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Making CRT easier to read?
FWIW XP Home.
Is there anything I can get to anlarge the text and increase the contrast on the computer CRT? I have to set closer than I like with my tri-focals. I've looked at computer glasses on Amazon but they don't say anything about enlarging the image. I tried the display icon in Control Panel and set the text to largest. The monitor is a Microtek 815c. I can't figure out how to use the display adjustments. Had to DL a User's Manual. Will look at it later. I suspect adjustments won't help much if at all. Any suggestions? Only thing I can think of is a larger screen. I'm hoping for a magical pair of glasses. TIA -- I love a good meal! That's why I don't cook. |
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Making CRT easier to read?
KenK wrote:
FWIW XP Home. Is there anything I can get to anlarge the text and increase the contrast on the computer CRT? I have to set closer than I like with my tri-focals. I've looked at computer glasses on Amazon but they don't say anything about enlarging the image. I tried the display icon in Control Panel and set the text to largest. The monitor is a Microtek 815c. I can't figure out how to use the display adjustments. Had to DL a User's Manual. Will look at it later. I suspect adjustments won't help much if at all. Any suggestions? Only thing I can think of is a larger screen. I'm hoping for a magical pair of glasses. TIA AFAIK, computer glasses, like reading glasses, are meant to correct your vision for reading the screen at a certain distance due to presbyopia, and not simply act as magnifying glasses. But you can adjust some text size settings in the Display settings (right mouse click on the desktop, and it brings up Display Properties, Appearance Tab). |
#3
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Making CRT easier to read?
Ken,
I'm hoping for a magical pair of glasses. You rang master ? :-) Have you already taken a look at what "magnify.exe" in "C:\windows\system32" can do for you ? It won't exactly do what you asked for (alter the whole screen), but it could be helpfull. .... which made remember something else: The "Accessibility Options" in the "Control panel" ("Start" - "Settings" - "Control Panel"). Go to the tab "Display" and press the "Settings" button. From there you can select contrast and character size combinations from the dropdown list. Hope that helps. Regards, Rudy Wieser |
#4
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Making CRT easier to read?
KenK wrote:
XP Home. Is there anything I can get to anlarge the text and increase the contrast on the computer CRT? I have to set closer than I like with my tri-focals. I've looked at computer glasses on Amazon but they don't say anything about enlarging the image. I tried the display icon in Control Panel and set the text to largest. The monitor is a Microtek 815c. I can't figure out how to use the display adjustments. Had to DL a User's Manual. Will look at it later. I suspect adjustments won't help much if at all. Any suggestions? Only thing I can think of is a larger screen. I'm hoping for a magical pair of glasses. TIA Going to a higher resolution monitor does not change the number of pixels the characters will use on the monitor. You need to up the number of pixels used per character height and width. To do that, change the DPI (dots per inch) to a higher setting. With more pixels (dots) per inch, more are used to display the same size character. Since the pixels are fixed in the monitor, the result is to make the characters larger and easier to read. The default DPI is 96 (100%) based on old CRT technology. I changed mine to 120 (125%) to make character a bit larger to read. Presumably you already tested changes in the font smoothing (aka ClearType). That actually blends (blurs) the pixels to interpolate the curvature of the characters. While this will make the characters look more solid, it will also make them more fuzzy. You might want to turn off ClearType and suffer the less smooth blending and get sharper characters that look a bit jaggy. I don't remember how the ClearType wizard worked back in Windows XP. In Windows 7, and after enabling it, you are walked through a series of screens asking you which example looks better to you. This is like when going to the optometrist who asks if #1 or #2 looks better as they flip around the lenses. |
#5
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Making CRT easier to read?
