NEC PH1201QL, User Manual

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page 21
Model No. NP-PH1201QL
Installation and Quick-Start Guide
CLEANING AND REPLACING THE FILTERS
Cleaning And Replacing The Filters
General notes
Air filters are attached over the air inlet of the projector to prevent dust. The air filters should be cleaned periodically in order to maintain
projector performance. The air filters should also be replaced with new filters after roughly 10,000 hours.
To view the usage time of the air filters, on the LCD display, go to
Information > Usage
.
When ordering replacement air filters, specify the part number (NP-11AF01).
When replacing air filters, replace the air filter in the front panel of the projector (1 piece) and the air filters in the rear panel (2 pieces) at the
same time. If you do not replace the air filters at the same time, the usage time cannot be calculated correctly.
Cleaning the air filters
Please remember to clean the air filters when the filter usage time reaches 2000 hours.
When the air filter usage time reaches 2000 hours, the message
FilterCleaning Time is shown on the display.
Please be careful not to damage the air filters when cleaning them. If you find any damage, such as a hole on the surface of the air filter,
replace it with new one.
After cleaning the air filters, on the LCD display, select
Configuration > Reset > FilterCleaning
. The filter cleaning message will be turned
off.
Replacing the air filters
Please remember to replace the air filters when the filter usage time reaches 10,000 hours.
When the air filter usage time reaches 10,000 hours, the message
Filter Time Over appears on the display.
After replacing the air filters, on the LCD display, select
Configuration > Reset > Filter Usage
to reset the air filter usage time.
Notes
Before changing the filters,
always make sure the projector
is switched off and fully
disconnected from its power
supply.
When changing the filters, avoid
using excessive force as this may
damage the equipment.
The air filters should be cleaned
every 2000 hours and replaced
after approximately 10,000 hours to
maintain projector performance.
It may be required to clean the
air filters more frequently than
stated above, depending on the
circumstances. In order to maintain
steady performance from the
projector, frequent cleaning is
strongly recommended.
It may also be required to replace
the air filters more frequently than
stated above, depending on the
circumstances.