About the automatic filter cleaning function, About the light sensor, About lens replacement – Sony E 30mm f/3.5 Macro Lens User Manual
Page 33: On inspection of light source related parts, On disposing used products, Lcd projector, On condensation, Notes on security
 
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This unit has an automatic filter cleaning function. 
You may hear a filter tapping sound multiple times 
when the power is turned on or off, but this is not 
a malfunction.
This unit has a function that uses the light sensor 
to detect the brightness of the surroundings to 
perform automatic image quality correction.
Do not block the light sensor when using 
automatic image quality correction based on the 
ambient brightness.
When the power is connected, do not attach or 
remove the projection lens.
Do not attach any lens other than the specified 
accessory lens sold separately.
Do not replace the lens while the projector is 
mounted on the ceiling.
Since the unit uses a laser, when adjusting or 
inspecting the light source related parts, particular 
attention and a safe environment are necessary. 
Be sure to consult with qualified Sony personnel.
Do not dispose the used products and general 
garbage together.
Correctly dispose of used products to avoid 
harming the environment or the health of yourself 
and others. Follow the disposal regulations of your 
area.
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.
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.
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 
be able to access the unit. When connecting the 
unit to the network, be sure to confirm that the 
network is protected securely.
About the Automatic Filter Cleaning 
Function
About the Light Sensor
About Lens Replacement
On inspection of light source related parts
On disposing used products
Light sensor
LCD Projector
On condensation
Notes on security