Changing The Polarity - Sony VPH-G90E Installation Manual

Modifying Parts

Changing the Polarity

How to change the polarity
20
(GB) Installation
The polarity of the projector is adjusted at the factory to use the projector
for front projection on the floor.
When the projector is installed on the ceiling or used in rear projection, it
is necessary to change the settings of the polarity switches.
1
Turn off the power of the projector.
2
Open the control panel cover, loosen the screw, and open the cover of
the polarity switches.
3
Change the position of the polarity switches (V and H switches), if
necessary.
Upper
4
Close the cover of the polarity switches, tighten the screw and close
the control cover.
Note
If the cover of the polarity switches does not shut firmly, the power of the
projector is not turned on in order to protect the CRTs.
Push the control panel cover and
slide it to open.
Loosen
H switch
V switch
Left
Lower
Open
Right