RS-232C Communication, Protocol, Header | Hitachi CP-X885 specification

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-X885 specifications

The Hitachi CP-X885 is a versatile and high-performance projector designed to meet the demands of various settings, including classrooms, conference rooms, and auditoriums. Known for its reliability and image quality, the CP-X885 stands out in the competitive projector market by integrating advanced technologies that enhance both functionality and usability.

One of the main features of the CP-X885 is its impressive brightness, boasting a luminous output of 3800 ANSI lumens. This ensures vivid and clear images even in well-lit environments, making it ideal for presentations and educational purposes. The projector also offers a high contrast ratio of 2000:1, which contributes to sharp and detailed visuals, allowing text and graphics to stand out distinctly.

In terms of resolution, the Hitachi CP-X885 supports XGA (1024x768), a standard that provides clarity and detail, particularly suited for presentations that involve text-heavy content. The projector supports a variety of video signals, from composite to component video, making it highly versatile for different input sources.

The CP-X885 incorporates advanced optical technology, including a 1.2x optical zoom lens that allows for flexible installation options. This feature enables users to adjust the image size without needing to reposition the projector, providing convenience for quick setups. Additionally, its vertical and horizontal keystone correction ensures that images remain properly aligned, even when projected from an angle.

Another notable aspect of the CP-X885 is its long lamp life, rated at up to 5000 hours in standard mode and 6000 hours in eco mode. This longevity translates to reduced maintenance costs and less frequent lamp replacements, allowing for uninterrupted usage. The projector is also equipped with a quiet operation mode, with noise levels as low as 29 dB, creating an unobtrusive viewing experience.

For connectivity, the CP-X885 offers multiple options, including HDMI, VGA, and USB ports. This flexibility allows users to connect various devices such as laptops, media players, and document cameras easily. Network capabilities are also supported, allowing for remote control and monitoring of the projector, which is advantageous for IT administrators in educational and corporate environments.

In summary, the Hitachi CP-X885 combines brightness, clarity, and user-friendly features, making it a reliable choice for anyone in need of a high-quality projector. Its robust design, coupled with versatile connectivity options and maintenance-friendly attributes, ensures that it meets the dynamic requirements of modern presentations and educational needs.