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    • Finding a 72 LED lamp on sale cheap at ASDA (way cheaper than buying 72 white LEDs and complete with housing / reflector ) – smart
    • Modding the lamp to use external 6V power supply rather than constantly feeding it with AA batteries (a big bike light battery otherwise sitting around unused) – smart
    • Removing the 3 magnets from the back and using the for fridge magnets – smart (I still use miniDV video tapes so am careful about leaving magnets randomly around the place)
    • Checking the resistor values and measuring power consumption with a multimeter – smart.
    • Applying power to the lamp yesterday evening (after it had got dark) with all 72 LED’s facing me directly into my eyesFOOLISH! :crazy:

    Owch.

    The power light on my computor is just one blue LED but is so powerfull my friend stuck electrical tape over it so when we watch films he can actualy see the screen properly as the light blinds him!

    72 of them would probably fry his brain lol.

    Incidentaly he bought 2 LED monitors (some relatively new tech. stuff) he hates them as they are SO bright it’s unreal.

    @DaftFader 458791 wrote:

    Owch.

    The power light on my computor is just one blue LED but is so powerfull my friend stuck electrical tape over it so when we watch films he can actualy see the screen properly as the light blinds him!

    72 of them would probably fry his brain lol.

    Incidentaly he bought 2 LED monitors (some relatively new tech. stuff) he hates them as they are SO bright it’s unreal.

    I recently got two of these monitors (LG 22″ E2211) and the default settings are way bright – to the point I was misreading stuff on here. he will need to change them on the monitor menu and/or maybe his graphics card gamma settings. some drivers have different gamma/RGB settings for full screen video too.. The LED monitors contrast ratio is “different” than other ones with CFL backlight. its hard to explain but its not a bad thing, the conventional LCD monitor looks dull and washed out in comparison.

    Also if he downloads this it generates lots of useful test patterns for correctly lining up your monitor especially if you want to make or watch video/films or photos. For widescreen at 1080i/p best to use the pattern from the Funkbetriebskommission (German equivalent of Ofcom) as there is already a 16:9 version. The Germans take their AV stuff very seriously 😉

    FML Test Card Maker
    http://www.oodletuz.fsnet.co.uk/tcd/FuBK_wide.tcd

    I’ve got mine with brightness turned down to 36 and can still see every bit of the testpattern, all the high frequency gratings the lot – this is impressive in comparison to what I remember 10 years ago (even working in professional broadcast).

    @General Lighting 458794 wrote:

    I recently got two of these monitors (LG 22″ E2211) and the default settings are way bright – to the point I was misreading stuff on here. he will need to change them on the monitor menu and/or maybe his graphics card gamma settings. some drivers have different gamma/RGB settings for full screen video too.. The LED monitors contrast ratio is “different” than other ones with CFL backlight. its hard to explain but its not a bad thing, the conventional LCD monitor looks dull and washed out in comparison.

    Also if he downloads this it generates lots of useful test patterns for correctly lining up your monitor especially if you want to make or watch video/films or photos. For widescreen at 1080i/p best to use the pattern from the Funkbetriebskommission (German equivalent of Ofcom) as there is already a 16:9 version. The Germans take their AV stuff very seriously 😉

    FML Test Card Maker
    http://www.oodletuz.fsnet.co.uk/tcd/FuBK_wide.tcd

    I’ve got mine with brightness turned down to 36 and can still see every bit of the testpattern, all the high frequency gratings the lot – this is impressive in comparison to what I remember 10 years ago (even working in professional broadcast).

    Well he works on them monitors doing stuff like film editing and game design … so needs the colors to be perfect (he sais turning the gammer etc down messes up the acuracy of the color.

    I wish I could make stuff like that 🙁

    @DaftFader 458823 wrote:

    Well he works on them monitors doing stuff like film editing and game design … so needs the colors to be perfect (he sais turning the gammer etc down messes up the acuracy of the color.

    I can sort of understand what he means but surely the accuracy is going to vary depending on all sorts of factors including the colour temperature of the ambient light and the main thing would be to set them so they give the right balance against something like a SMTPE colour chart or whatever the people who are going to be watching his film want?

