8. Appendix

￿Compatible Input Signal List

 

 

Signal

Resolution

Frequency H.

Refresh Rate

Dot Clock

 

 

 

( Dots )

 

( kHz )

( Hz )

 

( MHz )

 

 

NTSC

 

 

15.734

60

 

 

 

 

PAL

 

 

15.625

50

 

 

 

 

SECAM

 

 

15.625

50

 

 

 

 

VESA

640

×

480

31.47

59.94

 

25.175

 

 

IBM

640

×

480

31.47

60

 

 

25.175

 

 

MAC

640

×

480

31.47

60

 

 

25.175

 

 

MAC

640

×

480

34.97

66.67

 

31.334

 

 

MAC

640

×

480

35

66.67

 

30.24

 

 

VESA

640

×

480

37.86

72.81

 

31.5

 

 

VESA

640

×

480

37.5

75

 

 

31.5

 

 

IBM

640

×

480

39.375

75

 

 

31.49

 

 

VESA

640

×

480

43.269

85.01

 

36

 

 

IBM

720

×

350

31.469

70.09

 

28.322

 

 

VESA

720

×

400

37.927

85.04

 

35.5

 

 

IBM

720

×

350

39.44

87.85

 

35.5

 

 

IBM

720

×

400

39.44

87.85

 

35.5

 

 

VESA

800

×

600

35.16

56.25

 

36

 

 

VESA

800

×

600

37.879

60.32

 

40

 

 

VESA

800

×

600

48.077

72.19

 

50

 

 

VESA

800

×

600

46.88

75

 

 

49.5

 

 

VESA

800

×

600

53.674

85.06

 

56.25

 

 

MAC

832

×

624

49.725

74.55

 

57.283

 

 

VESA

1024

×

768

35.5

43

Interlaced

44.9

 

 

VESA

1024

×

768

48.363

60

 

 

65

 

 

VESA

1024

×

768

56.476

70.07

 

75

 

 

MAC

1024

×

768

60.241

74.93

 

80

 

 

VESA

1024

×

768

60.023

75.03

 

78.75

 

 

VESA

1024

×

768

68.677

85

 

 

94.5

 

#

VESA

1152

×

864

67.5

75

 

 

108

 

#

MAC

1152

×

870

68.681

75.06

 

100

 

#

SUN

1152

×

900

61.796

65.95

 

92.94

 

#

SGI

1152

×

900

71.736

76.05

 

105.6

 

#

VESA

1280

×

960

60

60

 

 

108

 

#

VESA

1280

×

1024

63.981

60.02

 

108

 

#

MAC

1280

×

1024

69.89

65.2

 

118.5

 

#

HP

1280

×

1024

78.125

72.01

 

135

 

#

SUN

1280

×

1024

81.13

76.11

 

135

 

#

VESA

1280

×

1024

79.976

75.03

 

135

 

#

VESA

1280

×

1024

91.146

85.02

 

157.5

 

#

HDTV (1080i)(1125i)

1920

×

1080

33.75

60

Interlace

74.25

 

#

HDTV (1080i)(1125i)

1920

×

1080

28.13

50

Interlace

74.25

 

#

HDTV (720p)(750p)

1280

×

720

45

60

Progressive

74.25

 

 

SDTV (480p)(525p)

 

 

31.47

59.94

Progressive

27

 

#

VESA

1600

×

1200

75.0

60

 

 

162

 

#

VESA

1600

×

1200

81.3

65

 

 

175.5

 

#

VESA

1600

×

1200

87.5

70

 

 

189

 

#

VESA

1600

×

1200

93.75

75

 

 

202.5

 

 

DVD YCbCr

 

 

15.734

59.94

Interlaced

 

 

DVD YCbCr

 

 

15.625

50

Interlaced

#:Images in above flagged with # are compressed with Advanced AccuBlend on LT265 and LT245.

NOTE: Some composite sync signals may not be displayed correctly.

Signals other than those specified in the table above may not be displayed correctly. If this should happen, change the refresh rate or resolution on your PC. Refer to Display Properties help section of your PC for procedures.

UXGA (1600 × 1200) is supported for separate sync signal only.

130

Page 137
Image 137
NEC LT245, LT265 manual Compatible Input Signal List, 130

LT245, LT265 specifications

The NEC LT265 and LT245 are two high-performance projectors that cater to business professionals, educators, and multimedia enthusiasts alike. Both models are part of NEC's range of advanced projection solutions, known for delivering superior quality and reliability.

The NEC LT265 is recognized for its impressive brightness of up to 3500 lumens, making it suitable for various lighting conditions, from dimly lit conference rooms to brightly illuminated classrooms. This model uses DLP technology, which enhances image quality through its ability to produce sharper and more vibrant colors. The LT265 features a native XGA resolution of 1024 x 768 pixels, ensuring that fine details in text and images are rendered with clarity.

One of the standout features of the LT265 is its extensive connectivity options. It includes analog and digital inputs, such as VGA, HDMI, and USB, making it compatible with a wide array of devices, including laptops, tablets, and desktop computers. Additionally, the projector offers a built-in 10-watt speaker, which provides sufficient audio output for presentations and video playback without the need for external speakers.

On the other hand, the NEC LT245 is designed for even broader versatility. It boasts a slightly lower brightness at 3000 lumens but maintains a similar XGA resolution. The LT245 excels in its lightweight and portable design, weighing just around 5.5 pounds, making it an excellent choice for professionals on the go. The projector's lamp life is rated at an impressive 4000 hours in standard mode and up to 6000 hours in eco mode, allowing for extended use and reduced maintenance costs.

Both projectors incorporate technologies like keystone correction and digital zoom, facilitating easy setup and adjustment of the projected image. Keystone correction allows users to eliminate distortion when projecting at an angle, ensuring a properly shaped image every time. The LT265 and LT245 also come equipped with a quick-start feature, enabling fast power-up times, which is crucial for time-sensitive presentations.

In conclusion, the NEC LT265 and LT245 stand out for their high-quality projection capabilities, reliability, and user-friendly features. Whether for corporate presentations or educational purposes, these projectors provide exceptional performance that meets the varied needs of today's dynamic environments. Their combination of portability, connectivity, and enhanced imaging technologies positions them as top choices in the competitive projector market.