Sony VPL-FHZ120L Guide De Référence Rapide page 40

glass cleaning cloth. Stubborn stains may be
removed with a soft cloth lightly dampened with
water. Never use solvent such as alcohol,
benzene or thinner, or acid, alkaline or abrasive
detergent, or a chemical cleaning cloth.
On cleaning the cabinet:

Clean the cabinet gently with a soft cloth.
Stubborn stains may be removed with a soft
cloth lightly dampened with mild detergent
solution and wrung, followed by wiping with a
soft dry cloth. Never use solvent such as alcohol,
benzene or thinner, or acid, alkaline or abrasive
detergent, or a chemical cleaning cloth.
On Illumination
To obtain the best picture, the front of the screen
should not be exposed to direct lighting or
sunlight.
On Heat Dissipation
The temperature of the projector cabinet may
increase during or immediately after use;
however, this is not a malfunction.
On Screen
When using a screen with an uneven surface,
stripes pattern may rarely appear on the screen
depending on the distance between the screen
and the unit or the zooming magnifications. This is
not a malfunction of the unit.
On Fan
Since the projector is equipped with a fan inside to
prevent internal temperature from rising, there
may be some noise. This is a normal result of the
manufacturing process and does not indicate a
malfunction. If, however, in a case of abnormal
noise, consult with qualified Sony personnel.
About sounds occurring from using the auto
cleaning function
When the auto dust-cleaning function is enabled,
some tapping sounds occur. They arise from the
structure of the projector and are not
malfunctions.
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Precautions
About Lens Replacement
Do not attach any lens other than the specified
accessory lens sold separately.
On inspection of light source related parts
Since the unit uses a laser, when performing
maintenance or inspection of light source related
parts, particular attention and a safe environment
are necessary. Be sure to consult with qualified
Sony personnel.
LCD Projector
The LCD projector is manufactured using high-
precision technology. You may, however, see tiny
black points and/or bright points (red, blue, or
green) that continuously appear on the LCD
projector. This is a normal result of the
manufacturing process and does not indicate a
malfunction.
Also, when you use multiple LCD projectors to
project onto a screen, even if they are of the same
model, the color reproduction among projectors
may vary, since color balance may be set
differently from one projector to the next.
On condensation
If the room temperature where the projector is
installed changes rapidly, or if the projector is
moved suddenly from a cold to a warm place,
condensation in the projector may occur. As the
condensation may cause malfunction, be careful
in adjusting temperature settings of the air
conditioner. If condensation occurs, leave the
projector turned on for about two hours before
use.
Notes on security
 SONY WILL NOT BE LIABLE FOR DAMAGES OF
ANY KIND RESULTING FROM A FAILURE TO
IMPLEMENT PROPER SECURITY MEASURES ON
TRANSMISSION DEVICES, UNAVOIDABLE DATA
LEAKS RESULTING FROM TRANSMISSION
SPECIFICATIONS, OR SECURITY PROBLEMS OF
ANY KIND.
 Depending on the operating environment,
unauthorized third parties on the network may