Runco CL-420 Spécifications télécharger pdf (Page 53)

Operation

Runco CL-410 and CL-420 Owner’s Operating Manual 43

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 CL-410/CL-420 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

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Runco CL-420 Spécifications Page 53