4:3, 16:9 and 16:10 screens are fully supported with proper aspect ratio control for both type sources using NEC developed scaling
technology. Menu selections have settings for each screen type and aspect ratio control for each source type.
Notes
For screen sizes not indicated on the projection tables, use the formulas below.
If the figures on the tables do not match the results of form
Distances are in inches, for
Distances may vary 5%.
millimeters multiply by 25.4.
Pg 1
Pg 2-4
Pg 5
Pg 6
Pg 7
Pg 8
Pg 9
Pg 10
Pg 11
Pg 12
ulas, use the figures in the table..
www.necdisplay.com PX700W/PX750U/PX800X Page 1 of 12
inch
inchesinch
inchesinch
NEC Display Solutions of America, Inc.
PX700W/PX750U/PX800X Installation Guide
Desktop and Ceiling MountRev 1.0
Formulas: 16:10 Aspect Ratio (PX700W—WXGA)
The Projection Formulas use the image width for calculation. Image width is the same for all aspect ratios, only vertical image siz
varies. For proper projector placement, determine the image width for a desired screen size.e Use the Screen Formulas below to
tion Formulas. calculate all screen dimensions. Plug in the image width for “W” in the Projec
Refer to the diagrams and charts for popular screen sizes on page 2 and 3:
Projection Formulas: Definitions: 16:10 Screen Formulas
NP16FL: C = 0.812W – 1.961 W = Image Width W = H x 16/10
NP17ZL: C(Wide) = 1.346W – 2.201 ------ C(Tele) = 1.917W – 2.008 H = Image Height (siz H = W x 10/16
NP18ZL: C(Wide) = 1.852W – 2.811 ------ C(Tele) = 2.428W – 2.772 C = Throw distance Screen Diagonal = W x 18.8
NP19ZL: C(Wide) = 2.372W – 3.307 ------ C(Tele) = 3.937W – 3.272 16:9 Screen Form
NP20ZL
: C(Wide) = 3.840W – 5.587 ------ C(Tele) = 5.771W – 5.567 W = H x 16/9
www.necdisplay.com PX700W/PX750U/PX800X Page 2 of 12
68/16
inch
inchesinch
inchesinch
inch
inchesinch
inchesinch
NEC Display Solutions of America, Inc.
PX700W/PX750U/PX800X Installation Guide
Desktop and Ceiling MountRev 1.0
Formulas: 16:10 Aspect Ratio (PX750U—WUXGA)
The Projection Formulas use the image width for calculation. Image width is the same for all aspect ratios, only vertical image size
varies. For proper projector placement, determine the image width for a desired screen size. Use the Screen Formulas below to
calculate all screen dimensions. Plug in the image width for “W” in the Projection Formulas.
Refer to the diagrams and charts for popular screen sizes on page 2 and 3:
Projection Formulas: Definitions: 16:10 Screen Formulas
NP16FL: C = 0.794W – 1.85 W = Image Width W = H x 16/10
NP17ZL: C(Wide) = 1.281W – 2.094 ------ C(Tele) = 1.825W – 1.913 H = Image Height (size) H = W x 10/16
NP18ZL: C(Wide) = 1.764W – 2.677 ------ C(Tele) = 2.313W – 2.638 C = Throw distance Screen Diagonal = W x 18.868/16
NP19ZL: C(Wide) = 2.261W – 3.150 ------ C(Tele) = 3.747W – 3.114 16:9 Screen Formulas
NP20ZL: C(Wide) = 3.654W – 5.319 ------ C(Tele) = 5.492W – 5.299 W = H x 16/9
NP21ZL: C(Wide) = 5.469W – 11.626 ------ C(Tele) = 8.527W – 11.531
www.necdisplay.com PX700W/PX750U/PX800X Page 3 of 12
Rear Lens
NP16FL
NP17ZLNP18ZLNP19ZLNP20ZL
1.29-1.79:11.73-2.27-1
es
Zoom Lenses
2.22-3.67:1
3.60-5.40:1
es
NP21ZL
5.30-8.30:1
es
inch
inchesinch
inchesinch
NEC Display Solutions of America, Inc.
PX700W/PX750U/PX800X Installation Guide
Desktop and Ceiling MountRev 1.0
Formulas: 4:10 Aspect Ratio (PX800X—XGA)
The Projection Formulas use the image width for calculation. Image width is the same for all aspect ratios, only vertical image size
varies. For proper projector placement, determine the image width for a desired screen size. Use the Screen Formulas below to
calculate all screen dimensions. Plug in the image width for “W” in the Projection Formulas.
Refer to the diagrams and charts for popular screen sizes on page 2 and 3:
Projection Formulas: Definitions: 4:3 Screen Formulas
NP16FL: C = 0.822W – 1.866 W = Image Width W = H x 4/3
NP17ZL: C(Wide) = 1.358W – 2.094 ------ C(Tele) = 1.934W – 1.913 H = Image Height (size) H = W x 3/4
NP18ZL: C(Wide) = 1.828W – 2.681 ------ C(Tele) = 2.397W – 2.642 C = Throw distance Screen Diagonal = W x 5/4
NP19ZL: C(Wide) = 2.343W – 3.154 ------ C(Tele) = 3.883W – 3.118
NP20ZL: C(Wide) = 3.789W – 5.323 ------ C(Tele) = 5.689W – 5.299
NP21ZL: C(Wide) = 5.664W – 11.638 ------ C(Tele) = 8.834W – 11.535