BenQ CP120C Auto-adjusting the image, Fine-tuning the image size and clarity, Correcting keystone

Auto-adjusting the image

In some cases, you may need to optimize the picture quality.

To do this, press the AUTO button. 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 at the bottom right of the screen for 3 seconds.

The screen will be blank while Auto is functioning.

Fine-tuning the image size and clarity

1.	Adjust the projected image to the size	2.	Then sharpen the image by rotating the
	that you need using the zoom ring.		focus ring.

Refer to the screen size tables in "Obtaining a preferred projected image size" on page 12.

Correcting keystone

Keystoning refers to the situation where the projected image is noticeably wider at either the top or bottom. It occurs when the projector is not perpendicular to the screen.

Manual keystone correction

To correct keystoning manually, you can perform the following steps.

1. Adjust the projection angle of the

projector.

2. Press the AUTO button.

3. If the image is still distorted, you will need

to manually correct it following ONE of

these steps.

• Press the Keystone /3Left or

Keystone /4Right buttons on the

control panel of the projector to display the status bar labelled Keystone. Press the

24 Using the projector