LI-COR LI-6400 User manual

Using the LI-6400
Portable
Photosynthesis
System
¨-

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of LI-COR, Inc.
© Copyright 1998,1999, LI-COR, Inc.
Publication Number 9806-122
Printing History:
1st Printing July, 1998 - OPEN Software version 3.2
2nd Printing May, 1999 - OPEN Software version 3.3
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Printing History
New editions of this manual will incorporate all material since the previous editions. Update packages may be used
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(Minor corrections and updates which are incorporated at reprint do not cause the date to change).
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Using the LI-6400 iii
Contents
Contents
Welcome to the LI-6400
A Bit of History xi
About this Manual xiii
Part I: The Basics
1 System Description
What it is, what it does, and how it does it
An Open System 1-2
The Flow Schematic 1-4
Equation Summary 1-7
The System Components 1-12
2 Assembling the LI-6400
Putting it all together
Preparations 2-2
Using a Tripod 2-6
6400-01 CO2 Injector Installation 2-7
External Quantum Sensor Installation 2-14
6400-02B LED Light Source Installation 2-15
Powering the LI-6400 2-18
Installing System Software 2-19
3 Guided Tours
Learning how to make it work
Before You Start 3-2
Tour #1: OPEN Overview 3-4
Tour #2: New Measurements Mode Basics 3-14

Contents
iv Using the LI-6400
Tour #3: Controlling Chamber Conditions 3-20
Tour #4: Logging Data 3-41
Tour #5: Configuration Adventures 3-51
Tour #6: Boot Screen and LPL 3-59
4 Making Measurements
The fundamentals of good measurements
Preparation Check Lists 4-2
Some Simple Experiments 4-8
Making Survey Measurements 4-21
Light Response Curves 4-24
CO2 Response Curves 4-30
Matching the Analyzers 4-34
Stability Considerations 4-41
Leaks 4-42
Operational Hints 4-47
Answers to Questions 4-53
Part II: Useful Details
5 Standard Tools
Menus, Editors, and File Dialogs
Standard Menu 5-2
Standard Line Editor 5-5
Standard File Dialog 5-9
Standard Edit 5-13
Hot Keys 5-16
Low Battery Warning 5-17
The Boot Screen 5-18
The LPL Screen 5-20
Power ON Hooks 5-23
6 Real Time Data
Viewing real time data using text and graphics
Text Display 6-2
Real Time Graphics 6-8

Contents
Using the LI-6400 v
7 Environmental Control
How OPEN controls chamber conditions
OpenÕs Control Manager 7-2
Humidity Control 7-7
CO2 Control 7-13
Temperature Control 7-16
Light Control 7-18
8 Light Sensor Considerations
The most important parameter is the hardest to measure
Why Two Sensors? 8-2
Specifying the Source and Sensor 8-3
6400-02 and -02B Light Sources 8-6
Gallium Arsenide Phosphide (GaAsP) Sensor 8-7
9 Data Logging
Storing what you want, where you want, when you want
Basic Concepts 9-2
Getting Started 9-4
Determining What is Logged 9-7
Prompts and Remarks 9-12
AutoPrograms 9-18
AutoProgram Descriptions 9-21
Making Your Own AutoPrograms 9-33
Part III: Working With Files
10 The LPL File System
Managing your data storage space
Files, Directories, and Disks 10-2
Defragmentation 10-5
The Filer 10-6
FilerÕs Directory Operations 10-9
FilerÕs File Operations 10-11
FilerÕs Disk Operations 10-18
Troubleshooting 10-21