Benq SP840 Manuale Utente
Operation
30
English
Adjusting the projected image
Adjusting the projection angle
Remove the Back Foot Holder on the rear adjuster foot before adjusting the projection angle.
The projector is equipped with 1 quick-release adjuster foot and 1 rear adjuster foot. These
adjusters change the image height and projection angle. To adjust the projector:
1.
adjusters change the image height and projection angle. To adjust the projector:
1.
Press the quick-release button and lift the front
of the projector. Once the image is positioned
where you want it, release the quick-release
button to lock the foot in position.
of the projector. Once the image is positioned
where you want it, release the quick-release
button to lock the foot in position.
2.
Rotate the rear adjuster foot to fine tune the
horizontal angle.
horizontal angle.
To retract the foot, hold up the projector while
pressing the quick-release button, then slowly
lower the projector. Screw the 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
pressing the quick-release button, then slowly
lower the projector. Screw the 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
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.
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.
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. 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.
picture quality. To do this, press AUTO on
the projector. 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.
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 COMPUTER 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.
Z O O M
FOCUS
Z O O M
FOCUS