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General| Brand | LI-COR |
|---|---|
| Model | LI-6400 |
| Category | Laboratory Equipment |
| Language | English |
Explains the LI-6400's operating principle, major components, and equations.
Guides through the assembly and preparations necessary to operate the LI-6400.
Teaches how to operate the LI-6400 and how it accomplishes its tasks through guided tours.
Provides a checklist of things to do prior to making measurements.
Offers experiments for users new to gas exchange measurements.
Focuses on characterizing a community by measuring many leaves quickly.
Explains how photosynthesis is driven by light and measures this relationship.
Details how to generate CO2 response curves.
Explains the purpose of matching to remove offsets between sample and reference analyzers.
Discusses system variables that help in monitoring stability and ensuring meaningful data.
Identifies two types of leaks: bulk flow and diffusion, and their implications.
Covers air supply, light source, dealing with low rates, humidifying air, and controlling low flow rates.
Describes common interface tools like dialogs, menus, and single-line editors used in the LI-6400.
Lists special key combinations that always work regardless of context.
Explains the low battery warning system and how to manage operation.
Details the human interface of the lowest level program in the LI-6400.
Represents the user interface to the LPL operating system.
Explains how up to 12 variables can be viewed at once on the display in New Measurements mode.
Provides a graphical method of monitoring recent activity.
Discusses mechanisms and options for controlling chamber conditions.
Explains how humidity control is managed through manual and software-controlled flow.
Details CO2 control options, including manual regulation and using the 6400-01 CO2 Mixer.
Explains temperature control via Peltier devices and options for block or leaf temperature.
Describes control options for LED sources, including quantum flux and tracking ambient light.
Explains the purpose and placement of external and internal quantum sensors for accurate irradiance measurement.
Covers configuration parameters related to light source and sensor, including calibration and energy balance.
Discusses spectral output, temperature effects, aging, and in-chamber light measurement for LED sources.
Details the spectral response, nonlinearities, and calibration of the GaAsP sensor.
Explains the LI-6400's open system nature and the flexibility in choosing what and how data is logged.
Guides through initiating logging by opening a log file and specifying destination.
Explains the role of LogList and Logging Control in defining logged quantities and their arrangement.
Covers defining user-entered constants and remarks as columns in data files.
Introduces AutoPrograms as LPL application programs for automatic operation, control, and data logging.
Details several default AutoPrograms like A-CiCurve, AutoLog, and LightCurve.
Explains how to create custom AutoPrograms using the AutoProgram Builder tool.
Describes the LI-6400's file system structure, partitioning storage into disks, directories, and files.
Explains the process of defragmenting disks to reclaim space occupied by inactive files.
Introduces the Filer as a general-purpose tool for managing files, directories, and disks.
Details operations for viewing, creating, and removing directories.
Covers viewing file header information, subsets of files, editing, tagging, copying, moving, renaming, printing, and executing files.
Explains operations for checking space availability and formatting disks.
Addresses issues like out of disk space and problems with the hidden disk.
Explains methods for moving files between the LI-6400 and a computer.
Details the necessary cables and connections for computer communication.
Describes the three methods to enter File Exchange Mode for data transfer.
Covers the Windows version of FX for file transfer, including installation and examples.
Details the original file transfer method for DOS, including installation and examples.
Explains FX for Macintosh, including file transfer and program comments.
Introduces EW as a command-line version of FX for copying files and directories, useful for batch files.
Covers text vs. binary files and file name considerations.
Explains configuring non-standard serial ports for EW or FX/DOS.
Discusses using generic serial communications programs and setting communication parameters.
Provides multiple ways to access GraphIt, including from the Filer, OPEN, and Utility Menu.
Explains the expected structure of data files for GraphIt, including rows, columns, and label lines.
Details methods for defining plots, using QuikPik Config and Edit Config.
Describes tools for selecting data subsets, including first/last lines, every nth line, and logic-based inclusion.
Covers capabilities for fitting curves, including straight lines and polynomials.
Explains how to view data file contents in different formats (stored, columns, or graphed).
Details the format of plot definition files.
Explains how to store and retrieve graphics images, noting they are binary files.
Outlines reasons for recomputing data, such as changing leaf area or computed variables.
Explains common reasons for recomputing data, including leaf area, stored variables, and computed quantities.
Provides a practical example of recomputing a file with corrected leaf area and stomatal ratio.
Describes the main screen of the recompute program and its entries.
Offers tips on suppressing variable recomputation and handling multiple appended files.
