Adjusting The Projected Image - BenQ LH820ST User Manual

Adjusting the projected image

Adjusting the projection angle
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. Y ou can screw the adjuster feet to
fine-tune the horizontal angle.
To retract the feet, screw the adjuster feet in a
reverse direction.
Do not look into the lens while the light source is on. The strong light from the light source may cause damage to
your eyes.
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.
This function is only available when PC signal (analog RGB ) is selected.
Fine-tuning the image clarity
16 Positioning your projector
Sharpen the image by rotating the focus ring.