Functions can be controlled by a personal computer:

Turn the ON or OFF

Changing input signals

Button input by remote control

Reading warning data

Picture adjustment

By making a programme, you can also control this projector by a personal computer automatically. [EXAMPLE]

Time

Movement

Commands to be used (ASCII code)

8:40 a.m.

Turn the power ON

0 0

!

 

Change input to RGB

0 0

_ r 1

0:20 p.m.

Turn the power OFF

0 0

"

1:00 p.m.

Turn the power ON

0 0

!

3:00 p.m.

Change input to VIDEO

0 0

_ v 1

5:20 p.m.

Turn the power OFF

0 0

"

1) Interface

PROTOCOL

RS-232C

BAUD RATE

9600 [bps]

DATA LENGTH

8 [bits]

PARITY BIT

NONE

STOP BIT

1 [bits]

FLOW CONTROL

NONE

 

 

This projector uses RXD, TXD and GND lines for RS-232C control.

For RS-232C cable,the reverse type cable should be used.

2) Control command diagram

The command is structured by the address code, function code, data code and end code. The length of the command is different by each function.

 

Address code

Function code

 

Data code

End code

 

 

 

 

 

 

 

 

 

HEX

 

30h 30h

Function

 

Data

0Dh

 

ASCII

 

'0' '0'

 

Function

 

Data

 

 

[Address code]

30h 30h (In ASCII code, '0' '0') fixed.

 

 

[Function code]

A code of each fixed control move

 

 

 

[Data code]

 

A code of each fixed control data (number) and not always indicated.

[End code]

 

0Dh (In ASCII code, ' ') fixed.

 

 

 

3) Control sequence

(1)The command from a personal computer to the projector will be sent in 400ms.

(2)The projector will send a return command 400ms* after it has received an encode. if the command isn’t received correctly, the projector will not send the retirn command.

(3)The personal computer checks the command and confirms that if the command which has been sent has been executed or not.

(4)This projector sends various codes, other than the return code. When having a control sequence by RS- 232C, reject other codes from personal computer side.

* : The sending time of return command may delay depending on the condition (during changing the input signal, playing back the PC card, etc.).

APPENDIX

Page 40
Image 40
Mitsubishi Electronics LVP-S120A user manual Interface, Control command diagram, Control sequence

LVP-S120A specifications

The Mitsubishi Electronics LVP-S120A is a high-quality projector that has garnered attention for its impressive performance and advanced features, making it an excellent choice for both home theater enthusiasts and professional presentations. This model combines cutting-edge technology with user-friendly capabilities, ensuring an exceptional visual experience.

One of the main features of the LVP-S120A is its impressive brightness level, which is rated at 2,500 ANSI lumens. This allows the projector to deliver clear, vibrant images even in well-lit environments, making it a versatile option for various settings, such as classrooms, conference rooms, or living rooms. Coupled with a high contrast ratio, the projector provides sharp image details and deep blacks, enhancing the overall viewing experience.

The LVP-S120A utilizes LCD technology, which is known for its ability to reproduce accurate color and crisp imagery. This projector supports a native resolution of 800x600 pixels, offering a decent quality for standard presentations and video playback. Additionally, it supports various resolutions, making it compatible with a wide array of content sources, such as laptops, DVD players, and gaming consoles.

Another notable aspect of the LVP-S120A is its lightweight and compact design. Weighing just around 3.5 kilograms, it is highly portable, allowing users to easily transport it from one location to another. This feature is particularly advantageous for business professionals who need to deliver presentations on-site or educators who might move between classrooms.

Networking capabilities are also integrated into the LVP-S120A, which allows for easy connectivity to various devices. This projector is equipped with multiple input options, including HDMI, VGA, and composite video ports. The presence of these ports makes it straightforward to connect to a range of media devices, enhancing its versatility.

In terms of usability, the LVP-S120A is designed with user-friendly controls and provides intuitive settings that allow users to adjust image parameters easily. The remote control adds to the convenience of operation, enabling users to navigate through settings from a distance. Furthermore, the projector features an automatic keystone correction function, ensuring a perfectly aligned image even on tilted surfaces.

Overall, the Mitsubishi Electronics LVP-S120A stands out as a reliable projector that balances portability, ease of use, and impressive visual quality, making it an ideal choice for both personal and professional applications.