{ "numMessagesInTopic": 36, "nextInTime": 2464, "senderId": "yUzUoRS_cw9GRVZmp1ZKeIF_YZBMe84z3bHZ0fek_GE85Vww6aND9U6Cplg5eoOT9nLv0_pTD4OL8hPDyluhA3NjQmONkYwA3f6esPJJJw", "systemMessage": false, "subject": "Re: T221 fan noise revisited", "from": ""fluppeteer" <yahoo@...>", "authorName": "fluppeteer", "msgSnippet": "... I ve got a couple of the UK equivalents. Useful bits of kit. (Don t measure a tumble-drier - the condenser outlet was clogged with fluff on mine, meaning", "msgId": 2463, "profile": "fluppeteer", "topicId": 2352, "spamInfo": { "reason": "6", "isSpam": false }, "replyTo": "LIST", "userId": 192443393, "messageBody": "
>I've got a couple of the UK equivalents. Useful bits of kit.
\n> Hi,
\n>
\n> Thanks for the Kill-A-Watt suggestion. I think I'll buy one...they are
\n> inexpensive enough! $23.98 on Amazon.
\n
\n
> So did you use the EyeOne to determine the cdm of your monitor atFor mine, at least, you set the brightness you want when
\n> certain brightness levels? I was wondering how you figured that out as
\n> I don't see it in the specs.
\n
\n
> Thanks again for posting that brightness 1 only uses 40 watts. ItStill got plans for the RV, or just saving the planet this
\n> helped me quite a bit for my decision on the next computer setup.
\n
\n
> MD
\n>
\n>
\n>
\n>
\n>
\n> --- In IBM_T2X_LCD@yahoogroups.com, "sosantoso" <sabrina123abc@> wrote:
\n> >
\n> > I need to correct myself, I am at +9 brightness to get to close to
\n> > 120cdm.
\n> >
\n> > --- In IBM_T2X_LCD@yahoogroups.com, "sosantoso" <sabrina123abc@>
\n> > wrote:
\n> > >
\n> > > I use a color calibrator, GretagMcbeth EyeOne. If you don't need to
\n> > > calibrate colors, it's pointless to have one. As for power, if it's
\n> > > measuring off the ac outlet, there is Kill A Watt (google it). But
\n> > if
\n> > > it's off the pins for the fans, then I have no idea.
\n> > >
\n> > > --- In IBM_T2X_LCD@yahoogroups.com, "educationk12" <educationk12@>
\n> > > wrote:
\n> > > >
\n> > > > I don't understand a lot of things I do, too. ;o) 20 is rather
\n> > > bright
\n> > > > now that I think of it. My plasma TV goes from 1 to 100 where 1 is
\n> > > > black and 50 is where the screen isn't distorted. Comparing that
\n> > to
\n> > > > the T221, it's nice that you can lower the resolution to very 1/6
\n> > > and
\n> > > > still view the screen with minimal effects. I've been turning
\n> > them
\n> > > up
\n> > > > to 20 during the day and down to single digit numbers at night,
\n> > > > however I think I could stick with single digit brightness. I
\n> > really
\n> > > > hadn't given brightness much thought prior to the heat issues I
\n> > was
\n> > > > having.
\n> > > >
\n> > > > How did you determine your cdm at 6 brightness?
\n> > > >
\n> > > > Also, what power meter did you use or recommend for determining
\n> > > power
\n> > > > consumptions of computing devices?
\n> > > >
\n> > > > MD
\n> > > >
\n> > > > --- In IBM_T2X_LCD@yahoogroups.com, "sosantoso" <sabrina123abc@>
\n> > > wrote:
\n> > > > >
\n> > > > > I set mine on +6 brightness. I don't understand why you're at
\n> > > full,
\n> > > > > as that is awefully bright. I measured it once at +20, don't
\n> > > remember
\n> > > > > the figures, but it was over 200cdm. At +6, I am around 120cdm,
\n> > > which
\n> > > > > is ideal.
\n> > > > >
\n> > > > > --- In IBM_T2X_LCD@yahoogroups.com, "educationk12"
\n> > > <educationk12@>
\n> > > > > wrote:
\n> > > > > >
\n> > > > > > Yes, without any doubt there is considerable less heat when
\n> > the
\n> > > > > > brightness is lowered. I find brightness 1 to be difficult to
\n> > > read
\n> > > > > at
\n> > > > > > times and well I have kept them at 20 most of the time. But
\n> > > less
\n> > > > > heat
\n> > > > > > and watts has motivated me to lower the brightness, however I
\n> > > am not
\n> > > > > > sure if it affects the fan noise any...the fan is probably
\n> > > on/off
\n> > > > > > rather than variable rpm speeds.
\n> > > > > >
\n> > > > > > What kind of power meter did you buy? I've always wanted to
\n> > get
\n> > > one
\n> > > > > > but I am not sure what kind to start googling.
\n> > > > > >
\n> > > > > > 40 watts at brightness 1 seems too low considering the fans
\n> > are
\n> > > > > > 24volts x 0.7 amps = 16.8 watts each and there are two of
\n> > them
\n> > > so
\n> > > > > > maybe these fans are variable and run faster when needed?