Explains the configuration scheme and the role of configuration helpers like Installation Menu and Config Editor.
Defines key terms like configuration files, commands, and master/user files.
Details methods for building configuration files using the Installation Menu and Config Editor.
Explains the process of installing sensors and building configurations via the Installation Menu.
Covers modifying configuration files using various tools like Config Status and Config Editor.
Explains how to reset configurations to factory defaults or user-defined settings.
Lists and explains configuration commands used in configuration files.
Introduces the concept of using energy balance to determine leaf temperature and boundary layer conductance.
Explains the energy balance equation and its components: net radiation, sensible heat flux, and latent heat flux.
Details how to implement energy balance computations using the Installation Menu and ComputeLists.
Discusses measuring boundary layer conductance using filter paper and applying energy balance analysis.
Lists references for further study on related topics.
Discusses the importance of calibration for sensor accuracy and data quality.
Covers factory calibration, user calibration (zero and span), and procedures for setting CO2 and H2O zeros.
Details factory calibration and zeroing procedures for the flow meter.
Explains how to view, store, and revert IRGA and flow meter zero and span settings.
Describes the process of zeroing the leaf temperature thermocouple.
Covers calibration procedures for the CO2 mixer.
Details calibration procedures for LED light sources.
Explains factory calibration and generating calibration corrections for GaAsP sensors.
Provides a summary of calibration and configuration files, including /dev files and the Configs directory.
A general overview of maintenance and service tasks for the LI-6400.
Covers maintenance for chemical tubes, including removing, cleaning threads, replacing air mufflers, and using Drierite and soda lime.
Details charging, storing, and replacing the battery fuse for the 6400-03 batteries.
Explains cleaning the console, opening it, and replacing the air filter and fuses.
Discusses real-time clock battery replacement and troubleshooting.
Covers maintenance for cables, including insulation and replacing connector screws.
Details handle maintenance, latch mechanism, return spring, and handle removal.
Highlights the importance of foam gaskets for LED sources and their replacement.
Explains how to unstick the match valve and provides procedures for cleaning pads and holes.
Covers maintenance of chemical bottles and cleaning the optical bench mirrors and windows.
Provides instructions for oil filter replacement and servicing the mixer.
Offers tips for safely transporting the LI-6400 in its shipping case.
Lists part numbers for various components.
Provides a comprehensive guide to troubleshooting various issues encountered with the LI-6400.
Addresses issues related to the instrument not powering on or restarting automatically.
Discusses problems with the real-time clock not keeping time or displaying a "Clock Stopped" message.
Explains various warning messages that can appear in New Measurements mode and their meanings.
Guides users on how to identify and troubleshoot unreasonable measurement values for photosynthesis, conductance, etc.
Addresses issues related to pump and flow control, including inability to achieve high flow rates.
Covers problems with IRGAs, including "IRGAs Not Ready" messages and unresponsive IRGAs.
Discusses issues related to the match valve, such as "CO2 has Changed" messages and the valve not moving.
Details common problems with the CO2 mixer, including staying at zero, instability, and cartridge issues.
Addresses issues related to the light source and sensors, such as no lamp control or PAR sensor reading negative.
Covers problems related to the chamber, including the mixing fan and connector issues.
Provides guidance on identifying and fixing leaks in the sensor head and console.
Addresses specific problems related to the soil chamber, such as the pump not running or CO2 not drawing down.
Includes information on the diagnostic display and AGC voltages.
Lists diagnostic and utility programs available on the LI-6400.
Details programs within the Diagnostics and Tests Menu, such as CO2 Mixer Test and Match Valve Tester.
Lists utility programs in the /sys/utility directory, including Control Panel and ENERGYBAL.
Introduces LPL as a language for data collection and manipulation on the LI-6400.
Provides a general overview of LPL, its applications, and capabilities.
Explains how to declare objects (variables, arrays) in LPL programs.
Details the structure and use of functions, including the Main function and the stack.
Explains the concept of pointers, PTR arrays, and their uses in LPL.
Discusses object scope and how to declare public variables.
Summarizes general-purpose compiler directives.
An introduction to the LI-6400’s programming language.
Covers basic stack manipulation tools like FLUSH, DUP, SWAP, DROP, and ROT.
Explains basic flow control using IF…ELSE…THEN and LOOP…ENDLOOP structures.
Details various methods for manipulating arrays, including equating, mathematical operators, and I/O tools.
Lists and describes mathematical functions available in LPL for numerical operations.