KenK wrote:
Microtek 815c. Also, that monitor is probably around 16 years old. I saw a user in a forum note in 2014 that he had this monitor for 11 years, so 5 years later that monitor is now 16 years old. CRTs go out of focus which cannot be adjusted out. They also lose brightness, and upping the brightness results in loss of focus or contrast. Could be you've been upping the brightness to compensate for a corroded cathode ray gun (the heater). There is a trick of overheating the filament to burn off the corrosion but it is hazardous: at the higher temperature and current, the emitter could burn out and the monitor goes dead (no electrons anymore to illuminate the phosphor on the inside of the screen). Shops used to do that trick but had the customer sign a waiver acknowledging the attempt could result in a completely dead CRT monitor. I did it once accidentally when I reattached the multi-pin connector on the back of the tube's neck resulting in the wrong voltage on the heater, overheating it, realized what I did when the screen became very bright, removed and repositioned the connector (you'd think they'd be polarized), and the monitor was bright and I even had to turn down the brightness. Gee, I fixed it. Luckily that was back in tech school and any CRTs sent there for repair were waivered because they had students working on them. With such an old monitor, and with almost no shops working on them anymore, try lowering the brightness to reduce the bloom of the characters. That could result in an overly dim monitor that would have sharper but dimmer characters, so just as hard to read as before. You can't get around CRTs getting old and losing brightness and focus. Time to start budgeting for a new monitor. If it's an LCD/LED, make sure you set the screen resolution in Windows the same as the monitor's native resolution. You get fuzziness if you set the Windows resolution different due to interpolation between pixels. |
#6
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Making CRT easier to read?
Check out Windows' accessiblity. Make things larger in their settings.
KenK wrote: FWIW XP Home. Is there anything I can get to anlarge the text and increase the contrast on the computer CRT? I have to set closer than I like with my tri-focals. I've looked at computer glasses on Amazon but they don't say anything about enlarging the image. I tried the display icon in Control Panel and set the text to largest. The monitor is a Microtek 815c. I can't figure out how to use the display adjustments. Had to DL a User's Manual. Will look at it later. I suspect adjustments won't help much if at all. Any suggestions? Only thing I can think of is a larger screen. I'm hoping for a magical pair of glasses. TIA -- Quote of the Week: Allah's Apostle said, "Once while a prophet amongst the prophets was taking a rest underneath a tree, an ant bit him. He, therefore, ordered that his luggage be taken away from underneath that tree and then ordered that the dwelling place of the ants should be set on fire. Allah sent him a revelation: 'Wouldn't it have been sufficient to burn a single ant (that bit you)?'" --Translation of Sahih Bukhari, Book 54, Number 536 Note: A fixed width font (Courier, Monospace, etc.) is required to see this signature correctly. /\___/\ Ant(Dude) @ http://aqfl.net & http://antfarm.home.dhs.org / / /\ /\ \ http://antfarm.ma.cx. Please nuke ANT if replying by e-mail. | |o o| | \ _ / ( ) |
#7
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Making CRT easier to read?
VanguardLH wrote:
KenK wrote: Microtek 815c. Also, that monitor is probably around 16 years old. I saw a user in a forum note in 2014 that he had this monitor for 11 years, so 5 years later that monitor is now 16 years old. CRTs go out of focus which cannot be adjusted out. They also lose brightness, and upping the brightness results in loss of focus or contrast. Could be you've been upping the brightness to compensate for a corroded cathode ray gun (the heater). There is a trick of overheating the filament to burn off the corrosion but it is hazardous: at the higher temperature and current, the emitter could burn out and the monitor goes dead (no electrons anymore to