Adjusting The Focus And Keystone - promethean PRM-35 Owner's Manual

Adjusting the Focus and Keystone

1.
Use the Image-focus
control (on the projector
only) to adjust the pro-
jected image.
2.
Use the KEYSTONE
buttons the remote control
to correct image-trapezoid
(wider top or bottom)
effect.
3.
The keystone control
appears on the display.
Promethean, Company Confidential 13