Before Use; Correct Viewing; Remote Control - Vivitek DVR5612 User Manual

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Before Use

Correct viewing

Distance
The most appropriate viewing
distance varies between 5~7 times
the height of the screen.
Viewing Angle and Height
Suitable viewing angle and height
will avoid fatigue.
Volume
As a courtesy to others, be sure
to keep the volume down
(especially in the evening).
Brightness of your viewing location
Direct sunshine onto the screen,
too bright or dark a room lighting, dark surrounding or reflected light may
cause fatigue to your eyes.Be sure to keep out direct sunshine from the screen while maintaining soft lighting
in the room. Reading light is recommended.
Prolonged Viewing
This device uses DLPTM technology that will not flash or emit radiation. However, we would suggest you to
take rest after viewing it for some time.

Remote Control

The effective range of the IR sensor of the remote control is given as follows. Be sure to keep the IR sensor
clear and avoid placing the sensor in bright light which might cause detriment to the receiving sensitivity.

Remarks on the battery of the remote controller
The service life of the battery is about  year (depending on your
use). When the operation range of the remote controller shortens
or its sensitivity lowers, be sure to replace both batteries inside the
remote control.
Note: Make sure to avoid replacing a new battery with an old one.
This may cause eventually damage the remote control.
When you will not use the remote control for a long period of time,
be sure to remove the batteries that could possibly leak. In the
event of leakage, be sure to wipe off the liquid on the inside of the
compartment before loading new batteries.