\n> > > Because
\n> > > > > two
\n> > > > > > of them would be nearly 34 watts for the monitor. I'm sure
\n> > > someone
\n> > > > > > here can explain where I have faulty logic.
\n> > > > > >
\n> > > > > > The jump from 40 watts on level 1 to 70 watts on level 6 is
\n> > > quite a
\n> > > > > > bit more watts per brightness level than the 70 watts on
\n> > level
\n> > > 6 to
\n> > > > > > 110 watts on level 20. I wonder why?
\n> > > > > >
\n> > > > > > Flup runs his DG5 at level 1 so that the backlight lasts
\n> > longer
\n> > > and
\n> > > > > > maintains its brightness, which seems like a good idea,
\n> > > combined
\n> > > > > with
\n> > > > > > less heat, and possibly less noise. I don't have anything to
\n> > > run my
\n> > > > > > monitors at the moment so I can't test the noise thing, which
\n> > is
\n> > > > > > probably why I am back on the forum talking about them
\n> > because
\n> > > I
\n> > > > > miss
\n> > > > > > them that much. ;( (tear, sniff, sniff) lol
\n> > > > > >
\n> > > > > > Anyway, I find that information you provided interesting...I
\n> > > hate it
\n> > > > > > when they just give you maximum power consumption (which I
\n> > > thought
\n> > > > > was
\n> > > > > > closer to 135 watts) and standby power consumption as if that
\n> > > is it.
\n> > > > > > Although I imagine most people could care less with monitors
\n> > as
\n> > > they
\n> > > > > > do with graphic cards...but the CPU is suppose to be lower
\n> > > power yet
\n> > > > > > faster. I guess I should be thankful I only had a 750 watt
\n> > PSU
\n> > > for
\n> > > > > the
\n> > > > > > desktop. ;o)
\n> > > > > >
\n> > > > > > Ah, I only have one monitor under warranty and I am not
\n> > opening
\n> > > it
\n> > > > > up!
\n> > > > > > Actually, I'm not even using it, which should save the
\n> > > backlight. :)
\n> > > > > >
\n> > > > > > Question...could lowering the backlight lower than full
\n> > > brightness
\n> > > > > > have any negative effects on the monitor? I'm not sure what is
\n> > > > > > involved...obviously there is less power going to the bulbs
\n> > in
\n> > > the
\n> > > > > > backlight, but if I recall correctly sometimes it is better
\n> > to
\n> > > be at
\n> > > > > > maximum...but I don't really have any solid recollections of
\n> > why
\n> > > > > > either which makes me think maybe there isn't anything wrong
\n> > > with
\n> > > > > > running it at a lower brightness level to extend the life of
\n> > > the
\n> > > > > monitor.
\n> > > > > >
\n> > > > > > MD
\n> > > > > >
\n> > > > > > --- In IBM_T2X_LCD@yahoogroups.com, "jcuphall44" <jc-yahoo@>
\n> > > wrote:
\n> > > > > > >
\n> > > > > > > You might get less heat off the T221s if you run them at a
\n> > > lower
\n> > > > > > > brightness. I stuck a power meter on one when I got it
\n> > (DG5)
\n> > > and
\n> > > > > > > found that the power draw varied from ~40W at brightness 1,
\n> > > > > through
\n> > > > > > > 70W at brightness 6 (where I normally run), to ~110W at
\n> > max.
\n> > > VA
\n> > > > > > > figures were ~ +20VA on the W figures. Off and 'orange
\n> > light'
\n> > > > > both
\n> > > > > > > consumed ~3W / 15VA. Frankly those figures seem none too
\n> > bad
\n> > > > > > > compared to the advertised power figures for current LCD
\n> > > monitors
\n> > > > > of
\n> > > > > > > a similar size.
\n> > > > > > >
\n> > > > > > > Personally I'm confused about what exactly VA represents,
\n> > but
\n> > > I
\n> > > > > > > believe that the W figure represents the amount of heat you
\n> > > are
\n> > > > > > > dumping into the room.
\n> > > > > > >
\n> > > > > > > And yes I find the fan noise irritating too but I'd rather
\n> > > keep
\n> > > > > the
\n> > > > > > > warranty...
\n> > > > > > >
\n> > > > > > > JC
\n> > > > > > >
\n> > > > > > > --- In IBM_T2X_LCD@yahoogroups.com, "educationk12"
\n> > > > > <educationk12@>
\n> > > > > > > wrote:
\n> > > > > > > >
\n> > > > > > > > Ah, I dislike the fan noise too...especially when you
\n> > have
\n> > > a
\n> > > > > lot of
\n> > > > > > > > them on combined with a noisy desktop. I just got rid of
\n> > my
\n> > > > > Dell XPS
\n> > > > > > > > 700 desktop today. These T221/VP2290b monitors really
\n> > heat
\n> > > up a
\n> > > > > room
\n> > > > > > > > when you have enough of them running and it is seems
\n> > > > > unnecessarily
\n> > > > > > > > noisy. The noise the desktop made along with the heat it
\n> > > > > produced in
\n> > > > > > > > combination of the monitors makes a great sauna feel with
\n> > a
\n> > > > > steam
\n> > > > > > > room
\n> > > > > > > > sound and that was during the Winter!
\n> > > > > > >
\n> > > > > >
\n> > > > >
\n> > > >
\n> > >
\n> >
\n>