Covers tools for controlling the text display, including windows and cursor attributes.
Explains how LPL interacts with the keyboard, including behavior and key codes.
Describes LPL's support for real-time clock functions and time conversions.
Introduces event handling for managing user keystrokes, I/O data, and timer interrupts.
Explains how to define and use function keys (softkeys) for user interface control.
Covers tools for moving information to and from devices via paths, including file and comm port operations.
Describes the LI-6400's hierarchical file system structure, controls for files, directories, and disks.
Details tools for creating and customizing menus and editors in LPL.
Covers LPL's graphics tools for drawing, plotting, and handling images.
Explains tools for dealing with the Comm Port and setting communication parameters.
Describes capabilities for analog measurements, including groups, channels, and setting up measurements.
Provides tools for controlling D/A converters.
Covers keywords for digital input and output operations, including ports, pins, and counters.
Lists tools for running LPL programs from other LPL programs, including RUN, COMPILE, and DEBUG.
Discusses LPL keywords related to battery status and power control.
A summary of LPL keywords and their descriptions.
Provides syntax summaries for LPL type declarations and compiler directives.
Explains LPL keywords, stack requirements, and conventions for describing them.
Contains a detailed reference of LPL keywords, including their initial and final parameters.
Explains the concept of AutoPrograms and how to make them do specific tasks.
Details the structure and format of AutoPrograms.
Provides listings and descriptions of standard AutoPrograms like AutoLog and LightCurve.
Lists and describes useful commands for controlling AutoPrograms.
Explains how AutoPrograms interact with the Control Manager and variable tracking.
Covers general control functions for hardware components like flow, mixer, coolers, and fans.
An introductory section on customizing OPEN, focusing on the Patch= command.
Explains how to add a Patch= command to a configuration file for modifying system variables.
Lists variables useful for modifying A/D behavior and New Measurements settings.
Discusses hooks, which allow users to substitute their own functions for default actions at strategic points.
Explains the new style ComputeList files and how to generate them from old styles.
Details how to use spare analog and digital input/output channels for custom applications.
Covers controlling digital output channels using the DIOSET command.
Explains how to use digital input channels for detecting switch closures or counting pulses.
Describes the pulse counting channel and how to connect it.
Lists the pin assignments for the LI-6400 console's 37-pin connector.
Details quantities defined, computed, and maintained by OPEN, referred to as System Variables.
Explains how the ComputeList File can be used to make extra user-defined constants and remarks.
Describes ComputeLists as files containing variables and constants, stored in /User/Configs/Comps.
Details the required format for items in a ComputeList file, including ID number, format code, label, and equation.
Covers options for editing ComputeList files, including using the system editor or writing a new file.
Explains how to define numerical user constants using UCON() and string remarks using UREM().
Provides examples of defining user variables, such as water use efficiency.
Lists useful functions and operators for LPL programming.
Shows the default ComputeList, illustrating equations for photosynthesis, conductance, etc.
Discusses the differences between old and new style ComputeList formats, and the advantages of the new style.
Explains the configuration scheme and the role of configuration helpers like Installation Menu and Config Editor.
Defines key terms like configuration files, commands, and master/user files.
Details methods for building configuration files using the Installation Menu and Config Editor.
Explains the process of installing sensors and building configurations via the Installation Menu.
Covers modifying configuration files using various tools like Config Status and Config Editor.
Explains how to reset configurations to factory defaults or user-defined settings.
Lists and explains configuration commands used in configuration files.
Introduces the concept of using energy balance to determine leaf temperature and boundary layer conductance.
Explains the energy balance equation and its components: net radiation, sensible heat flux, and latent heat flux.
Details how to implement energy balance computations using the Installation Menu and ComputeLists.
Discusses measuring boundary layer conductance using filter paper and applying energy balance analysis.
Lists references for further study on related topics.
Discusses the importance of calibration for sensor accuracy and data quality.
Covers factory calibration, user calibration (zero and span), and procedures for setting CO2 and H2O zeros.
Details factory calibration and zeroing procedures for the flow meter.
Explains how to view, store, and revert IRGA and flow meter zero and span settings.
Describes the process of zeroing the leaf temperature thermocouple.
Covers calibration procedures for the CO2 mixer.
Details calibration procedures for LED light sources.
Explains factory calibration and generating calibration corrections for GaAsP sensors.
Provides a summary of calibration and configuration files, including /dev files and the Configs directory.
A general overview of maintenance and service tasks for the LI-6400.
