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Review Monitor Acer T230Hbmid Page 9
Contents:IntroductionScope of supplyDesign and mechanicsPower consumptionConnectorsControlsOSDMulti-touch technologyImage qualityResolutionGrey levelsColour levelsBlack valueBrightnessBrightness distributionViewing angleMeasurements and calibrationColour space comparison3D colour space comparisondeltaE deviationProfile precision: sRGBUGRA testSoundInterpolationInterpolation: TextInterpolation: GamesResponsivenessInput lagApplicationsDVD and VideoVideo signal processingSupported refresh ratesDeinterlacingConclusion
In order to gain a first impression of the actual deviations in colour-management software, we created suitable test patterns in Adobe Photoshop,[url=http://duveticavestesfr.halod.com/][b]duvetica vestes paris[/b][/url], provided them with the respective profile of the working colour space the case of the Acer T230H, the sRGB profile and carried out measurements. Adobe (ACE) was used as CMM.
The calibration brings the grey level reproduction to a good level. Only for the darkest grey values is the deviation above the level of what is noticeable,[url=http://giuseppezanottiweddingshoes.webmium.com/][b]giuseppe zanotti wedding shoes Shop[/b][/url], with a deltaE of 1.8. For colours, the result is not quite as good, with blue falling out of range once more. The white point,[url=http://duveticavestesfr.halod.com/][b]duvetica vestes paris boutique[/b][/url], brightness and black point, on the other hand,[url=http://duveticavestesfr.halod.com/][b]Doudoune Duvetica Femme online shop[/b][/url], are almost ideal. In the darker grey levels,[url=http://cheapsoccercleatswithfreeshipping.webmium.com/][b]soccer cleats for sale[/b][/url], the gamma drops somewhat too sharply. The contrast has dropped to 700:1, but this is still good for 140 cd/m In the amateur sector,[url=http://cheapsoccercleatsonlinestore.blogspot.com/][b]cheap soccer cleats online store[/b][/url], then, the calibrated T230H could be used for editing photos.
The calibration of the Acer T230H is very simple. After calibration, the deviations form the target value are low. Only the aforementioned delayed levelling out of the measurement values is irritating.
Representation of the RGB correction curve after sRGB calibration. The closer the three coloured lines lie to the 45 axis,[url=http://woolrichoutletde.albirank.net/][b]Woolrich Damen Parka[/b][/url], the fewer colours are discarded by the graphics card for correct calibration and the more intact the colour gradients remain.
As the correction curve shows,[url=http://rogervivieroutlet.webmium.com/][b]http://rogervivieroutlet.webmium.com/[/b][/url], the hue curves hardly need to be adjusted at all. Just a tweak at the low values shoes that the adjustment here is not too good.
In order to test the suitability of the Acer T230H for digital pre-printing processes,[url=http://rogervivieroutlet.webmium.com/][b]roger vivier australia store[/b][/url], we calibrated it to the UGRA criteria (5800 Kelvin,[url=http://monclerjackedeutschland.albirank.net/][b]Moncler Jacken Outlet Sale Moncler DaunenJacke Online Shop Deutschland[/b][/url], gamma 1.8 and 120 cd/m The white point was adjusted using the following values: C30 / B61 / R100 / G89 / B88. However, the T230H falters when it comes to grey level display and does not achieve certification.
Two tiny stereo speakers are integrated out of sight into the Acer T230H on the interior of the monitor exterior. These transmit through the openings at the back of the model. They can either be fed via HDMI or via an audio signal through the 3,5 mm jack connector. The volume can be regulated using the left and right buttons on the monitor. The sound is reminiscent of the sound profile of a cheap kitchen radio. This is certainly sufficient for the system sounds of the operating system, but the speakers are not suitable for Internet radio or even (Film) music. There is no headphone output.
The OSD of the Acer T230H does not offer any option for influencing the image format. The manual also does not include any details on this,[url=http://monclerjacketsuk.albirank.net/][b]http://monclerjacketsuk.albirank.net/[/b][/url].
Our test revealed that the monitor proceeds rather randomly when scaling smaller image formats. As a rule of thumb,[url=http://woolrichoutletde.albirank.net/][b]Woolrich Arctic Parka[/b][/url], it can be said that most of the non-native resolutions are upscaled to full screen. However, there are some exceptions. For example, widescreen formats with a height of at least 1.000 pixels are displayed in pixel-precise format - this applies to 1.776 x 1.000,[url=http://discountparajumperssaleonlinestore.webmium.com/][b]http://discountparajumperssaleonlinestore.webmium.com/[/b][/url], 1.680 x 1.050 and 1.360 x 1.024. The HD-ready format 1.360 x 768 is enlarged somewhat, but is still displayed with black borders. 1.280 x 768 appears in its full width, but with black borders around it (see photo for games interpolation).
Also with very low resolutions such as 800 x 600 and 640 x 480, the T230H still interpolates with ease; the display of boot processes,[url=http://peutereyjacket.webmium.com/][b]http://peutereyjacket.webmium.com/[/b][/url], BIOS menus etc. is no problem.
In the native resolution 1.920 x 1.080 and the aforementioned pixel-precise resolutions,[url=http://cheapsoccercleatsonlinestore.blogspot.com/][b]http://cheapsoccercleatsonlinestore.blogspot.com/[/b][/url], the legibility of texts is outstanding. In all other resolutions, interpolation side effects arise.
Contents:IntroductionScope of supplyDesign and mechanicsPower consumptionConnectorsControlsOSDMulti-touch technologyImage qualityResolutionGrey levelsColour levelsBlack valueBrightnessBrightness distributionViewing angleMeasurements and calibrationColour space comparison3D colour space comparisondeltaE deviationProfile precision: sRGBUGRA testSoundInterpolationInterpolation: TextInterpolation: GamesResponsivenessInput lagApplicationsDVD and VideoVideo signal processingSupported refresh ratesDeinterlacingConclusion
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