TECHNICAL (continued)

Example of computer signal

Resolution

fH (kHz)

fV (Hz)

Rating

Signal mode

Display

H V

mode

 

 

 

 

 

 

 

 

 

 

 

720

400

37.9

85.0

VESA

TEXT

Zoom in

 

 

 

 

 

 

 

640

480

31.5

59.9

VESA

VGA (60Hz)

Zoom in

 

 

 

 

 

 

 

640

480

35.0

66.7

 

Mac13"mode

Zoom in

 

 

 

 

 

 

 

640

480

37.9

72.8

VESA

VGA (72Hz)

Zoom in

 

 

 

 

 

 

 

640

480

37.5

75.0

VESA

VGA (75Hz)

Zoom in

 

 

 

 

 

 

 

640

480

43.3

85.0

VESA

VGA (85Hz)

Zoom in

 

 

 

 

 

 

 

800

600

35.2

56.3

VESA

SVGA (56Hz)

Zoom in

 

 

 

 

 

 

 

800

600

37.9

60.3

VESA

SVGA (60Hz)

Zoom in

 

 

 

 

 

 

 

800

600

48.1

72.2

VESA

SVGA (72Hz)

Zoom in

 

 

 

 

 

 

 

800

600

46.9

75.0

VESA

SVGA (75Hz)

Zoom in

 

 

 

 

 

 

 

800

600

53.7

85.1

VESA

SVGA (85Hz)

Zoom in

 

 

 

 

 

 

 

832

624

49.7

74.5

 

Mac16"mode

Zoom in

 

 

 

 

 

 

1024 768

48.4

60.0

VESA

XGA (60Hz)

 

 

 

 

 

 

 

1024 768

56.5

70.1

VESA

XGA (70Hz)

 

 

 

 

 

 

 

1024 768

60.0

75.0

VESA

XGA (75Hz)

 

 

 

 

 

 

 

1024 768

68.7

85.0

VESA

XGA (85Hz)

 

 

 

 

 

 

 

1152 864

67.5

75.0

VESA

SXGA (75Hz)

Zoom out

 

 

 

 

 

 

1280 960

60.0

60.0

VESA

SXGA (60Hz)

Zoom out

 

 

 

 

 

 

 

1280

1024

64.0

60.0

VESA

SXGA (60Hz)

Zoom out

 

 

 

 

 

 

 

1280

1024

80.0

75.0

VESA

SXGA (75Hz)

Zoom out

 

 

 

 

 

 

 

1600

1200

75.0

60.0

VESA

VXGA (60Hz)

Zoom out

 

 

 

 

 

 

 

NOTESome computers may have multiple display screen modes. Use of some of these modes will not be possible with this projector.

Be sure to check jack type, signal level, timing and resolution before connecting this projector to a computer.

Depending on the input signal, full-size display may not be possible in some cases. Refer to the number of display pixels above.

The image may not be displayed correctly when the input sync. signal is "Composite Sync." or "Sync. on G".

The image might be something wrong with computer by computer on the DVI mode. In the case, it is recommended to reduce the resolution and / or reflesh rate.

TECHNICAL - 2

Page 27
Image 27
Hitachi CP-X990W user manual Technical, Example of computer signal

CP-X990W specifications

The Hitachi CP-X990W is a versatile and robust multimedia projector designed to meet the needs of various environments, including classrooms, conference rooms, and large auditoriums. This model stands out with its high brightness and resolution, making it ideal for presentations that require clear and vibrant visuals.

One of the key features of the Hitachi CP-X990W is its impressive brightness rating of 5000 ANSI lumens. This high level of brightness ensures that images remain clear and visible even in well-lit environments, eliminating the need for dim lighting during presentations. The WXGA resolution of 1280 x 800 pixels provides a great level of detail, allowing users to showcase intricate graphics and text without sacrificing quality.

The projector's advanced DLP technology offers excellent color accuracy and contrast, ensuring that images appear vibrant and engaging. With a contrast ratio of 5000:1, the CP-X990W delivers deep blacks and bright whites, enhancing the overall viewing experience. This makes it suitable for displaying multimedia content such as videos, images, and detailed presentations.

Connectivity is another strong point of the Hitachi CP-X990W. It comes equipped with a wide range of input options, including HDMI, VGA, USB, and composite video, allowing users to connect various devices such as laptops, Blu-ray players, and document cameras without hassle. Additionally, its integrated speakers provide decent sound quality for small to medium-sized presentations, eliminating the need for external audio equipment.

Another notable characteristic of the CP-X990W is its long lamp life, which can last up to 5000 hours in normal mode and 7000 hours in eco mode. This extended lifespan reduces maintenance costs and the frequency of replacement, making it an economical choice for institutions and businesses.

The projector is also designed with portability in mind. Weighing approximately 3.5 kilograms, it features a compact form factor that allows for easy transport between different locations. Its user-friendly interface and simple setup procedures make it suitable for users of all technical backgrounds.

In summary, the Hitachi CP-X990W is an exceptional multimedia projector that combines high brightness, excellent resolution, and versatile connectivity options. Its advanced technologies and user-friendly features make it a reliable choice for a variety of presentation environments. Whether for educational purposes or corporate use, the CP-X990W stands out as a valuable tool for effective communication and engagement.