Changing The Polarity - Sony VPH-G70Q Installation Manual

Changing the Polarity

How to change the polarity
The polarity of the projector is adjusted 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 switch and the polarity
connectors.
1
Turn off the power of the projector.
2
Open the upper cover.
For details, see "Opening the upper cover" on page 17 (EN).
3
Press to open the connector cover.
4
Check the polarity switch position and the connecting position of the
polarity connectors.
For the installation methods of the projector and the settings of the switch and
the connectors, see the diagram on the next page.
Connecting position of
the polarity connectors
Lower
(Factory-preset)
Upper
5
Change the switch position and/or the connecting position of the
connectors, if necessary.
Polarity switch: Set to the upper or lower position.
Polarity connectors: Disconnect the three connectors, then turn them
over (180°) and reinsert into the upper or lower receptacles.
6
Make sure to insert the connectors correctly and to set the switch to the
correct position, then restore the connector cover and the upper cover.
Note
If the connector cover does not shut firmly, the power of the projector is not turned
on.
Connector cover
Polarity switch position
Lower
(Factory-
preset)
Installation
Upper
19
(EN)