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Hitachi CM810 21 inch CRT Monitor Review
Hitachi CM810 21 inch CRT Monitor Review - PCSTATS
Abstract: At 21" the CM810 is one of the largest monitors sizes currently available in the display market.
 84% Rating:   
Filed under: Monitors Published:  Author: 
External Mfg. Website: Hitachi Jul 03 2001   Max Page  
Home > Reviews > Monitors > Hitachi CM810

Review Notes: Quality of the Hitachi display

Geometry: The display has good geometry, the only imperfections we can see are a slight curvature on the top right hand side of the display. Otherwise all lines in the grid are nice and perpendicular.

Brightness / Contrast: Again, contrast is good. The monitor displays 1%-9% black very well, and 20%-100% white in even gradations.

High Voltage: Excellent stability of both the horizontal and vertical trace lines.

Colours: All colours were displayed with excellent brightness and vibrance. We were pleasantly surprised by how well colour was represented by this display.

Convergence: The convergence was excellent in the corners of the display, as it is in the central region. There was no separation of colour from any of the test grids that we could see.

Focus: Focus is very good, there was some slight distortion shown in the closely spaced vertical parallel lines located on the outer edges of the display. This is partially expected from a large CRT display and not too significant to the user.

Resolution: Again, there is a slight distortion on vertical closely spaced lines in each of the corners. The horizontal lines maintain excellent separation and definition throughout the entire display.

Moire: The CM810 demonstrated excellent characteristics when tested at 1600x1200 resolution, but for almost all other lower resolutions a halo or blooming effect was visible on the display.

Readability: As with just about every CRT display the readability at the center of the display is perfect, while the readability at the very corners is very good, but not as sharp.

Jitter: None visible at all.

The Hitachi CM810 supports a fairly conservative range of lower resolutions and a nice wide birth of larger settings. The full list of manufacture supported resolutions and frequencies are listed below:

Display Resolutions:
Resolution Freq Hor. Freq Ver. Standard
640x480 31.5kHz 70Hz VGA
800x600 53.7kHz 85Hz SVGA
832x624 49.7kHz 75Hz MAC
1024x768 68.7kHz 85Hz XGA
1152x870 68.9kHz 75Hz MAC
1280x1024 91.1kHz 85Hz XGA
1600x1200 106.25kHz 85Hz XGA
1600x1200 112.0kHz 90Hz XGA

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Contents of Article: Hitachi CM810
 Pg 1.  Hitachi CM810 21 inch CRT Monitor Review
 Pg 2.  Hitachi CM810 Specs & Display Evaluation
 Pg 3.  — Review Notes: Quality of the Hitachi display
 Pg 4.  A basic on screen display menu:
 Pg 5.  Conclusions about the CM810 display

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