LCD vs CRT for dot probe task

[David McFarlane]

Also see the post at https://support.pstnet.com/forum/Topic6087-2-1.aspx .

-- David McFarlane


At 6/26/2012 12:20 PM Tuesday, Peter Quain wrote:

>If you have access to a CRT monitor you may as 
>well use it. You can be pretty sure then that 
>you will have no hard to find timing issues from the monitor.
>
>At 03:07 PM 26/06/2012, you wrote:
>>Hi, I've been researching the whole LCD vs CRT debate and I still am
>>confused.  I am putting together a simple dot probe task that will be
>>looking at very small response time differences so I am concerned with
>>getting it right.  I have two monitors to choose from:  A brand
>>spankin' new Dell P2210 LCD or an old (2002) Gateway EV700 CRT.  I'd
>>like any advice on which you'd recommend.  I will be using the most
>>recent version of Eprime running on a new Dell computer with windows
>>7. Here are the relevant specs:
>>
>>**************Dell P2210 Specs*********************
>>Display Type:  LCD monitor / TFT active matrix
>>Diagonal Size: 22"
>>Viewable Size: 22"
>>Panel Type: TN
>>Aspect Ratio: Widescreen - 16:10
>>Native Resolution: 1680 x 1050 at 60 Hz
>>Pixel Pitch: 0.282 mm
>>Brightness: 250 cd/m2
>>Contrast Ratio: 1000:1
>>Response Time: 5 ms
>>Horizontal Viewing Angle: 170
>>Vertical Viewing Angle: 160
>>Features: 83% color gamut, HDCP
>>
>>*************Gateway EV700 (EV700AA on back) Specs***************
>>Gateway EV700 17-Inch SVGA Color Monitor
>>  17-inch diagonal with 15.9 inches viewable area
>>22.5 mm neck CRT
>>0.28 mm dot pitch
>>90° deflection
>>Resolution: 1,280 dots maximum horizontal
>>1,024 lines maximum vertical
>>Scanning Frequency:
>>Horizontal: 31 to 69 kHz
>>Vertical: 50 to 160 Hz
>>NOTE: I also found on gateways site the same model listed with
>>slightly different frequencies:
>>Scanning frequency:
>>Horizontal, 30 - 70 KHz (automatic)
>>Vertical, 50 - 120 Hz (automatic)
>>Also a link to some sort of timing table:
>>https://support.gateway.com/s/MONITOR/7003421/700342103.shtml
>>
>>I'd really appreciate any advice on which I should choose (or if it
>>even matters?), thanks.

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