illuminate the phosphor on the inside of the screen). Shops used to do that trick but had the customer sign a waiver acknowledging the attempt could result in a completely dead CRT monitor. I did it once accidentally when I reattached the multi-pin connector on the back of the tube's neck resulting in the wrong voltage on the heater, overheating it, realized what I did when the screen became very bright, removed and repositioned the connector (you'd think they'd be polarized), and the monitor was bright and I even had to turn down the brightness. Gee, I fixed it. Luckily that was back in tech school and any CRTs sent there for repair were waivered because they had students working on them. With such an old monitor, and with almost no shops working on them anymore, try lowering the brightness to reduce the bloom of the characters. That could result in an overly dim monitor that would have sharper but dimmer characters, so just as hard to read as before. You can't get around CRTs getting old and losing brightness and focus. Time to start budgeting for a new monitor. If it's an LCD/LED, make sure you set the screen resolution in Windows the same as the monitor's native resolution. You get fuzziness if you set the Windows resolution different due to interpolation between pixels. It's an LCD with VGA input. 1280x1024. Probably TN (twisted nematic) https://www.superwarehouse.com/Micro...90325/p/431703 Before buying any other LCD, you'd want to review the connectors on the video card faceplate, to see what is available. If you wanted some mythical display device with "paper like" res, you'd want HDMI or DisplayPort as those support larger resolutions. My WinXP machine has neither HDMI nor DisplayPort. My upper limit (maybe), might be 2560x1600, but more likely guaranteed to hit 1920x1080. I'd look for an IPS or VA panel, rather than a TN, because the TN needs to be tilted a bit for best color. The TN doesn't have the "viewing angle independence" that IPS has. As an example of an extreme, this is 3840 x 2160 at 23.8" . It's a Dell so you could see if it was still on the Dell site. https://www.newegg.com/Product/Produ...9SIABT15UE8994 1 x mini-DisplayPort 1 x DisplayPort (in), 1 x DisplayPort (out) 1 x HDMI So that doesn't have VGA, and I would expect would cause a problem for the OP. Still, it's an example of how many pixels they can put into a desktop-sized panel. SmartPhones manage higher DPI ratings, but are of course, too small to use. And on WinXP, there probably isn't the HiDPI support for a thing like that, and there's probably a limit on the "percentage setting" to make a monitor like that, readable. On my WinXP machine, my video card can be coerced into driving HDMI, but it's no-where near good enough to make 3840x2160. Only my newest box can drive a super monitor like that. https://i.postimg.cc/D0R9DTcz/percen...play-winxp.gif So while it's fun to dream about large pixel counts, there are barriers to entry for an established system owner. And choosing a lesser monitor solution, might not give enough improvement. You could select a 1280x1024 which was 72 inches wide, but then you'd have to sit six feet back from it :-) The spectrum of solutions is quite large, and likely, mostly useless. Paul |
#8
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Making CRT easier to read?
On 27 Mar 2019 17:43:58 GMT, KenK wrote:
FWIW XP Home. Is there anything I can get to anlarge the text and increase the contrast on the computer CRT? I have to set closer than I like with my tri-focals. I've looked at computer glasses on Amazon but they don't say anything about enlarging the image. I tried the display icon in Control Panel and set the text to largest. The monitor is a Microtek 815c. I can't figure out how to use the display adjustments. Had to DL a User's Manual. Will look at it later. I suspect adjustments won't help much if at all. Any suggestions? Only thing I can think of is a larger screen. I'm hoping for a magical pair of glasses. TIA Hold down control and hit the + key on the numerical pad or keyboard and it boosts the HTML (web pages) a bit each time you do it. |
#9
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Making CRT easier to read?
