If the projector is not placed on a flat surface or the screen and the projector are not perpendicular to each other, the projected image becomes trapezoidal. To correct this situation, see "Correcting keystone" on page 28 for details.

Do not look into the lens while the lamp is on. The strong light from the lamp may cause damage to your eyes.

Be careful when you press the adjuster button as it is close to the exhaust vent where hot air comes from.

Auto-adjusting the image

In some cases, you may need to optimize the picture quality. To do this, press AUTO on the projector or remote control. Within 3 seconds, the built-in Intelligent Auto Adjustment function will re-adjust the values of Frequency and Clock to provide the best picture quality.

The current source information will be displayed in the upper left corner of the screen for 3 seconds.

• The screen will be blank while AUTO is functioning.

This function is only available when a PC signal (analog RGB) is selected.

Fine-tuning the image size and clarity

1.Adjust the projected image to the size that you need using the zoom ring.

2.Then sharpen the image by rotating the focus ring.

Operation 27

Page 27
Image 27
BenQ cp270 user manual Auto-adjusting the image, Fine-tuning the image size and clarity