On Aug 10, 2005, at 2:16 PM, James W. Greenidge wrote:
Greetings All:
Can anyone inform me of any PowerBook mail-lists or on-line user
groups
which could answer difficult questions like this:
Does anyone have true info in the hours lifetime of the PB 190's
screen
illumination lamp and does taking measures such knocking down the
brightness setting to bare minimum and hiking the contrast instead
increase
lamp life and lower the wear and tear?
There's no such thing as 'true hours'. Playing with the brightness
and contrast will not likely change the lifespan of the tube; it's
essentially just a fluorescent bulb...if they're on, the clock is
ticking.
in most cases it's reasonably easy to replace if it does burn out and
the bulbs themselves are pretty cheap.
--
Bruce Johnson
This is the sig that says 'NI!'
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