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

Control jack

 

2

D-sub 15-pin shrink jack

SELORTS109345678

1510149138127116

GND

2

 

RDT

43

 

 

15

Computer

RS-232C jack

2

RD

D-sub 9-pin

3456789

TDGNDDRITRSRTS

162738495

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

Page 31
Image 31
Hitachi CP-X985W user manual RS-232C communication, Communications setting, Protocol, Header, Command data

CP-X985W specifications

The Hitachi CP-X985W is a high-performance projector designed for educational and corporate environments, delivering outstanding image quality and versatility. Known for its impressive brightness and resolution, this projector is an excellent choice for presentations, lectures, and interactive meetings.

One of the standout features of the CP-X985W is its brightness level, which reaches up to 5,000 ANSI lumens. This high brightness rating ensures that images remain clear and vibrant, even in well-lit rooms. The WXGA resolution of 1280 x 800 pixels offers a wide aspect ratio of 16:10, making it ideal for displaying high-definition content, such as videos and graphics, without compromising on detail. The combination of high brightness and superior resolution allows users to present complex data and detailed visuals effectively.

The CP-X985W utilizes advanced imaging technologies, including DLP (Digital Light Processing) technology, which enhances the quality of images with sharp text and vivid colors. This projector also features a contrast ratio of 2,000:1, providing a dynamic range that improves the depth and clarity of images, allowing subtle details to shine through in presentations.

Connectivity is a priority for the CP-X985W, with a range of input options, including HDMI, VGA, and USB, ensuring that users can connect various devices effortlessly. The inclusion of wireless capabilities allows for seamless connectivity to laptops and mobile devices, facilitating a more interactive presentation experience without the hassle of cable management.

Designed with user-friendliness in mind, the Hitachi CP-X985W includes a range of features that enhance the overall user experience. The built-in speaker delivers decent audio output for small meetings and presentations, while the easy-to-navigate menu and remote control allow users to make quick adjustments during presentations. The auto keystone correction feature ensures that images remain properly aligned, even when the projector is not perfectly centered relative to the screen.

Additionally, the CP-X985W is equipped with energy-saving technologies, such as a low power consumption option and a lamp life of up to 5,000 hours, which reduces the total cost of ownership. This is particularly advantageous for organizations that rely on projectors for daily use.

Overall, the Hitachi CP-X985W is an exceptional projector that combines high brightness, excellent resolution, and user-friendly features, making it a dependable choice for any professional setting. With its advanced technology and robust performance, it stands out as a versatile tool for enhancing communication and collaboration.