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7 Maintenance
Cleaning
DANGER!
Follow the following instructions when
cleaning the projector:
Use a soft, lint-free cloth. Never use
liquid or easily flammable cleansers
(sprays, abrasives, polishes, alcohol,
etc.). Do not allow any moisture to
reach the interior of the projector.
Do not spray the projector with any
cleaning fluids.
Wipe over the surfaces gently. Be
careful that you do not scratch the
surfaces.
Cleaning the lens
Use a soft brush or lens cleaning paper for
cleaning the lens of the projector.
DANGER!
Do not use any liquid cleaning agents!
Do not use any liquid cleaning
agents for cleaning the lens, to avoid
damaging the coating film on the lens.
Update software
The latest software for the projector can be
found on
www.philips.com/support
to get the best features and support from the
projector.
Before you update the software of the
projector, check the current software version:
•
Press
on the remote control and
then select Info .
Maintenance
Update software through USB
1
Check the latest software version on
philips.com/support. Find your product
(model number: NPX641), and locate
'Software and drivers'.
2
Download the software installation file to
a USB flash drive. Unzip the downloaded
file and save the resulting file in the root
directory of the USB flash drive.
3
Turn off the projector and then connect the
USB flash drive to the projector.
4
Turn on the projector and the software
update will start automatically. The LED on
the projector blinks during the update.
5
Wait about 15 seconds for the update to
complete. The projector will turn off by itself
after the update.
6
Disconnect the USB flash drive from the
projector.
for you
CAUTION!
Do not turn off the projector or remove
the USB flash drive during a software
update.
www.
15
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