RS-232C Communication, Protocol, Header

RS-232C COMMUNICATION

(1)Turn off the projector and computer power supplies, and connect with the RS-232C adapter via 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
Control jack	2	2	RD
D-sub 15-pin shrink jack	3	3	TD	1	2	3 4	5
	4	4	DTR
	5	5	GND	6	7	8	9
	SELO 6	6	DSR
	RTS 7	7	RTS
	8	8	DTS
	9	9	RI
	GND 10
	11
	12
	RD 13
	TD 14
	15
	RS-232C adapter

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
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.

CP-X870W specifications

The Hitachi CP-X870W is a versatile and powerful projector designed for educational settings, corporate presentations, and large venues, delivering high-quality images with remarkable clarity and brightness. With a WUXGA resolution of 1920x1200 pixels, it ensures that visuals are sharp and detailed, making it suitable for displaying complex images, graphs, and videos seamlessly.

One of the standout features of the CP-X870W is its brightness, boasting a remarkable 8,000 ANSI lumens output. This high level of brightness is crucial for ensuring visibility even in well-lit environments, providing a clear and vivid display for audiences. The projector also utilizes a high contrast ratio, which enhances the depth and richness of the images, allowing users to appreciate the finer details in videos and presentations.

In terms of connectivity, the Hitachi CP-X870W is equipped with a variety of ports, including HDMI, VGA, and USB, making it easy to connect to various devices such as laptops, tablets, and media players. This flexibility caters to diverse user needs and simplifies the setup process during presentations.

The CP-X870W integrates advanced technologies to enhance the viewing experience further. It uses a 3LCD technology, which ensures that colors are accurately reproduced and prevents the issues of color break-up often associated with single-chip projectors. This leads to vibrant, lifelike images that captivate audiences.

Another notable characteristic is its eco-friendly design. The projector has an extended lamp life of up to 7,000 hours in eco mode, significantly reducing the frequency of lamp replacements and energy consumption. This not only benefits the environment but also lowers operational costs over time.

Additionally, the Hitachi CP-X870W features a user-friendly interface, making it easy for presenters to navigate settings and configurations. The inclusion of built-in speakers also allows for audio playback without the need for external speakers, streamlining the setup for various applications.

In summary, the Hitachi CP-X870W combines robust brightness, high resolution, and advanced technologies to deliver exceptional performance in educational and professional environments. Its flexible connectivity options, eco-friendly design, and user-oriented features make it a top choice for those seeking a reliable and efficient projector.

Hitachi CP-X870W user manual RS-232C Communication, Protocol, Header, Command data

Models: CP-X870W