    I know in the analogue days there were strict rules about what colours could go onto TV as the PAL encoding overloaded on bright reds for instance, and there are also restrictions on what colour values can go through the digital telly as well but there is software to warn against these…

    At the moment my monitors are being fed from two different computers and the colour balance is very subtly different because of the graphics card drivers settings (although both are Intel mobile). I could line up both monitors to be exact but I really can’t be arsed TBH, there are more interesting things I could be doing instead… that said if I was in his situation I’d get whatever the current standard was from the EBU UER the SD one is tech note 3305 but I still haven’t gone HD yet for video..

    in the early 90s the Germans always used to send either that pattern or the Phillips PM5544 down satellite telly channels before the telly, along with the very distinctive audio
    “3 level test signal – Deutsche Bundespost. üüüüüüüü üüüüüüüü üüüüüüüü
    “Signal d’éssai á trois niveaux – Deutsche Bundespost. üüüüüüüü üüüüüüüü üüüüüüüü
    “Dreipegels-Testsignal – – Deutsche Bundespost. üüüüüüüü üüüüüüüü üüüüüüüü

    (the ü being at -12, 0 and +9 dBm0s)

    they don’t do things by halves there… (of course today the Deutsche Bundespost is long gone, its now T-Systems and the broadcast bit got sold off to someone else but EBU/UER still use this signal) 😉

    I’m not too shit hot on my digital gfx but I’m sure he has his reasons why he doesn’t wanna change the gamma. I did sugest it to him as soon as he turned the things on for the first time as we were like “Woah they’re welll bright” lol

    I can see why you only do this as a last resort as I tend to only locall change gamma settings / level if I’ve got something like a really dark video or photo (taken without lamp or flash) and want to get more out of it.. I take it he’s already turned down the brightness settings on the monitor menu? on some monitors there is also a “eco friendly” setting what reduces the LED power (I found it on mine by accident).

    @General Lighting 458849 wrote:

    I can see why you only do this as a last resort as I tend to only locall change gamma settings / level if I’ve got something like a really dark video or photo (taken without lamp or flash) and want to get more out of it.. I take it he’s already turned down the brightness settings on the monitor menu? on some monitors there is also a “eco friendly” setting what reduces the LED power (I found it on mine by accident).

    I’ll have to let him know about that … I’m not sure if he’s the manual reading type (at least he never used to be but probably does now days … alltho a monitor is something you expect to know how to use with out having to read about it. ta

    @DaftFader 458856 wrote:

    I’ll have to let him know about that … I’m not sure if he’s the manual reading type (at least he never used to be but probably does now days … alltho a monitor is something you expect to know how to use with out having to read about it. ta

    on all monitors I’ve seen in the last 10 years you just press the buttons on the front until a menu appears – its usually fairly straightforward unless you set the OSD into a language you do not understand (the OSD on mine will even display in Hindi!) – even then there are usually fairly self explanatory icons on the display.

    @General Lighting 458862 wrote:

    on all monitors I’ve seen in the last 10 years you just press the buttons on the front until a menu appears – its usually fairly straightforward unless you set the OSD into a language you do not understand (the OSD on mine will even display in Hindi!) – even then there are usually fairly self explanatory icons on the display.

    ueah mine has that too, i’ve never needed to change a setting tho so havn’t bothered looking at the menu. He’s probably had a flick through his ones tho. I’ll still mention it to him just encase.

    NERDS!!!!!!!!!!!!!!!!!!!!!!

    !

    😉

    Proper nerds are way too smart to half blind themselves in the manner I did yesterday… this was a Jackass level of stupidity.. even Germans would have found this particularly funny (in fact more so as its the sort of sketchy thing that the English are known for)

    I might change the language on his monitors to hindi for a laugh. :laugh_at:

    I could see the comedy value but in todays multicultural world didn’t want to suggest any particular language, not because of being PC but he may have understood fluent Hindi for all I know 😉

    as for nerds/geeks/techies/boffins I am chimpanzee in comparison to the ones round here (where there is the British Telecom research centre). TBH if I went to Colchester Zoo and gave a chimp a similar torch, even he wouldnt’ dazzle his own eyes with it in such a manner.

    I go drinking with a old boy what invented techniques used for all the the broadband here, taught the Chinese to put fibre optic cables on old style telegraph poles (he retired before Openreach even started here, whilst China Telecom have provisioned 100MB/s broadband to the rural villages all the way to the Pakistan border..). also a couple where the bloke is doing the comms for the Olympics (all the links for the domestic and foreign telly as well so this is serious stuff) and his missus is a maths graduate from Cambridge with 1st class honours (but also a complete new age hippy type). Actually I bet when I tell him about the LED lamp he will have a good laugh and he is part German :laugh_at:

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