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: 16:9 Screen Formulas
NP16FL-4K: C = 0.794W – 1.85W = Image Width W = H x 16/9
NP17ZL-4K: C(Wide) = 1.269W – 2.091 ------ C(Tele) = 1.802W – 1.910 H = Image Height (size) H = W x 9/16
NP18ZL-4K: C(Wide) = 1.748W – 2.673 ------ C(Tele) = 2.290W – 2.633 C = Throw distance Screen Diagonal = W x 18.358/16
NP19ZL-4K: C(Wide) = 2.241W – 3.150 ------ C(Tele) = 3.713W – 3.114
NP20ZL-4K: C(Wide) = 3.618W – 5.319 ------ C(Tele) = 5.434W – 5.299
NP21ZL-4K: C(Wide) = 5.412W – 11.622 ---- C(Tele) = 8.438W – 11.531
NP31ZL-4K: C(Wide) = 0.768W – 1.795 ------ C(Tele) = 0.953W – 1.705
NP39ML-4K: Ultra-Short Throw lens (See page 3 for Formulas)
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: 16:9 Screen Formulas
NP39ML-4K: A=C-33 .0 W = Image Width W = H x 16/9
B=0.588*W H = Image Height (size) H = W x 9/16
C=(0.351*W)+2.362 C = Throw distance Screen Diagonal = W x 18.358/16
D=E-8.5
E=0.310*W
NP39ML-4 Installation
www.necdisplay.comPX1005QL Page 3 of 12
NEC Display Solutions of America, Inc.
Page 4
Screen Center
Screen Top
Shift Range
C
Screen Center
C
4.46
NEC Display Solutions of America, Inc.
PX1005QL Installation Guide
Desktop and Ceiling MountRev 1.4
Ceiling Mount Installation
Note: Lens Shift Feature is not available for the NP16F-4KL.This lens should only be used for “zero degree”/”no-offset” applications.
www.necdisplay.comPX1005QL Page 4 of 12
Page 5
PX1005QL Installation Guide
Lens Shift Range for Desktop and Ceiling Mount
Application
The diagram below shows the location of the image
position in the lens. The lens can be shifted within the
shaded area as shown using the normal projection
position as a starting point.
Note: Lens shift feature is not available with NP16FL-4K
(rear lens).NP16FL-4K should be used only for “zero degree” / no-offset” applications.
Note: Projector is set out of the box at maximum lens
shift, which is how it is depicted above.
(W: width of projected image, H: height of projected
image)
Desktop and Ceiling MountRev 1.4
Lens Shift Adjustable Range
www.necdisplay.comPX1005QL Page 5 of 12
NEC Display Solutions of America, Inc.
Page 6
22.65
22.89
9.829.82
19.63
8.31
4.46
8.49
INTAKE
INTAKE
EXHAUST
LENS RELEASE BUTTON
NEC Display Solutions of America, Inc.
PX1005QL Installation Guide
Desktop and Ceiling MountRev 1.4
Cabinet Dimensions
The following diagrams show the cabinet dimensions for the PX1005QL.
Dimensions are in inches. For millimeters multiply by 25.4.
Note: Dimensions below shown without a lens
www.necdisplay.comPX1005QL Page 6 of 12
Page 7
6-M4 (Max. M4 x 16)
5.125.905.90
3.9111.80
1.5816.511.58
2.3419.061.51
NEC Display Solutions of America, Inc.
PX1005QL Installation Guide
Desktop and Ceiling MountRev 1.4
Cabinet Dimensions
www.necdisplay.comPX1005QL Page 7 of 12
Page 8
NP16FL-4K
NP17ZL-4K
NP18ZL-4K
NP19ZL-4K
NP20ZL-4K
NP39ML-4K
NP31ZL-4K
1.36
NP21ZL-4K
NEC Display Solutions of America, Inc.
PX1005QL Installation Guide
Desktop and Ceiling MountRev 1.4
Optional Lens Dimensions
www.necdisplay.comPX1005QL Page 8 of 12
Page 9
NEC Display Solutions of America, Inc.
PX1005QL Installation Guide
Desktop and Ceiling MountRev 1.4
Ventilation Requirements
If there are walls on boths sides of the projector :
If there’s a wall behind the projector :
Portrait Requirements
www.necdisplay.comPX1005QL Page 9 of 12
Page 10
NEC Display Solutions of America, Inc.
PX1005QL Installation Guide
Desktop and Ceiling MountRev 1.4
Regulatory Labels
Baud Rate: 38400 bps (for cable lengths longer than 20’, it is recommended changing to 9600 bps in setup menu)
Data Length: 8 bits
Parity: No Parity
Stop Bit: One bit
X on/off: None
Communications: Full duplex
PC Control Connector (D-Sub 9P)
Note 1 : Pins 1, 4, 6, and 9 are used inside the projector.
Note 2: For long cable runs it is recommended to set communication speed within the projector to 9600 bps.
Note 3: Jumper “Request to Send” and “Clear to Send” together on both ends of the cable to simplify cable connection.
www.necdisplay.comPX1005QL Page 12 of 12
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