Functions accessible through the OSD are surprisingly
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submenu showing eight picture modes: Standard, sRGB,
Scenery, Theater, Game, Night View, Reading, and
Darkroom. The second, Blue Light Filter, lets you choose
among four levels of blue-light reduction for reducing
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The third, Color, lets you control color temperature and
saturation but also brightness and contrast. Next is Image,
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item, System Setup, lets you control settings such as Auto
Rotation (so the text or image on the screen will remain
right-side-up whether you’re in landscape or portrait
orientation), Eco Mode, and Language. The sixth, Shortcut,
lets you go to widely used settings such as Brightness. Next
is MyFavorite, which lets you set, save, and access favorite
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The ZenScreen Touch’s OSD is among the best I’ve seen on a
portable monitor, rich with options and a cinch to navigate
using its mini-joystick control. In addition, many of the
monitor’s functions can be controlled from a PC through a
Windows desktop app known as Asus DisplayWidget.
BRIGHTNESS AND COLOR TESTING
I did our luminance, color, and contrast testing using a Klein
K10-A colorimeter, a Murideo Six-G signal generator, and
Portrait Displays’ CalMAN 5 software. A lot of mobile
monitors claim luminance (brightness per unit area) ratings
in excess of 200 nits (candelas per meter squared), but only
a handful have achieved that in our testing. The ZenScreen
Touch is one of the happy few, testing at 240 nits, just short
of its 250-nit rating. Its 1,260:1 contrast ratio is well in
excess of its 700:1 rating, thanks to its ability to render dark
shadow areas.
Functions
accessible via
the OSD are
surprisingly
comprehensive,
rivaling those
found on an
Asus desktop
monitor.