Vidikron Vision 12 - Manual (Page 55)

Operation
Vidikron Vision Model 10/Model 12 Owner’s Operating Manual 45
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Keystone Correction: If the projector and screen are not installed perpendicular to each
other, the image may become distorted in a trapezoidal shape, as shown in Figure 4-10.
Select Keystone from the Installation menu to compensate for this.
Figure 4-10. Horizonal and Vertical Keystone Correction
Fan High Speed Mode: If the projector is being used in a high-altitude environment, use Fan
High Speed Mode to prevent it from overheating. Set Fan High Speed Mode to ON to run the
fan at high speed; set it to OFF to run the fan at normal speed.
1. The Vision 10/12 keystone correction can compensate for up to
approximately 15 degrees of screen and/or projector tilt.
2. Straight lines or the edges of images may appear jagged while
adjusting the image.
3. Keystone correction is not possible with a 1080i input signal.
Vertical Keystone Correction
Horizontal Keystone Correction
Projector Projected Image
Positive values compress top;
negative values compress bottom.
Positive values compress right side;
Negative values compress left side.
Note