In message , Paul
writes: VanguardLH wrote: KenK wrote: Microtek 815c. Also, that monitor is probably around 16 years old. I saw a user in a forum note in 2014 that he had this monitor for 11 years, so 5 years I too thought it was/is a CRT, not least because Ken refers to it as such, in text and subject line. later that monitor is now 16 years old. CRTs go out of focus which cannot be adjusted out. They also lose brightness, and upping the There _may_ be a focus trimmer inside. I wouldn't recommend someone not at least somewhat familiar with such equipment - especially with failing eyesight! - taking the back off, well, anything, but in particular CRT-based equipment. (Not only high voltages inside, but perhaps more danger of damaging the equipment.) [] to start budgeting for a new monitor. If it's an LCD/LED, make sure you set the screen resolution in Windows the same as the monitor's native resolution. You get fuzziness if you set the Windows resolution different due to interpolation between pixels. I'd agree with that advice (setting resolution to the monitor's native one). It's an LCD with VGA input. 1280x1024. Probably TN (twisted nematic) https://www.superwarehouse.com/Micro...Monitor/1104-0 3-990325/p/431703 Sounds as if Microtek might have used the same number - or base number - for both a CRT (as VLH has found) and an LCD (Paul) monitor. Before buying any other LCD, you'd want to review the connectors on the video card faceplate, to see what is available. If you wanted some mythical display device Something to match what outputs your video card (or computer if a laptop) has; for an XP-generation machine, I'd be (very) surprised if it hasn't got VGA (15 pin positions in 3 rows in a D-shaped connector, often dark blue); it might have I've forgotten what it's called (DVI?), but usually white, three rows of contacts on a rectangular grid with a plus-shaped connector at one end; I'd be rather surprised if it has HDMI. If a desktop machine, you _could_ get a graphics card with better outputs, but finding one for which XP drivers are available is going to be difficult. [] But we need to determine what the problem is; I got the impression that it is the eyesight that is the problem, in which case higher resolution won't help - Ken was asking about _enlarging_ the text. If it is a CRT monitor, then switching to a _lower_ resolution will make things bigger - I think XP will work down to 640 × 480 - but you'll obviously see less at once of everything; this is manageable for things of your own design (text, such as documents, email, and news), but especially with modern web pages, would become pretty tiring for the amount of scrolling around the page you will have to do. (Many web page designers design their pages assuming a screen size - and browser window set to full screen - that cause a problem to _most_ people, let alone those with deteriorating vision; plus, they design them so that autowrap, which is intrinsic to HTML, doesn't work.) So bigger text and still able to see as much of whatever that you can see now means - bigger screen, no two ways about it. You _might_ find a bigger CRT monitor - if you can, they might even pay you to take it away! - but that's not going to be _that_ much bigger, and it is also going to be bulky. Failing that, a flat monitor: they _have_ plummeted in price over the last decade or two. What _might_ be worth looking for is a large, but old, one - with a _not_ huge intrinsic resolution. (For example, I have a 20" on my old desktop machine, but it is only 1024, or possibly 15xx, pixels - i. e. it just has large pixels!) I'm not sure where you'd look for such, though - and also conveying what you want (to search engines and the like) might be difficult. Also, early flat monitors might have a backlight that has dimmed somewhat - you'd definitely want to see them working before you buy. If you have to buy a "new" one, make sure it is compatible with your machine's outputs, see above. (I think for your purposes, unless you are forced to get a _very_ big one, VGA will be fine.) Ideally get one with the _lowest_ intrinsic resolution you can: end-of-line, or old but unused stock; this should actually be cheaper, as most people want more resolution! Other than that, look into magnifying softwares. These let you see a part of the screen enlarged: their disadvantage is of course that (a) it's only a part of the screen, (b) the window it shows in obscures some portion of the rest of the screen. _Most_ allow you to vary the amount of magnification, the window size, and the window position. Some track the mouse pointer - making it in effect a sort of magnifying glass. There _is_ one provided with XP, I think. There are also several freeware ones, and commercial ones varying from expensive to exorbitant; I have seen them when taking my blind friends round exhibitions of aids for the blind. (My friends are totally blind, but such exhibitions cater for those of varying degrees of impairment.) The companies _tend_ to be small companies, as it's a limited market, hence the high prices (it's not their fault). [Most equipment with a Braille keyboard costs significantly more than an ordinary laptop; my friend's notetaker - a device of similar capability to a smartphone - cost him about 5000, I think.] Another disadvantage is thus that they haven't the ability to support their products very well, which means their support for XP versions is likely to be near-nonexistent (though there _may_ be user groups). It may be time to move on from XP ... )-: Also _may_ be worth looking into high-contrast settings in XP (and setting your browser to use your chosen colours overriding any the web page designer has chosen, and/or use a browser add-on that lets you switch to other settings - I have one that cycles round between yellow on black, white on black, original). Depending on how serious your impairment is, it might well be worth contacting your local blind (or visually-impaired or visually-handicapped, depending on local attitudes to political correctness in what they are called - most actual VI/VH people in my experience are not bothered by such concerns!) association or whatever, to see if they can show you anything. Or, I don't know - maybe the disability department of your local university/college/education authority/employment authority _may_ be able to point you at something, though probably not if you're not in their catchment population. But no harm in asking. -- J. P. Gilliver. UMRA: 1960/1985 MB++G()AL-IS-Ch++(p)Ar@T+H+Sh0!:`)DNAf "Mary Poppins is a junkie" - bumper sticker on Julie Andrews' car in the '60s |
#10
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Making CRT easier to read?
