InFocus P720 RS-232 terminal specifications for IN74 and IN76, Communication configuration

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RS-232 terminal specifications for IN74 and IN76

Communication configuration

To control the projector from an LCD control panel, connect an RS-232 cable to the serial control connector on the projector and set your computer’s serial port settings to match this communication configuration:

Setting

Value

Bits per second

19,200

Data bits

8

Parity

None

Stop bits

1

Flow control

None

Emulation

VT100

 

 

Command format

All commands consist of 3 alpha characters followed by a request, all enclosed in parentheses. The request can be a read request (indicated by a “?”) or a write request (indicated by 1 to 4 ASCII digits).

A read request format: (AAA?) where

(starts the command

AAA denotes the command

? denotes the read request

)ends the command

A read command returns the range and the current setting, for example:

Function

Command

Response

Brightness

(BRT?)

(0-22, 10)

Lamp hours

(LMP?)

(0-9999, 421)

 

 

 

A write request example: (AAA####) where

(starts the command

AAA denotes the command

####denotes the value to be written (leading zeros not necessary)

)ends the command

Some commands have ranges, while others are absolute. If a number greater than the maximum range is received, it is automatically set to the maximum number for that function. If a command is received that is not understood, a “?” is returned. With absolute settings, “0” is off, 1-9999 is on. The one exception is the Power command, where 0 is off and 1 is on.

Function

Command

Response

Brightness

(BRT10)

Sets the brightness to 10

Power

(PWR0)

Turns power off

Power

(PWR1)

Turns power on

Power

(PWR9999)

?

 

 

 

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Contents Page Page Page Page Page Page Page Page Reference Guide Declaration of Conformity CanadaTable of Contents Introduction Product specifications Accessories Online RegistrationVolt DC output Connector PanelScreen Size Distance  Positioning the projectorChoosing the aspect ratio Video connectors Composite RCA video connection Connecting a video deviceVideo connection Component RCA connectionDVI connection Digital connectionsHdmi connection Computer connectionsDisplaying an image Adjusting the imageAdjust Picture menu options including Aspect Ratio Shutting down the projector Troubleshooting your setupPress power button Page Page Color Change lamp message appears at startup or LED blinking red Troubleshooting the remote Using the remote controlUsing the keypad buttons Customizing the projector Optimizing video imagesUsing the menus Picture menu Presets Save User Advanced menu Page Settings menu Startup Logo Language menu Custom Key Blank Screen Service menu Service Info Source Info menu Maintenance Cleaning the lensReplacing the projection lamp Lamp door Lamp housing Captive screws Lamp connector Service menu Red LED behavior and projector errors AppendixLED Behavior Remote control discrete codes Function Description Button Remote control discrete codesProjector dimensions for ceiling mount installations Supported video formats Connector Signal Type Supported formatsRS-232 terminal specifications for IN74 and IN76 Communication configurationCommand format Function Command Range Default Supported commandsNRE VSU Index Page Page Page
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P740, IN72, P720, P760, IN74 specifications

InFocus has established itself as a leader in the projection technology space, offering a range of projectors designed to cater to various needs. The InFocus P760, IN74, IN76, P720, and IN72 are part of their diverse lineup, each designed to deliver exceptional image quality and versatile features.

The InFocus P760 is a powerful DLP projector that shines in both business and education environments. It boasts a brightness of up to 5000 lumens, making it ideal for large rooms with ambient light. With a native resolution of WXGA (1280x800), the P760 supports high-definition content and ensures sharp, clear images. Its extensive connectivity options, including HDMI, VGA, and USB, make it adaptable for a range of devices, whether connecting to a laptop or a media player.

The IN74 model also features DLP technology, delivering vibrant colors and high contrast ratios. With a brightness of around 3000 lumens and a native XGA resolution (1024x768), it is perfect for standard office and classroom settings. The IN74 includes integrated speakers and a variety of input options, enabling easy installation and use without external audio solutions.

Moving on to the IN76, this projector offers enhanced capabilities with its WXGA resolution and a brightness rating of 3500 lumens. It is particularly well-suited for presentations that require detailed visuals, making it an excellent choice for corporate settings. The IN76 comes with a user-friendly interface, enabling quick setup and adjustments.

The P720 is another noteworthy model. With an impressive brightness of 4000 lumens, it operates effectively in various lighting conditions. Its features include a native resolution of XGA, multiple input options, and an eco-friendly mode that extends lamp life, making it both economical and environmentally friendly.

Lastly, the IN72 projector is designed for those who need an affordable yet effective solution. With a brightness of 2500 lumens and a native XGA resolution, it strikes a balance between cost and performance. This model is particularly suitable for small meetings or classrooms where budget constraints are a consideration.

In summary, the InFocus P760, IN74, IN76, P720, and IN72 projectors provide a range of options catering to diverse needs in business and education. Each model features specific advantages such as varying brightness levels, resolutions, and connectivity options, ensuring users can find the perfect match for their projection requirements. With reliable performance and excellent image quality, these projectors continue to be favored choices among professionals and educators alike.
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