selection, the object can be moved around with the OSD joystick.
We think GamePlus is pretty cool and you won't find it on any other brand we're aware of. Since the graphics are created by the monitor's firmware, there is no impact on video processing. The only flaw is you can't have more than one option active at a time. It would be great for instance to have the FPS counter and the reticule working together. Not a big deal though; we still found the feature handy during our gameplay sessions.