VanguardLH wrote in :
KenK wrote: Microtek 815c. Also, that monitor is probably around 16 years old. I saw a user in a forum note in 2014 that he had this monitor for 11 years, so 5 years later that monitor is now 16 years old. CRTs go out of focus which cannot be adjusted out. They also lose brightness, and upping the brightness results in loss of focus or contrast. Could be you've been upping the brightness to compensate for a corroded cathode ray gun (the heater). There is a trick of overheating the filament to burn off the corrosion but it is hazardous: at the higher temperature and current, the emitter could burn out and the monitor goes dead (no electrons anymore to illuminate the phosphor on the inside of the screen). Shops used to do that trick but had the customer sign a waiver acknowledging the attempt could result in a completely dead CRT monitor. I did it once accidentally when I reattached the multi-pin connector on the back of the tube's neck resulting in the wrong voltage on the heater, overheating it, realized what I did when the screen became very bright, removed and repositioned the connector (you'd think they'd be polarized), and the monitor was bright and I even had to turn down the brightness. Gee, I fixed it. Luckily that was back in tech school and any CRTs sent there for repair were waivered because they had students working on them. With such an old monitor, and with almost no shops working on them anymore, try lowering the brightness to reduce the bloom of the characters. That could result in an overly dim monitor that would have sharper but dimmer characters, so just as hard to read as before. You can't get around CRTs getting old and losing brightness and focus. Time to start budgeting for a new monitor. If it's an LCD/LED, make sure you set the screen resolution in Windows the same as the monitor's native resolution. You get fuzziness if you set the Windows resolution different due to interpolation between pixels. My 815c is an LED, not CRT. -- I love a good meal! That's why I don't cook. |
#11
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Making CRT easier to read?
Paul wrote:
VanguardLH wrote: KenK wrote: Microtek 815c. snipped my reply which was about old CRT monitors It's an LCD with VGA input. 1280x1024. Probably TN (twisted nematic) Ken K, the OP, said "Making CRT easier to read". I figured a user that is physically sitting in front of the actual monitor would know if it was a CRT or LCD. Not this time. |
#12
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Making CRT easier to read?
KenK wrote:
VanguardLH wrote in : KenK wrote: Microtek 815c. Also, that monitor is probably around 16 years old. I saw a user in a forum note in 2014 that he had this monitor for 11 years, so 5 years later that monitor is now 16 years old. CRTs go out of focus which cannot be adjusted out. They also lose brightness, and upping the brightness results in loss of focus or contrast. Could be you've been upping the brightness to compensate for a corroded cathode ray gun (the heater). There is a trick of overheating the filament to burn off the corrosion but it is hazardous: at the higher temperature and current, the emitter could burn out and the monitor goes dead (no electrons anymore to illuminate the phosphor on the inside of the screen). Shops used to do that trick but had the customer sign a waiver acknowledging the attempt could result in a completely dead CRT monitor. I did it once accidentally when I reattached the multi-pin connector on the back of the tube's neck resulting in the wrong voltage on the heater, overheating it, realized what I did when the screen became very bright, removed and repositioned the connector (you'd think they'd be polarized), and the monitor was bright and I even had to turn down the brightness. Gee, I fixed it. Luckily that was back in tech school and any CRTs sent there for repair were waivered because they had students working on them. With such an old monitor, and with almost no shops working on them anymore, try lowering the brightness to reduce the bloom of the characters. That could result in an overly dim monitor that would have sharper but dimmer characters, so just as hard to read as before. You can't get around CRTs getting old and losing brightness and focus. Time to start budgeting for a new monitor. If it's an LCD/LED, make sure you set the screen resolution in Windows the same as the monitor's native resolution. You get fuzziness if you set the Windows resolution different due to interpolation between pixels. My 815c is an LED, not CRT. At that age, it could be a Liquid Crystal Display (LCD) using Twisted Nematic (TN) technology. The backlights that drive white light in transmission mode through the TN layer is provided by CCFL (cold cathode fluorescent lamps). CCFL lamps last around 25000 hours, and the light becomes "brownish" as they age. Some of the electrode material inside the lamp, may become plated onto the interior glass of the lamp. Many LCD monitors don't make it to 25000 hours, because the high voltage inverters (more than one present on the larger monitors), those fail and can no longer give the 700V to 1000VAC the lamps need. Each lamp uses about 3W of electricity, at