Sony VPL-VW790ES Quick Reference Manual page 5

Beam divergence angle from lens of this unit
Zoom maximum: α = 42.5°
Zoom minimum: α = 21.3°
Laser emission port
Do not place any object just in front of the lens that may
block the light during projection. Heat from the light may
damage the object. Use the picture muting function to cut
off the picture.
About 3D Glasses
The 3D Glasses communicate with the projector via
Bluetooth technology to display 3D signals.
(a) frequency band(s) in which the radio equipment
operates:
2.4 - 2.4835 GHz
(b) maximum radio-frequency power transmitted in the
frequency band(s) in which the radio equipment operates:
4.30 dBm (E.I.R.P.)
5
GB
WARNING