InFocus LP 840/LP 850 RS-232 commands, Communication Configuration, Command Format, Setting Value

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RS-232 commands

Communication Configuration

Visit our website for additional RS-232 settings and information.

To control this projector via RS-232, connect a null modem cable and set the control system serial port settings to match the following communication configuration:

 

RS-232 Port Settings

 

 

 

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 example:

(AAA?) where

( starts the command

AAAdenotes the command ? denotes the read request ) ends the command

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

Read Command Examples

Function

Command

Response

 

 

 

Brightness

(BRT?)

(96-160,128)

 

 

 

Volume

(VOL?)

(0-32, 0)

 

 

 

Lamp Hours

(LMP?)

(0-65534, 42)

 

 

 

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 excep- tion is the Power command, where 0 is off and 1 is on.

To assure the projector can process a command, wait 3 seconds before enter- ing the next command.

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Contents USER’S Guide Trademarks Important Operating Considerations Table of ContentsPage Online Registration AccessoriesProjector components and features back IntroductionConnector Panel Positioning the projector Optional computer connections Connecting a computerRequired computer connections Visit our website for information on ProjectorNet Displaying a computer image First-time projector use with Windows For Windows 2000, Windows ME, and Windows XP Wizard launches two timesAdjusting the image Optional video connections Connecting a video deviceStandard video connections Connect BNC cables Displaying a video image You can also adjust the zoom and focus via the menus. See Screen Save Troubleshooting your setupPower Save Shutting down the projectorComputer image projected SolutionRange Out Image clear and not cropped Page Color Lamp must be replaced Lamp turns on Lamp won’t turn on, Temp LED solid redLamp won’t turn on, Lamp LED blinking red Still having problems? Using the keypad buttons Troubleshooting the remote Using the remote controlConnecting external speakers Using the audioTroubleshooting audio Optimizing computer images Presentation featuresCustomizing the projector Optimizing video imagesUsing the menus Picture menu Presets Advanced settings Settings menu Save Screen PiP Enable PiP Position Effect Key Network Changing the lens MaintenanceCleaning the lens Lamp module is on the right Resetting the lamp timer Troubleshooting Cleaning the dust filterUsing the security lock Projected image size AppendixDistance Image Width 2.3 25/7.6 LED color/behavior Meaning LED BehaviorSetting Value RS-232 commandsCommunication Configuration Command FormatLimitations Error Conditions= Japanese = Korean = Portuguese = Russian = Norwegian NND Ntsc Function Com Min Max Step Mand Fault Numerics Page XGA Warranty Limitation and Exclusion Limited WarrantyTo Obtain Warranty Service Limited Warranty PeriodTo Be Eligible For Limited Warranty Coverage If YOU Need ASSISTANCE… USER’S Guide

LP 840/LP 850 specifications

The InFocus LP 840 and LP 850 projectors are designed to meet the needs of professional environments, offering powerful features, advanced technologies, and high-quality performance. These projectors are ideal for business presentations, educational purposes, and corporate events, providing a reliable solution for any scenario requiring clear and vibrant visual displays.

Both the LP 840 and LP 850 deliver impressive brightness levels, with the LP 850 boasting 5000 ANSI lumens, while the LP 840 offers slightly lower brightness at 4500 ANSI lumens. This high level of brightness ensures that presentations are visible even in well-lit rooms, allowing for seamless visibility without compromising image quality. They support a native resolution of 1920 x 1200, ensuring that detailed graphics and text remain sharp and clear for maximum impact.

One of the standout features of these projectors is their built-in collaboration tools, which provide seamless integration with various devices. This functionality allows multiple users to connect their laptops or mobile devices wirelessly or via USB, facilitating interactive presentations and discussions. The LP 840 and LP 850 also include HDBaseT connectivity, which simplifies installation and reduces cable clutter, allowing for the transmission of video, audio, and control signals over long distances.

The projectors utilize advanced lamp technology, which increases their lifespan and reduces maintenance costs. With an operational lifespan of up to 10,000 hours in eco mode, users can rely on these projectors for extended periods without worrying about frequent lamp replacements. Additionally, both models offer a quick start-up and shut-down feature, enhancing user convenience.

Another key characteristic of the InFocus LP 840 and LP 850 is their comprehensive set of connectivity options, including HDMI, VGA, and audio jacks, making it compatible with a wide range of devices. This versatility ensures that users can easily connect laptops, DVD players, and other multimedia sources without any hassle.

The design of the LP 840 and LP 850 is also noteworthy, featuring a sleek and professional appearance that complements any office or classroom environment. The lightweight yet durable construction makes it easy to transport between different locations, catering to the needs of dynamic workspaces.

In conclusion, the InFocus LP 840 and LP 850 projectors stand out as exceptional tools for communication, collaboration, and engagement. With their robust brightness, high resolution, advanced connectivity options, and user-friendly features, they are well-suited for any audience that demands reliability and performance in their visual displays.
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