Panasonic PT-LM1U - Manual (Page 6)

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Preparation
10-E NGLISH
Notes on use
In order to get the best picture quality
Draw curtains or blinds over any windows and turn off any
fluorescent lights near the screen to prevent outside light or
light from indoor lamps from shining onto the screen.
Do not touch the surfaces of the lens with your bare
hands.
If the surface of the lens becomes dirty from fingerprints or
anything else, this will be magnified and projected onto the
screen. Moreover, when not using the projector, retract the
lens and then cover it with the lens cover.
Screen
Do not apply any volatile substances which may cause
discoloration to the screen, and do not let it become dirty or
damaged.
Lamp
The lamp may need to be replaced earlier due to variables
such as individual lamp characteristics, usage conditions and
the installation environment, especially when the projector is
subjected to continuous use for more than 10 hours or the
power is frequently turned on and off.
Liquid crystal panel
The liquid crystal panel of the projector is built with very high
precision technology to provide fine picture details.
Occasionally, a few non-active pixels may appear on the
screen as fixed points of blue, green or red.
Please note that this does not affect the performance of your
LCD.
Cautions regarding setting-up
Avoid setting up in places which are subject to vibration
or shocks.
The internal parts can be damaged, which may cause
malfunctions or accidents.
Do not set up the projector near high-voltage power lines
or near motors.
The projector may be subject to electromagnetic interference.
If installing the projector to the ceiling, ask a qualified
technician to carry out all installation work.
You will need to purchase the separate installation kit (Model
No.ET-PKM1). Furthermore, all installation work should only
be carried out by a qualified technician.
If using this projector at high elevations (above 1 400 m),
set the “FAN CONTROL” to “HIGH”. (Refer to page 43.)
Failure to observe this may result in malfunctions.
Before use
Caution when moving the projector
Be sure to attach the lens cover before moving the projector.
The projection lens is extremely susceptible to vibration and
shocks. When moving the projector, use the accessory softcase.
When placing the projector inside the softcase, position it so that
the lens is facing upward.
Attach the lens cover so that the direction of the “Panasonic”
logo becomes as shown in the figure above.