TH671ST BenQ Projector

User Manual - Page 16

For TH671ST.

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16 Positioning your projector
Auto-adjusting the image
In some cases, you may need to optimize the picture quality. To do this, press AUTO. 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 corner of the screen for 3 seconds.
Fine-tuning the image size and clarity
Correcting keystone
Keystoning refers to the situation where the projected image becomes a trapezoid due to angled
projection.
To correct this, you will need to manually correct it following these steps.
1. Do one of the following steps to display the keystone
correction page.
• Press / on the projector.
• Press on the remote control.
2. After the Keystone correction page displays. Press to correct keystoning at the top of the
image. Press to correct keystoning at the bottom of the image.
This function is only available when PC signal (analog RGB) is selected.
Adjust the projected image to the size that you
need using the zoom ring.
Sharpen the image by rotating the focus ring.
Press .
Press .
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