REVIEW: NEC LCD2690WUXi Part 9
Conclusion Controls
The NEC LCD2690WUXi offers a sophisticated control concept overall, with a more than extensive range and good ergonomic options Two different, comprehensive and intuitively designed OSDs are available for the user.
The only negative point is that the NaViSet software offers fewer options for screen settings, but this comes with a wealth of samples. Therefore, we rank the NEC 26-inch monitor 'very good' in this area.
The NEC LCD2690WUXi features a new A-TW Pol. H-IPS Panel with optional Overdrive. The contrast is 800:1 according to the manufacturer, which is quite high for IPS panels. The panel can display 16.77 million colours and has a response time of 8 ms (grey-to-grey).
The crystal effect for which this panel type is known is still present in the H-IPS panel on the LCD2690WUXi, but it is much fainter than in older-style IPS-Panels.
According to NEC, the maximum brightness of the LCD2690WUXi is a relatively high 400 Candela per square metre (cd/m²). During our settings and calibration tests, we therefore found it difficult to reach brightness values of below 140 Candela without the aid of the brightness regulating OSD modes.
In terms of illumination, the LCD2690WUXi with its IPS panel performs well, as expected. The monitor offers a subjectively balanced, homogenous picture over the entire display surface, with no visible lightening.
In order to measure the deviations in brightness over the display surface, we restored the LCD2690WUXi to its factory settings and then measured brightness at 15 points on the screen. The guide value for the brightness was taken from the centre and deviations from this value were then measured.
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The diagram shows the measurements of the brightness concentration in the factory settings of the LCD2690WUXi.
Certain variations in homogeneity and slight differences in colour are generally typical for LCD monitors in the consumer sector and the values measured on the LCD2690WUXi , with an average deviation of nine percent, are generally not visible. The maximum deviation is in the top right corner, at 23 percent.
Only the deviations in the upper corners are larger than a professional graphics artist would find acceptable. However, graphics artists generally focus on the centre of the image rather than the outer edges of their screens.
The LCD2690WUXi’s highly interesting ColorComp function should be used in this context according to the manufacturer; this feature is used to electronically balance colour and luminescence. We tested ColorComp by repeating the homogeneity measurements.
Here, we left the factory settings on our test monitor unchanged and then switched on the ColorComp function (Level 3). The result is more than noteworthy.
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Amazing! When ColorComp is activated, deviations in homogeneity vanish almost into thin air.
The average deviation from the guide value was now a mere 1.3 (!) percent and even the maximum deviation of four percent is hardly worth mentioning. A typical side effect when ColorComp is activated is the overall reduction in luminosity.
The viewing angles of the NEC LCD2690WUXi are given as 178 degrees both vertically and horizontally by the manufacturer. In practice, the image on our test monitor remained stable up until a side viewing angle of about 170 degrees. This is an excellent result and is no great surprise, since high viewing angle stability is generally a typical feature of IPS panels.
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