startup the tube voltage is 1000V (no filament, cold start), and when the light starts pouring out and the gas inside is conducting, the voltage drops to around 700V. When the inverter packs in, many people discard the monitor without repairing it. And the manufacturers aid and abet this practice, by making it impossible to order "exact replacement" components for maintenance of the LCD panel and setup. Even if you have a spirit of adventure and order replacement parts off the Internet, the repair may not be entirely satisfactory. Modern panels have switched to LED lighting solutions of various sorts, so the HV inverters are gone. But that transition likely happened after you got your Microtek. I have an old-timer LCD panel here, the one I'm typing on, and it's 1280x1024, and as far as I know, it has CCFL too. The light from it, might be a tiny bit brownish now, but still quite usable. I expect my eyeballs to wear out, before the monitor does :-) ******* You can check for video card info, by using Device Manager. But a more fun way, is the portable EXE from here. GPU-Z. https://www.techspot.com/downloads/4452-gpu-z.html In this summary photo here, you can see all sorts of info about the WinXP machine. It has 8GB of RAM and a 7900GT video card. GPU-Z utility is the one on the upper left. 4GB of my RAM is used by a RAM disk, 512MB of address space is wasted by the 7900GT, and 3.2GB of RAM is "available" for programs. Drivers in Ring0 can bypass the memory license, and I suspect Microsoft lawyers had a chat with the RAMDisk maker and the PAE feature was removed from the code on later releases. A newer version of the RAMDisk code, could not do this. https://i.postimg.cc/XvRFJWC9/memory-Win-XP-machine.gif Paul |
#13
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Making CRT easier to read?
KenK wrote:
My 815c is an LED, not CRT. See the Subject for your thread. There's what you said and what you meant to say. From what I looked up (instead of assuming), yep, it's an LCD. Besides the forum post where a user back in 2014 said they had this monitor for 11 years (which would now be 16 years ago), I found another user extolling his brand new purchase of this monitor and his post was dated back to 2003. 16 years seems too old to be an LED computer monitor. All the specs say this monitor is LCD, not LED. Even an online copy of the manual never mentions LED, just LCD. LEDs are LCDs. The only difference is the method of backlighting: LCDs use CCFLs (cold-cathode fluorescent lamps) on the sides of a diffuser panel while LEDs use, well, LEDs either for edge lighting on the sides of the diffuser panel or a full array of LEDs behind the diffuser panel (the latter of which permits local dimming to improve contrast). The Microtek 815c's pixel size is 0.28 mm for an 18" monitor. For ailing eyesight, you'll want a higher resolution (and bigger) monitor with smaller pixel size or increased pixel density, and then up the DPI setting in Windows. The larger monitor at higher resolution will make the text characters smaller in size, so you compensate by upping the DPI (so text uses more pixels). I didn't bother to check further into your old monitor. If it has an option for local dimming or adaptive brightness (which requires full-array LED backlighting instead of edge LED backlighting), try turning that off. I had it on an LED TV monitor and it sucked as the picture was too often dimmed, slow to toggle modes when the scene changed, or if would keep toggling from dim to bright. The technology might work but the implementation sucked in my LED monitor. However, it is likely an LCD monitor, not an LED monitor which could have full-array backlighting to support local dimming. Local dimming is to make blacks look blacker but only works when watching in a dark room. See https://www.rtings.com/tv/tests/pict.../local-dimming. Sounded light something I wanted but found there was too much lag, like when someone stepped out of dark room into the sunlight outside and the dimming took almost a second to turn off, so I'd see the change. Even LCD monitors can have a blooming effect (aka clouding aka screen uniformity). The backlighting may not be even across the entire diffuser panel. Since you *do* have an LCD monitor (not a CRT as stated in your Subject), make sure you set the Windows screen resolution to match the native resolution of the LCD monitor. Native resolution per specs for that monitor is 1280 x 1024 at 75 Hz. If you use a screen resolution higher or lower, interpolation gets used in painting the screen objects. If you are using a higher screen resolution in Windows, going to native resolution of the monitor means the screen will get smaller, and also the text characters. Set Windows to use the same resolution for its screen as the native resolution of the LCD monitor, and then use DPI to up the size of the text. You can do the same if you go to a larger monitor with higher resolution. The higher resolution will actually make text get smaller (at the same DPI, the text will still use the same number of pixels or dots), so to increase the text size you would up the DPI setting in Windows. |
#14
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Making CRT easier to read?
