Hitachi CP-S370W 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-S370W Contents Contents of Package FeaturesBefore USE Part Names Before USEVideo Button RGB Button Menu Select Button Position Button Reset Button Menu Button Magnify ButtonVolume Button Freeze Button Auto Button Battery Holder ButtonReplacing Loading the BatteryFixing the Handle First LoadingInstallation Reference InstallationInstallation of the Projector and Screen Angle AdjustmentCabling InstallationCabling Example of system setup Power ConnectionPlug & Play Equipment is used safely Power onPower OFF OperationsBasic Operation OperationsBasic Operation Description Menu Display Start/Stop Press the Menu button Set / Clear Keystone Mode Press the KeystoneAdjust Keystone Press Normal menu Single menuSelect Position of Image Setup MenuSetup Menu Select Image Aspect RatioInput Menu Automatic Adjustment at RGB Input Select the Execute withAutomatic Adjustment at Video Input Select the Execute with Input MenuImage Menu Description Setup Initial Screen Display Select Turn on withSelect Color Temperature Image MenuSelect Menu Background Color Select with Set / Crear Whisper Mode PressOptions Menu Options Menu DescriptionNo Signal Menu Description No Signal MenuLamp Life MaintenanceLamp LampResetting the Lamp Timer MaintenanceReplacing the Lamp Air Filter Other MaintenanceOSD Messages TroubleshootingMessage Contents OSD MessageIndicator TroubleshootingIndicators Message Indicators MessageSymptom SymptomSymptom Possible cause Remedy Specifications SpecificationsWarranty and AFTER-SERVICE Mini Din 4-pin Connector S-VIDEO Dimension DiagramSignal Connector Pin Assignment Sub 15-pin Shrink Connector RGB in 1/RGB in 2/RGB OUTTechnical 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 Be EF CB D0 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
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CP-S370W specifications

The Hitachi CP-S370W is a versatile yet compact projector designed for various environments, including classrooms, office settings, and small conference rooms. This model is well-regarded for its impressive performance, user-friendly features, and advanced technology, making it a solid choice for educators and professionals alike.

One of the standout features of the CP-S370W is its brightness. With a remarkable brightness level of 3500 ANSI lumens, this projector delivers clear and vivid images even in well-lit environments. This high brightness ensures that visuals are easily visible, making it ideal for presentations where ambient light cannot be controlled.

The projector has a native resolution of 1280 x 800 pixels (WXGA), allowing for a wide-screen aspect ratio of 16:10. This makes it suitable for displaying HD content and detailed graphics without compromising quality. The CP-S370W also utilizes DLP technology, which provides exceptional color accuracy and contrast ratios, resulting in crisp and vibrant images that captivate audiences.

Another key characteristic of the CP-S370W is its ease of use. The projector is equipped with multiple connectivity options, including HDMI, VGA, and USB ports. This versatility allows users to connect various devices, such as laptops, tablets, and multimedia players, ensuring compatibility with a wide range of tools.

In terms of portability, the CP-S370W is lightweight and compact, making it easy to transport between locations. This feature is particularly useful for those who conduct presentations in different settings. The projector also comes with quick start and shutdown functions, enabling users to set up and pack away effortlessly.

The Hitachi CP-S370W emphasizes eco-friendliness with its energy-saving features. The long lamp life, rated at approximately 5000 hours in Eco mode, significantly reduces the need for frequent replacements and contributes to lower operating costs, making it an economical choice over time.

Additional features include a built-in speaker, automatic keystone correction, and a range of image adjustments, ensuring that users can optimize their viewing experience. Overall, the Hitachi CP-S370W stands out as a reliable, high-quality projector that meets the needs of modern presentations, combining robust technology with user-centric design.
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