Covers maintenance for chemical tubes, including removing, cleaning threads, replacing air mufflers, and using Drierite and soda lime.
Details charging, storing, and replacing the battery fuse for the 6400-03 batteries.
Explains cleaning the console, opening it, and replacing the air filter and fuses.
Discusses real-time clock battery replacement and troubleshooting.
Covers maintenance for cables, including insulation and replacing connector screws.
Details handle maintenance, latch mechanism, return spring, and handle removal.
Highlights the importance of foam gaskets for LED sources and their replacement.
Explains how to unstick the match valve and provides procedures for cleaning pads and holes.
Covers maintenance of chemical bottles and cleaning the optical bench mirrors and windows.
Provides instructions for oil filter replacement and servicing the mixer.
Offers tips for safely transporting the LI-6400 in its shipping case.
Lists part numbers for various components.
Provides a comprehensive guide to troubleshooting various issues encountered with the LI-6400.
Addresses issues related to the instrument not powering on or restarting automatically.
Discusses problems with the real-time clock not keeping time or displaying a "Clock Stopped" message.
Explains various warning messages that can appear in New Measurements mode and their meanings.
Guides users on how to identify and troubleshoot unreasonable measurement values for photosynthesis, conductance, etc.
Addresses issues related to pump and flow control, including inability to achieve high flow rates.
Covers problems with IRGAs, including "IRGAs Not Ready" messages and unresponsive IRGAs.
Discusses issues related to the match valve, such as "CO2 has Changed" messages and the valve not moving.
Details common problems with the CO2 mixer, including staying at zero, instability, and cartridge issues.
Addresses issues related to the light source and sensors, such as no lamp control or PAR sensor reading negative.
Covers problems related to the chamber, including the mixing fan and connector issues.
Provides guidance on identifying and fixing leaks in the sensor head and console.
Addresses specific problems related to the soil chamber, such as the pump not running or CO2 not drawing down.
Includes information on the diagnostic display and AGC voltages.
Lists diagnostic and utility programs available on the LI-6400.
Details programs within the Diagnostics and Tests Menu, such as CO2 Mixer Test and Match Valve Tester.
Lists utility programs in the /sys/utility directory, including Control Panel and ENERGYBAL.
Introduces LPL as a language for data collection and manipulation on the LI-6400.
Provides a general overview of LPL, its applications, and capabilities.
Explains how to declare objects (variables, arrays) in LPL programs.
Details the structure and use of functions, including the Main function and the stack.
Explains the concept of pointers, PTR arrays, and their uses in LPL.
Discusses object scope and how to declare public variables.
Summarizes general-purpose compiler directives.
An introduction to the LI-6400’s programming language.
Covers basic stack manipulation tools like FLUSH, DUP, SWAP, DROP, and ROT.
Explains basic flow control using IF…ELSE…THEN and LOOP…ENDLOOP structures.
Details various methods for manipulating arrays, including equating, mathematical operators, and I/O tools.
Lists and describes mathematical functions available in LPL for numerical operations.
Covers tools for controlling the text display, including windows and cursor attributes.
Explains how LPL interacts with the keyboard, including behavior and key codes.
Describes LPL's support for real-time clock functions and time conversions.
Introduces event handling for managing user keystrores, I/O data, and timer interrupts.
Explains how to define and use function keys (softkeys) for user interface control.
Covers tools for moving information to and from devices via paths, including file and comm port operations.
Describes the LI-6400's hierarchical file system structure, controls for files, directories, and disks.
Details tools for creating and customizing menus and editors in LPL.
Covers LPL's graphics tools for drawing, plotting, and handling images.
Explains tools for dealing with the Comm Port and setting communication parameters.
Describes capabilities for analog measurements, including groups, channels, and setting up measurements.
Provides tools for controlling D/A converters.
Covers keywords for digital input and output operations, including ports, pins, and counters.
Lists tools for running LPL programs from other LPL programs, including RUN, COMPILE, and DEBUG.
Discusses LPL keywords related to battery status and power control.
A summary of LPL keywords and their descriptions.
Provides syntax summaries for LPL type declarations and compiler directives.
Explains LPL keywords, stack requirements, and conventions for describing them.
Contains a detailed reference of LPL keywords, including their initial and final parameters.
Explains the concept of AutoPrograms and how to make them do specific tasks.
Details the structure and format of AutoPrograms.
Provides listings and descriptions of standard AutoPrograms like AutoLog and LightCurve.
