What do Fh and Fv mean in monitor specs?

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SUMMARY

The discussion clarifies the meanings of Fh (horizontal frequency) and Fv (vertical frequency) in monitor specifications, specifically for the ViewSonic E771 model, which has Fh values ranging from 30-70 kHz and Fv values from 50-120 Hz. Users confirmed that setting the refresh rate to 120 Hz is feasible if the video card supports it, with flat-panel monitors typically capable of higher refresh rates compared to CRTs. The conversation also highlights that flickering is less of an issue with LCD monitors, as they do not rely on phosphors, and most LCDs operate at a maximum of 60 Hz.

PREREQUISITES
  • Understanding of monitor specifications, including refresh rates.
  • Familiarity with horizontal and vertical frequency concepts.
  • Basic knowledge of LCD and CRT monitor technologies.
  • Experience with Windows Control Panel settings for display adjustments.
NEXT STEPS
  • Research the specifications and capabilities of various LCD monitor models.
  • Learn about the differences between CRT and LCD technologies regarding refresh rates.
  • Explore how to adjust monitor refresh rates in Windows settings.
  • Investigate the impact of refresh rates on gaming and video performance.
USEFUL FOR

This discussion is beneficial for computer users, particularly gamers and graphic designers, who need to understand monitor specifications and optimize display settings for performance.

600burger
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I have a viewsonic E771 and was wondering what the max refresh rate on in would be. I looked up the specs and it says

Fh:30-70kHz, Fv:50-120Hz

My question is what does Fh and Fv mean?

-Burg
 
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h: horizontal
v: vertical
 
Answered my own question:

Horizontal frequency and Vertical frequency.

But does this mean i can set the refresh to 120Hz and everything will be cool?

Edit: Sorry, i researched a little, posted it and went to look some more while people got back to me and i answered myself in the mean time. :blushing:
 
Yeah - it should be fine - if anything goess wrong just press F8 while loading for windows then go to Safe Mode.
 
120Hertz would be fantastic: as long as your video card can handle it.
The human eye usually starts noticing flickering around 60 hertz but higher is usually better. Sometimes you can still see the flickering in the corner of your eye at higher levels. If your monitor is a flat-panel it should go to 120 hertz. If it's a CRT monitor the max will probably be around 80-100. Go to Control Panel - device manager- and monitor properties to change it.
 
Refresh rate as a non-issue in regards to LCD monitors

delton said:
The human eye usually starts noticing flickering around 60 hertz but higher is usually better... If your monitor is a flat-panel it should go to 120 hertz.
  • I have not read of any LCD monitors that can refresh faster than 60Hz.

  • Flicker is not an issue with LCD monitors since LCD monitors do not use phosphors.
 
hitssquad said:
I have not read of any LCD monitors that can refresh faster than 60Hz.

Me too never seen a TFT / LCD at that refresh rate, perhaps the top of the range ones may do but they are typically in the 70-80 refresh rate
 

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