Panasonic PT-40LC12 Operating Instructions Manual page 58

I Cleaning the Air Filter
The Air Filter should be cleaned about every 400 hours.
I
1
2
When the accumulated operating time reaches 400 hours, the
screen on the right will be displayed for 5 minutes. When this
happens, please follow the instructions and clean the air filter.
This is very important!
Turn the POWER button to OFF.
Wait until the cooling fan stops and the POWER indicator
turns solid red.
Remove the right Speaker cover.
Place your fingertips under the Speaker cover and pull it
from the Projection display.
Clean the Filter.
Gently remove any accumulated dust from Air Filter unit
with your vacuum cleaner.
CAUTION:
Please be very careful not to
damage or rip the filter material.
Operating Projection display with
torn or damaged Filter may
cause damage to Projection
display.
Cleaner
5
Replace the Speaker cover.
• Operating this unit without the air filter installed will
result in dust or dirt being drawn into the LCD
projection display assembly. Visibly, the picture will be
degraded.
If the dust cannot be removed by cleaning, it is time to
replace the air filter.
This screen appears when Projection display is
turned on. If cleaning is done, select YES.
Press to select
NO or YES.
Press to set.
CAUTION: Please do not operate without the air
filter. Serious damage will occur.
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