Lists and describes useful commands for controlling AutoPrograms.
Explains how AutoPrograms interact with the Control Manager and variable tracking.
Covers general control functions for hardware components like flow, mixer, coolers, and fans.
An introductory section on customizing OPEN, focusing on the Patch= command.
Explains how to add a Patch= command to a configuration file for modifying system variables.
Lists variables useful for modifying A/D behavior and New Measurements settings.
Discusses hooks, which allow users to substitute their own functions for default actions at strategic points.
Explains the new style ComputeList files and how to generate them from old styles.
Details how to use spare analog and digital input/output channels for custom applications.
Covers controlling digital output channels using the DIOSET command.
Explains how to use digital input channels for detecting switch closures or counting pulses.
Describes the pulse counting channel and how to connect it.
Lists the pin assignments for the LI-6400 console's 37-pin connector.
Discusses calibration requirements for various sensors and accessories, including user and factory calibration procedures.
Provides a comprehensive guide to troubleshooting various issues encountered with the LI-6400.
Addresses issues related to the instrument not powering on or restarting automatically.
Discusses problems with the real-time clock not keeping time or displaying a "Clock Stopped" message.
Explains various warning messages that can appear in New Measurements mode and their meanings.
Guides users on how to identify and troubleshoot unreasonable measurement values for photosynthesis, conductance, etc.
Addresses issues related to pump and flow control, including inability to achieve high flow rates.
Covers problems with IRGAs, including "IRGAs Not Ready" messages and unresponsive IRGAs.
Discusses issues related to the match valve, such as "CO2 has Changed" messages and the valve not moving.
Details common problems with the CO2 mixer, including staying at zero, instability, and cartridge issues.
Addresses issues related to the light source and sensors, such as no lamp control or PAR sensor reading negative.
Covers problems related to the chamber, including the mixing fan and connector issues.
Provides guidance on identifying and fixing leaks in the sensor head and console.
Addresses specific problems related to the soil chamber, such as the pump not running or CO2 not drawing down.
Includes information on the diagnostic display and AGC voltages.
An introduction to the LI-6400’s programming language.
An introduction to the LI-6400’s programming language.
Covers basic stack manipulation tools like FLUSH, DUP, SWAP, DROP, and ROT.
Explains basic flow control using IF…ELSE…THEN and LOOP…ENDLOOP structures.
Details various methods for manipulating arrays, including equating, mathematical operators, and I/O tools.
Lists and describes mathematical functions available in LPL for numerical operations.
Covers tools for controlling the text display, including windows and cursor attributes.
Explains how LPL interacts with the keyboard, including behavior and key codes.
Describes LPL's support for real-time clock functions and time conversions.
Introduces event handling for managing user keystrokes, I/O data, and timer interrupts.
Explains how to define and use function keys (softkeys) for user interface control.
Covers tools for moving information to and from devices via paths, including file and comm port operations.
Describes the LI-6400's hierarchical file system structure, controls for files, directories, and disks.
Details tools for creating and customizing menus and editors in LPL.
Covers LPL's graphics tools for drawing, plotting, and handling images.
Explains tools for dealing with the Comm Port and setting communication parameters.
Describes capabilities for analog measurements, including groups, channels, and setting up measurements.
Provides tools for controlling D/A converters.
Covers keywords for digital input and output operations, including ports, pins, and counters.
Lists tools for running LPL programs from other LPL programs, including RUN, COMPILE, and DEBUG.
Discusses LPL keywords related to battery status and power control.
A summary of LPL keywords and their descriptions.
Provides syntax summaries for LPL type declarations and compiler directives.
Explains LPL keywords, stack requirements, and conventions for describing them.
Contains a detailed reference of LPL keywords, including their initial and final parameters.
Explains the concept of AutoPrograms and how to make them do specific tasks.
Details the structure and format of AutoPrograms.
Provides listings and descriptions of standard AutoPrograms like AutoLog and LightCurve.
Lists and describes useful commands for controlling AutoPrograms.
Explains how AutoPrograms interact with the Control Manager and variable tracking.
Covers general control functions for hardware components like flow, mixer, coolers, and fans.
An introductory section on customizing OPEN, focusing on the Patch= command.
Explains how to add a Patch= command to a configuration file for modifying system variables.
Lists variables useful for modifying A/D behavior and New Measurements settings.
Discusses hooks, which allow users to substitute their own functions for default actions at strategic points.
Explains the new style ComputeList files and how to generate them from old styles.
Details how to use spare analog and digital input/output channels for custom applications.
