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PowerLite 822p/83c Projector
3/08 PowerLite 822p/83c Projector - 3
Positioning the Projector
Follow these guidelines to get the best results when projecting:
❏ Place the projector on a sturdy, level surface, between
3 and 30 feet from the screen.
❏ Make sure there is plenty of space for ventilation around
and under the projector. Do not set the projector on top of
loose papers that could block the vent under the projector.
❏ Make sure the projector is within 6 feet (2 meters) of a
grounded electrical outlet or extension cord.
❏ Face the projector squarely toward the screen.
The projector supports 4 viewing setups, as shown below. If it is
installed in a rear or overhead position, you need to select the
correct projection option from the Extended menu after you
turn it on.
If the projector is tilted in the front or the back, you may need
to adjust the image shape. See page 7.
Mode
Refresh Rate
(Hz) Resolution
VGA EGA 70 640 × 350
VGA—60
VESA—72
VESA—75
VESA—85
VGA—120
60
72
75
85
120
640 × 480
640 × 480
640 × 480
640 × 480
640 × 480
SVGA—56
SVGA—60
SVGA—72
SVGA—75
SVGA—85
SVGA—120
56
60
72
75
85
120
800 × 600
800 × 600
800 × 600
800 × 600
800 × 600
800 × 600
XGA—60
XGA—70
XGA—75
XGA—85
XGA—120
60
70
75
85
120
1024 × 768
1024 × 768
1024 × 768
1024 × 768
1024 × 768
SXGA1—70
SXGA1—75
SXGA1—85
SXGA1—100
70
75
85
120
1152 × 864
1152 × 864
1152 × 864
1024 × 768
SXGA2—60
SXGA2—75
SXGA2—85
60
75
85
1280 × 960
1280 × 960
1280 × 960
SXGA3—60
SXGA3—75
SXGA3—85
60
75
85
1280 × 1024
1280 × 1024
1280 × 1024
SXGA+—60
SXGA+—75
SXGA+—85
60
75
85
1400 × 1024
1400 × 1024
1400 × 1024
UXGA—60 60 1600 ×
1200
iMAC VGA
iMAC SVGA
iMAC XGA
MAC13
MAC16
MAC19—60
MAC19
MAC21
117
95
75
67
75
59
75
75
640 × 480
800 × 600
1024 × 768
640 × 480
832 × 624
1024 × 768
1024 × 768
1152 × 870
SDTV 480i
SDTV (576i)
SDTV (480p)
SDTV (576p)
60
50
60
50
720 × 480
720 × 576
720 × 480
720 × 576
HDTV (720p)
HDTV (1080i)
50/60
50/60
1280 × 720
1920 × 1080
Table
Convenient for temporary front
projection. Choose Front from the
menu.
Front/Ceiling
Professional installation
recommended. Choose
Front/Ceiling from the menu.
Rear
For projecting behind a translucent
screen. Choose Rear from the menu.
Rear/Ceiling
Professional installation behind a
translucent screen recommended.
Choose Rear/Ceiling from the menu.