Adjusting the projected image, Adjusting the projection angle, Auto-adjusting the image – BenQ TH683 User Manual
Page 30: Fine-tuning the image size and clarity, Fine-tuning the image size
Operation
30
Adjusting the projected image
Adjusting the projection angle
The projector is equipped with 3 adjuster foot. These adjusters change the image height
and projection angle. To adjust the projector:
1.
Screw the front adjuster foot. Once the
image is positioned where you want it.
2.
Screw the rear adjuster foot to fine tune the
horizontal angle.
To retract the foot, screw the front and rear
adjuster foot in a reverse direction.
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 31
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 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 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.