Covers controlling digital output channels using the DIOSET command.
Explains how to use digital input channels for detecting switch closures or counting pulses.
Describes the pulse counting channel and how to connect it.
Lists the pin assignments for the LI-6400 console's 37-pin connector.
Describes the LI-6400's file system structure, partitioning storage into disks, directories, and files.
Outlines reasons for recomputing data, such as changing leaf area or computed variables.
Explains common reasons for recomputing data, including leaf area, stored variables, and computed quantities.
Provides a practical example of recomputing a file with corrected leaf area and stomatal ratio.
Describes the main screen of the recompute program and its entries.
Offers tips on suppressing variable recomputation and handling multiple appended files.
Explains the configuration scheme and the role of configuration helpers like Installation Menu and Config Editor.
Defines key terms like configuration files, commands, and master/user files.
Details methods for building configuration files using the Installation Menu and Config Editor.
Explains the process of installing sensors and building configurations via the Installation Menu.
Covers modifying configuration files using various tools like Config Status and Config Editor.
Explains how to reset configurations to factory defaults or user-defined settings.
Lists and explains configuration commands used in configuration files.
Introduces the concept of using energy balance to determine leaf temperature and boundary layer conductance.
Explains the energy balance equation and its components: net radiation, sensible heat flux, and latent heat flux.
Details how to implement energy balance computations using the Installation Menu and ComputeLists.
Discusses measuring boundary layer conductance using filter paper and applying energy balance analysis.
Lists references for further study on related topics.
Discusses the importance of calibration for sensor accuracy and data quality.
Covers factory calibration, user calibration (zero and span), and procedures for setting CO2 and H2O zeros.
Details factory calibration and zeroing procedures for the flow meter.
Explains how to view, store, and revert IRGA and flow meter zero and span settings.
Describes the process of zeroing the leaf temperature thermocouple.
Covers calibration procedures for the CO2 mixer.
Details calibration procedures for LED light sources.
Explains factory calibration and generating calibration corrections for GaAsP sensors.
Provides a summary of calibration and configuration files, including /dev files and the Configs directory.
A general overview of maintenance and service tasks for the LI-6400.
Covers maintenance for chemical tubes, including removing, cleaning threads, replacing air mufflers, and using Drierite and soda lime.
Details charging, storing, and replacing the battery fuse for the 6400-03 batteries.
Explains cleaning the console, opening it, and replacing the air filter and fuses.
Discusses real-time clock battery replacement and troubleshooting.
Covers maintenance for cables, including insulation and replacing connector screws.
Details handle maintenance, latch mechanism, return spring, and handle removal.
Highlights the importance of foam gaskets for LED sources and their replacement.
Explains how to unstick the match valve and provides procedures for cleaning pads and holes.
Covers maintenance of chemical bottles and cleaning the optical bench mirrors and windows.
Provides instructions for oil filter replacement and servicing the mixer.
Offers tips for safely transporting the LI-6400 in its shipping case.
Lists part numbers for various components.
Provides a comprehensive guide to troubleshooting various issues encountered with the LI-6400.
Addresses issues related to the instrument not powering on or restarting automatically.
Discusses problems with the real-time clock not keeping time or displaying a "Clock Stopped" message.
Explains various warning messages that can appear in New Measurements mode and their meanings.
Guides users on how to identify and troubleshoot unreasonable measurement values for photosynthesis, conductance, etc.
Addresses issues related to pump and flow control, including inability to achieve high flow rates.
Covers problems with IRGAs, including "IRGAs Not Ready" messages and unresponsive IRGAs.
Discusses issues related to the match valve, such as "CO2 has Changed" messages and the valve not moving.
Details common problems with the CO2 mixer, including staying at zero, instability, and cartridge issues.
Addresses issues related to the light source and sensors, such as no lamp control or PAR sensor reading negative.
Covers problems related to the chamber, including the mixing fan and connector issues.
Provides guidance on identifying and fixing leaks in the sensor head and console.
Addresses specific problems related to the soil chamber, such as the pump not running or CO2 not drawing down.
Includes information on the diagnostic display and AGC voltages.
An introduction to the LI-6400’s programming language.
An introduction to the LI-6400’s programming language.
Covers basic stack manipulation tools like FLUSH, DUP, SWAP, DROP, and ROT.
Explains basic flow control using IF…ELSE…THEN and LOOP…ENDLOOP structures.
Details various methods for manipulating arrays, including equating, mathematical operators, and I/O tools.