KenK wrote:
... Only thing I can think of is a larger screen. I'm hoping for a magical pair of glasses. If you go with eyewear, don't bother with reading glasses which are just magnifiers. If something looks fuzzy to your eyes, it will still be fuzzy with magnifier eyeglasses but just bigger. You need to get prescription reading glasses. Check how far you sit from your computer monitor and give that information to the optomitrist as they will use that in determining the focal length for the eyeglasses. When sitting upright at my desk, I'm 19" away from the monitor. When I told the optometrist why I needed the eyeglasses, he wanted to know at what distance to best calibrate. I'm just getting where my near sight is a bit fuzzy. Most times I don't need the prescription reading eyeglasses because the objects are large or moving, like when playing video games or watching videos. However, I'll notice when reading text that the eyeglasses really help. I don't end up squinting which gives me headaches. I always get the suggestion to get bifocals. No way! Those result in me tilting back my head to use the bottom of the eyeglasses for near work, and that gives me a neck ache (which leads to a headache). I'd rather have the prescription reading eyeglasses sitting at my computer monitor to use when I need them. While writing this reply, I don't need them because my NNTP client is configured to show text a bit bigger plus I've upped the DPI setting in Windows; however, when I put them on, the text for this reply is clearer, so if I were to be in reading mode a lot then the eyeglasses help ease the reading. |
#15
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Making CRT easier to read?
In message , Paul
writes: KenK wrote: [] My 815c is an LED, not CRT. LCD, I think you mean. Probably with CCFL (tube) backlighting. IMO, there are NO displays that are LED, apart from OLEDs; they're _all_ LCD, just with varying backlights. (Excluding plasmas.) I never thought we should have let the (initially TV) industry get away with calling their displays "LED", when it was only the backlight that had changed, not the display panel. However, they _have_ got away with it, so we're stuck with it. Anyway, you've got a flat-panel display, which means pixels of a fixed size. [] Many LCD monitors don't make it to 25000 hours, because the high voltage inverters (more than one present on the larger monitors), those fail and can no longer give the 700V to 1000VAC the lamps need. Each lamp (Is it always AC?) [] Modern panels have switched to LED lighting solutions of various sorts, so the HV inverters are gone. But that transition likely happened after you got your Microtek. I have an old-timer LCD panel here, the one I'm typing on, and it's 1280x1024, and as far as I know, it has CCFL too. The light from it, might be a tiny bit brownish now, but still quite usable. I expect my eyeballs to wear out, before the monitor does :-) My Windows 98 laptop probably is the same. It's a bit yellower, but to be honest I only notice when it's alongside a more modern machine. My big old 20" LCD (4:3, not hi-res!) is rather dim. -- J. P. Gilliver. UMRA: 1960/1985 MB++G()AL-IS-Ch++(p)Ar@T+H+Sh0!:`)DNAf /Downton Abbey/ presented a version of the past that appealed to anyone who had ever bought a National Trust tea towel. - Alison Graham, RT 2015/11/7-13 |
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