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Pagina 1/6

NEC Corporation of America

Visual Systems Division

VT490/590/595 Installation Guide

Ceiling Mounted and Desktop Rev 1.1

www.necvisualsystems.com VT490/590/595 Page 1 of 6

Contents

Product Description, Lens Specs, Notes and Formulas Pg 1

Diagrams & Distance Charts Pg 2

Cabinet Dimensions Pg 3-4

Ceiling Mount Dimensions Pg 5

Input Panel and Control Codes Pg 6

Product Description

Type: 3 panel LCD projector, Brightness: VT490: 2000 ANSI Lumens

0.6” p-Si TFT w/MLA VT590/VT595: 2000 ANSI Lumens

Resolution: VT490: 800 x 600

VT590/VT595: 1024x768

Dimensions: 12.1”(W) x 10.2”(H) x 4.4”(D)

Weight: 6.17 lbs

Lens Specifications

Throw Ratio: 1.5 – 1.8:1 (for 100” diagonal) Focal Length: 18.9mm – 22.7mm

Offset Angle: 8.3° - 10.0° (for 100” diagonal) F/#: 1.7 - 2.07

Screen Sizes: 25” - 300” diagonal (4:3) Manual Focus/Manual Zoom

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 formulas, use the figures in the table.

• All calculations are based on 4:3 aspect ratio.

• Distances are in inches, for millimeters multiply by 25.4.

• ± Distances may vary 5%.

Formulas

The Projection Formulas use the image width for calculation. For proper projection placement, determine the image width

for the desired screen size. Use the Screen Formulas below to calculate all screen dimensions. Plug in the width for “W” in

the Projection Formulas.

Refer to the diagrams and charts for popular screen sizes on page 2:

Definitions: 4:3 Screen Formulas:

W = Image Width W = H x 4/3

H = Image Height (size) H = W x 3/4

B = Vertical distance between lens center and screen center Screen Diagonal = W x 5/4

C = Throw distance

D = Vertical distance between lens center and screen top

(screen bottom for desktop application)

Projection Formulas:

B = 0.266W

C (wide) = 1.525W – 1.176

C (tele) = 1.828W – 1.173

D = 0.108W

α (wide) = tan¯¹ (B/C(wide))

α (tele) = tan¯¹ (B/C(tele))

NEC Corporation of America

Visual Systems Division

VT490/590/595 Installation Guide

Ceiling Mounted and Desktop Rev 1.1

www.necvisualsystems.com VT490/590/595 Page 2 of 6

Diagrams and Distance Charts

The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of

installation.

Distances are in inches. For millimeters multiply by 25.4.

Ceiling Mounted

Lens Ctr

Screen Ctr

Throw Distance

Screen Top

5.26"

5.68"

Lens Offset From

Mount Pipe

3.27"

Lens Ctr

Screen Ctr

Throw Distance

Screen Bottom 2.57"

Desktop

Distance Chart for popular 4:3 screens Screen Size (4:3)

Diag W H

inches inches inches inches inches

30 24 18 6 -3

60 48 36 13 -5

72 57.6 43.2 15 -6

84 67.2 50.4 18 -7

90 72 54 19 -8

100 80 60 21 -9

120 96 72 26 -10

150 120 90 32 -13

180 144 108 38 -16

200 160 120 43 -17

250 200 150 53 -22

300 240 180 64 -26

wide - tele

Dα

wide - tele

inches degrees

35 - 43 10.2 - 8.5

72 - 87 10.1 - 8.4

87 - 104 10.0 - 8.4

101 - 122 10.0 - 8.4

109 - 130 10.0 - 8.4

121 - 145 10.0 - 8.3

145 - 174 10.0 - 8.3

182 - 218 10.0 - 8.3

218 - 262 10.0 - 8.3

365 - 438 9.9 - 8.3

243 - 291 10.0 - 8.3

304 - 364 9.9 - 8.3

Note: For screen sizes not indicated on the projection

tables, use the formulas on page 1.

NEC Corporation of America

Visual Systems Division

VT490/590/595 Installation Guide

Ceiling Mounted and Desktop Rev 1.1

www.necvisualsystems.com VT490/590/595 Page 3 of 6

Cabinet Dimensions

The following drawings show the cabinet dimensions.

Dimensions are in inches. For millimeters multiply by 25.4.

SELECT

ENTER

EXIT

ON/ST AND BY SOU RCE AUTO ADJ.

POWER

STATUS

LAMP

VTVT

480

480480

PUSH

10.17

12.07

0.10

2.57

2.22

3.27

4.45

Ventilation

4.76

2.78

2.29

7.41

0.07

2.26

Zoom Lever

Focus lever

Ventilation

Product specificaties

Merk:	Nec
Categorie:	Beamer
Model:	VT595
Kleur van het product:	Wit
Ingebouwd display:	Nee
Gewicht:	2950 g
Geluidsniveau:	29 dB
Stroomvoorziening:	100-120 V/200-240 V AC; 50/60 Hz
Stroombron:	AC
Plaatsing:	Desktop,Ceiling
Ethernet LAN:	Nee
Ondersteunde video-modi:	1080i,720p
Typische contrastverhouding:	600:1
Projector helderheid:	2000 ANSI lumens
Projectietechnologie:	3LCD
Projector native resolution:	XGA (1024x768)
Keystone correctie, verticaal:	-30 - 30 °
Geschikt voor schermmaten:	- "
Projectie-afstand objectief:	0.7 - 11.1 m
Frequentiebereik horizontaal:	15 - 100 kHz
Frequentiebereik verticaal:	50 - 120 Hz
VGA (D-Sub)poort(en):	2
Soort serieële aansluiting:	RS-232
Audio-ingang (L, R):	2
S-Video ingang:	1
DVI-poort:	Ja
Focus:	Handmatig
Diafragma (F-F):	1.7 - 2.07
Brandpuntbereik:	18.9 - 22.7 mm
Levensduur van de lichtbron:	2000 uur
Type lichtbron:	Lamp
Ingebouwde luidsprekers:	Ja
Gemiddeld vermogen:	5 W
Aantal ingebouwde luidsprekers:	1
Stroomverbruik (in standby):	9 W
Throw ratio:	1.5 - 1.8:1
Formaat analoog signaal:	NTSC,NTSC 4.43,PAL,PAL 60,PAL M,PAL N,SECAM
Volledige HD:	Ja
HDCP:	Ja
RS-232 port:	1
Lampvermogen:	190 W
Ondersteunde grafische resoluties:	720 x 480,720 x 576,832 x 624,1152 x 870,1024 x 768 (XGA),1280 x 1024 (SXGA),1280 x 720 (HD 720),1600 x 1200 (UXGA),1920 x 1080 (HD 1080),640 x 480 (VGA),800 x 600 (SVGA)
Plug and play:	Ja
Levensduur van de lichtbron (besparingsmodus):	3000 uur
Focusbereik lens:	18.9 – 22.7
Afmetingen (B x D x H):	309 x 258 x 112 mm
Projector helderheid (spaarzame modus):	1600 ANSI lumens
Afstandsbediening inbegrepen:	Ja
Lamp sterkte (spaarzame modus):	150 W
Stroomverbruik (typisch):	270 W
Type product:	Projector met normale projectieafstand