Lists and describes mathematical functions available in LPL for numerical operations.
Covers tools for controlling the text display, including windows and cursor attributes.
Explains how LPL interacts with the keyboard, including behavior and key codes.
Describes LPL's support for real-time clock functions and time conversions.
Introduces event handling for managing user keystrokes, I/O data, and timer interrupts.
Explains how to define and use function keys (softkeys) for user interface control.
Covers tools for moving information to and from devices via paths, including file and comm port operations.
Describes the LI-6400's hierarchical file system structure, controls for files, directories, and disks.
Details tools for creating and customizing menus and editors in LPL.
Covers LPL's graphics tools for drawing, plotting, and handling images.
Explains tools for dealing with the Comm Port and setting communication parameters.
Describes capabilities for analog measurements, including groups, channels, and setting up measurements.
Provides tools for controlling D/A converters.
Covers keywords for digital input and output operations, including ports, pins, and counters.
Lists tools for running LPL programs from other LPL programs, including RUN, COMPILE, and DEBUG.
Discusses LPL keywords related to battery status and power control.
A summary of LPL keywords and their descriptions.
Provides syntax summaries for LPL type declarations and compiler directives.
Explains LPL keywords, stack requirements, and conventions for describing them.
Contains a detailed reference of LPL keywords, including their initial and final parameters.
Explains the concept of AutoPrograms and how to make them do specific tasks.
Details the structure and format of AutoPrograms.
Provides listings and descriptions of standard AutoPrograms like AutoLog and LightCurve.
Lists and describes useful commands for controlling AutoPrograms.
Explains how AutoPrograms interact with the Control Manager and variable tracking.
Covers general control functions for hardware components like flow, mixer, coolers, and fans.
An introductory section on customizing OPEN, focusing on the Patch= command.
Explains how to add a Patch= command to a configuration file for modifying system variables.
Lists variables useful for modifying A/D behavior and New Measurements settings.
Discusses hooks, which allow users to substitute their own functions for default actions at strategic points.
Explains the new style ComputeList files and how to generate them from old styles.
Details how to use spare analog and digital input/output channels for custom applications.
Covers controlling digital output channels using the DIOSET command.
Explains how to use digital input channels for detecting switch closures or counting pulses.
Describes the pulse counting channel and how to connect it.
Lists the pin assignments for the LI-6400 console's 37-pin connector.
Describes the LI-6400's file system structure, partitioning storage into disks, directories, and files.
Outlines reasons for recomputing data, such as changing leaf area or computed variables.
Explains common reasons for recomputing data, including leaf area, stored variables, and computed quantities.
Provides a practical example of recomputing a file with corrected leaf area and stomatal ratio.
Describes the main screen of the recompute program and its entries.
Offers tips on suppressing variable recomputation and handling multiple appended files.
Explains the configuration scheme and the role of configuration helpers like Installation Menu and Config Editor.
Defines key terms like configuration files, commands, and master/user files.
Details methods for building configuration files using the Installation Menu and Config Editor.
Explains the process of installing sensors and building configurations via the Installation Menu.
Covers modifying configuration files using various tools like Config Status and Config Editor.
Explains how to reset configurations to factory defaults or user-defined settings.
Lists and explains configuration commands used in configuration files.
Introduces the concept of using energy balance to determine leaf temperature and boundary layer conductance.
Explains the energy balance equation and its components: net radiation, sensible heat flux, and latent heat flux.
Details how to implement energy balance computations using the Installation Menu and ComputeLists.
Discusses measuring boundary layer conductance using filter paper and applying energy balance analysis.
Lists references for further study on related topics.
Discusses the importance of calibration for sensor accuracy and data quality.
Covers factory calibration, user calibration (zero and span), and procedures for setting CO2 and H2O zeros.
Details factory calibration and zeroing procedures for the flow meter.
Explains how to view, store, and revert IRGA and flow meter zero and span settings.
Describes the process of zeroing the leaf temperature thermocouple.
Covers calibration procedures for the CO2 mixer.
Details calibration procedures for LED light sources.
Explains factory calibration and generating calibration corrections for GaAsP sensors.
Provides a summary of calibration and configuration files, including /dev files and the Configs directory.
A general overview of maintenance and service tasks for the LI-6400.
Covers maintenance for chemical tubes, including removing, cleaning threads, replacing air mufflers, and using Drierite and soda lime.
Details charging, storing, and replacing the battery fuse for the 6400-03 batteries.
