Hitachi CP-X990W RS-232C communication, Communications setting, Protocol, Header, Command data

Page 31

TECHNICAL (continued)

RS-232C communication

(1)Turn off the projector and computer power supplies and connect with the RS-232C cable.

(2)Turn on the computer power supply and, after the computer has started up, turn on the projector power supply.

 

 

 

 

 

Projector

Computer

RS-232C jack

Control jack

1

1

CD

D-sub 9-pin

2

2

RD

 

 

 

 

D-sub 15-pin shrink jack

 

 

 

 

3

3

TD

1

2

3 4

5

15

14

13

12

11

4

4

DTR

 

 

 

 

8

8

CTS

6

7

8

9

 

10

9

8

76

5

5

GND

 

SELO 6

6

DSR

 

 

 

 

 

 

 

 

 

RTS 7

7

RTS

 

 

 

 

 

 

 

 

 

9

9

RI

 

 

 

 

 

 

 

 

 

GND 10

 

 

 

 

 

 

 

 

 

 

 

11

 

 

 

 

 

 

 

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

 

RD 13

 

 

 

 

 

 

 

 

 

 

 

TD 14

 

 

 

 

 

 

 

 

 

 

 

15

 

 

 

 

 

 

Communications setting

19200bps, 8N1

1 Protocol

Consist of header (7 bytes) + command data (6 bytes).

2 Header

BE + EF + 03 + 06 + 00 + CRC_low + CRC_high

CRC_low : Lower byte of CRC flag for command data.

CRC_high : Upper byte of CRC flag for command data.

3 Command data

Command data chart

byte_0

 

byte_1

byte_2

 

byte_3

byte_4

 

byte_5

 

 

 

 

 

 

 

 

 

Action

 

Type

Setting code

low

 

high

low

 

high

low

 

high

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Action (byte_0 - 1)

Action

Classification

 

Content

 

 

 

 

1

SET

 

Change setting to desired value.

 

 

 

 

2

GET

 

Read projector internal setup value.

 

 

 

 

4

INCREMENT

 

Increment setup value by 1.

 

 

 

 

5

DECREMENT

 

Decrement setup value by 1.

 

 

 

 

6

EXECUTE

 

Run a command.

 

 

 

 

TECHNICAL - 6

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Page 30 Page 32
Contents CP-X990W/CP-X995W Contents Contents of package FeaturesBefore USE Part Names Before USEENGLISH-4 Loading the Batteries Installation Reference InstallationInstallation of the Projector and Screen Angle AdjustmentCabling InstallationCabling Example of System Setup Power ConnectionPlug & Play Standby Power onPower OFF OperationsBasic Operation OperationsBasic Operation Description Menu Display Start/Stop Press the Menu button Select Mode of P.IN P. Display Press the PinP buttonSet / Clear Keystone Mode Press the Keystone button Normal menu Single menuSetup Menu Setup MenuBlack Input MenuInput Menu Description RGBMirror Image MenuImage Menu Description MyScreenOperation Start/Stop Press Options MenuOptions Menu Select Menu Background Color Select withNo Signal Menu No Signal MenuLamp MaintenanceLamp Life Resetting the Lamp Timer MaintenanceReplacing the Lamp Air Filters Other MaintenanceOSD Message TroubleshootingMessage Contents OSD MessageIndicator TroubleshootingIndicators Message Indicators MessageSymptom SymptomSymptom Possible cause Remedy Specifications SpecificationsWarranty and AFTER-SERVICE Signal Connector Pin Assignment Dimension DiagramTechnical Technical Example of computer signalInitial set signals PS/2 Mouse Connection to the Mouse ControlPS/2, ADB or Serial Mouse USB MouseSerial Mouse ADB MouseProtocol Communications settingCommand data RS-232C communicationIncreasing the projector setting value Increment command Requesting projector status Get commandChanging the projector settings Set command Using the projector default settings Reset CommandCRC Be EF BA D2 Be EF FD D3 Be EF Ntsc PAL RGB Be EF FCC Statement Warning Regulatory NoticesFor the Customers in Canada Pour les utilisateurs au Canada Hitachi France Hitachi Europe GmbHHitachi Sales Europe GmbH Hitachi Business Systems Nordic

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.
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