Sony MOTHERBOARD A8V-VM SE - Manual (Page 5)

5
Correct posture for viewing
3D images
Always wear the supplied 3D glasses while
viewing 3D images.
Adjust the angle of the LCD screen so that your
eyes are perpendicular to your computer
screen and keep a distance  of  feet (60 cm)
or more from the screen.
View 3D images using the 3D glasses, facing
squarely towards the computer screen.
90°

If you lie on your side or tilt your head while viewing
3D images, the 3D effect may be less pronounced or
the color of the images may change.
3D sync transmitter
communication range
The 3D glasses operate by communicating
with the 3D sync transmitter  on your
computer. The approximate communication
range of the transmitter is illustrated below:
The range (angle and distance) varies
depending on ambient environment and the
location where you use the computer.

Overhead view
50° 50°
Side view
30°
30°
Do not use any infrared communication device near
the 3D sync transmitter on the computer, as it may
prevent the 3D glasses from receiving the 3D
transmitter signal.
Notes on Viewing 3D Images