Explains cleaning the console, opening it, and replacing the air filter and fuses.
Discusses real-time clock battery replacement and troubleshooting.
Covers maintenance for cables, including insulation and replacing connector screws.
Details handle maintenance, latch mechanism, return spring, and handle removal.
Highlights the importance of foam gaskets for LED sources and their replacement.
Explains how to unstick the match valve and provides procedures for cleaning pads and holes.
Covers maintenance of chemical bottles and cleaning the optical bench mirrors and windows.
Provides instructions for oil filter replacement and servicing the mixer.
Offers tips for safely transporting the LI-6400 in its shipping case.
Lists part numbers for various components.
Provides a comprehensive guide to troubleshooting various issues encountered with the LI-6400.
Addresses issues related to the instrument not powering on or restarting automatically.
Discusses problems with the real-time clock not keeping time or displaying a "Clock Stopped" message.
Explains various warning messages that can appear in New Measurements mode and their meanings.
Guides users on how to identify and troubleshoot unreasonable measurement values for photosynthesis, conductance, etc.
Addresses issues related to pump and flow control, including inability to achieve high flow rates.
Covers problems with IRGAs, including "IRGAs Not Ready" messages and unresponsive IRGAs.
Discusses issues related to the match valve, such as "CO2 has Changed" messages and the valve not moving.
Details common problems with the CO2 mixer, including staying at zero, instability, and cartridge issues.
Addresses issues related to the light source and sensors, such as no lamp control or PAR sensor reading negative.
Covers problems related to the chamber, including the mixing fan and connector issues.
Provides guidance on identifying and fixing leaks in the sensor head and console.
Addresses specific problems related to the soil chamber, such as the pump not running or CO2 not drawing down.
Includes information on the diagnostic display and AGC voltages.
An introduction to the LI-6400’s programming language.
An introduction to the LI-6400’s programming language.
Covers basic stack manipulation tools like FLUSH, DUP, SWAP, DROP, and ROT.
Explains basic flow control using IF…ELSE…THEN and LOOP…ENDLOOP structures.
Details various methods for manipulating arrays, including equating, mathematical operators, and I/O tools.
Lists and describes mathematical functions available in LPL for numerical operations.
Covers tools for controlling the text display, including windows and cursor attributes.
Explains how LPL interacts with the keyboard, including behavior and key codes.
Describes LPL's support for real-time clock functions and time conversions.
Introduces event handling for managing user keystrokes, I/O data, and timer interrupts.
Explains how to define and use function keys (softkeys) for user interface control.
Covers tools for moving information to and from devices via paths, including file and comm port operations.
Describes the LI-6400's hierarchical file system structure, controls for files, directories, and disks.
Details tools for creating and customizing menus and editors in LPL.
Covers LPL's graphics tools for drawing, plotting, and handling images.
Explains tools for dealing with the Comm Port and setting communication parameters.
Describes capabilities for analog measurements, including groups, channels, and setting up measurements.
Provides tools for controlling D/A converters.
Covers keywords for digital input and output operations, including ports, pins, and counters.
Lists tools for running LPL programs from other LPL programs, including RUN, COMPILE, and DEBUG.
Discusses LPL keywords related to battery status and power control.
A summary of LPL keywords and their descriptions.
Provides syntax summaries for LPL type declarations and compiler directives.
Explains LPL keywords, stack requirements, and conventions for describing them.
Contains a detailed reference of LPL keywords, including their initial and final parameters.
Explains the concept of AutoPrograms and how to make them do specific tasks.
Details the structure and format of AutoPrograms.
Provides listings and descriptions of standard AutoPrograms like AutoLog and LightCurve.
Lists and describes useful commands for controlling AutoPrograms.
Explains how AutoPrograms interact with the Control Manager and variable tracking.
Covers general control functions for hardware components like flow, mixer, coolers, and fans.
An introductory section on customizing OPEN, focusing on the Patch= command.
Explains how to add a Patch= command to a configuration file for modifying system variables.
Lists variables useful for modifying A/D behavior and New Measurements settings.
Discusses hooks, which allow users to substitute their own functions for default actions at strategic points.
Explains the new style ComputeList files and how to generate them from old styles.
Details how to use spare analog and digital input/output channels for custom applications.
Covers controlling digital output channels using the DIOSET command.
Explains how to use digital input channels for detecting switch closures or counting pulses.
Describes the pulse counting channel and how to connect it.
Lists the pin assignments for the LI-6400 console's 37-pin connector.
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