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VIZIO VO370M

Television Review

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VIZIO VO370M
Page 5

Viewing Effects Summary



• Viewing angle was disappointingly small
• Reflections on the screen produce an annoying halo effect
• Testing done using DisplayMate Software

Viewing Angle (2.84)

The viewing angle of the VO370M was rather disappointing; we test this by finding the angle at which the black to white contrast ratio falls below 50% of the maximum, and this happened here at just 21 degrees. That's a significantly smaller angle than some; this didn't happen with the  JVC LT-42P300 until 38 degrees off axis. However, this is another curse of the cheap HDTV: we saw similar performance from the LG 37LH30 and the Samsung LN32B360 was even worse.

Viewing Angle

What this means in real world use is that those sitting at the ends of the couch or on the chairs around it will get a weaker image; the blacks will look much brighter and the whites paler. We didn't see any evidence of other colors changing at wider angles, though, so that is something .

Reflectance (4.25)

We found that reflections on the display front were annoying; if you had a light at the right angle to reflect, you would clearly see the lamp in the screen, and a haze around it. This was particularly annoying on darker screens, where the halo effect was much more visible/

Video Processing (2.0)

The VO370M includes a number of features that are designed to improve the aulity of images on the screen or to enhance low quality signals. We looked at each of these below.

Setting Claimed Function Our Impression
Noise Reduction 'diminishes picture artifacts caused by the digitizing of image motion'  Reduces noise on some particularly grainy image 
Color Enhancement works by 'reducing oversaturation of certain colors and improving flesh tones'  Options for Off, Normal, Rich Color, Green/Flesh and Green/Blue. When selected, pushes specified colors.  
Advanced Adaptive Luma 'Large areas of brightness in the picture will result in a higher Average Picture Level (APL). This feature will lower the APL to counteract this effect'  Options for Off, Low, Medium, Strong and Extend. Pushes shadow detail into black on all settings, especially the Extend option.  
Backlight Control 'DCR (Dynamic contrast ratio) improves the black level performance and increases contrast ratio'  Options for Off, DCR or OCP (Optimum Power Control). Dims the backlight on very dark scenes (such as credits) to create a deeper black. For normal use, this feature made no difference.

As usual with features of this type, none of the features were of any real use. The DCR feature seems to exist purely to allow Vizio to put a bigger contrast ratio number on the box.

Compare the Vizio VO370M to other HDTVs
LG 37LH30
37 inches
Samsung LN32B360
32 inches
JVC LT-42P300
42 inches

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VIZIO VO370M
Television Review

Previous: Page 4

Motion

Previous: Page 6

Calibration