1

Getting Started

What’s What

Theory

2

Introduction to the Instrument

Control Unit

Optical Sensor

Maintenance

Replacing the Internal Battery

Software and Firmware Updates

3

Basics of the LAI-2200C

Power ON and OFF

Console Auto-off Timer

Monitor Mode Navigation

Basic Menu Navigation

Setting the Clock

Calibration and Match Values

Overview of Configurations

Logging Configurations

Connecting Quantum Sensors

Making Basic Measurements

Global Positioning System

About Data Files

4

Measurement Guidelines

Where to Measure?

How Many B Readings?

Using View Caps

Measuring on Slopes

Bad Readings

Foliage Size

5

Dealing with Sky Conditions

Clouds

Sun

Multiple-Sensor Operation Revisited

Protocol Suggestions for Direct Sun

Some Esoteric Details

6

Canopy Types

Measuring Plant Canopies

Measuring Isolated Plants

7

Data Analysis with FV2200

Getting FV2200

Software Updates

Main Window

Basic Tasks

Computing LAI

8

Examples and Procedures

Example 1 - One Sensor Measurement without scattering correction

Example 2 - One Sensor Measurement with Scattering Correction

Example 3 - Two Sensor Measurement without scattering correction

Example 4 - Forest Sites with One Sensor (and Control Unit)

Example 5 - Forest Sites with One Sensor (without Control Unit)

Example 6 - A Simple Isolated Canopy

Example 7 - Isolated Tree

Example 8 - Isolated Row 1

Example 9 - Isolated Row 2

8.1

1.0 Preoperation Procedures

Procedure 1.1 - Setting the Console Clock Manually

Procedure 1.2 - Setting the Console Clock from GPS

Procedure 1.3 - Setting the Wand Clock Manually

Procedure 1.4 - Synchronizing Wand and Console Clock

Procedure 1.5 - Resetting Wand to Factory Calibration

Procedure 1.6 - Deleting Records From a Wand

Procedure 1.7 - Setting Prompts

Procedure 1.8 - Build a Match File for Two Sensors (Match Method 1)

Procedure 1.9 - Build a Match File for More than Two Sensors (Match Method 1)

Procedure 1.10 - Enabling a Quantum Sensor

Procedure 1.11 - The Canopy Gap Test

8.2

2.0 Field Operation Procedures

Procedure 2.1 - Making Two Wands Match - Console Matching

Procedure 2.2 - Opening a New Data File

Procedure 2.3 - Import to an Existing Data File

Procedure 2.4 - Setting up a Controlled Logging Sequence

Procedure 2.5 - Creating a Match File for Match Method 2

Procedure 2.6 - Logging a 4A or 3A Sequence

Procedure 2.7 - Automatic Logging - Wand

Procedure 2.8 - Automatic Logging - Console

Procedure 2.9 - Importing A Records - Console

Procedure 2.10 - Excluding Rings from Analysis - Console

Procedure 2.11 - Interpolating A Records - Console

Procedure 2.12 - Getting K Records on an Above Sensor

Procedure 2.13 - Moving Wand Data to the Console

Procedure 2.14 - Measuring Leaf Transmittance and Reflectance

8.3

3.0 Post Operation Procedures

Procedure 3.1 - Moving Data to a Computer

Procedure 3.2 - LAI‑2000 File Transfer - RS-232

Procedure 3.3 - Loading Data Files into FV2200

Procedure 3.4 - Converting LAI‑2000 file to LAI-2200C

Procedure 3.5 - Excluding Rings from Analysis - FV2200

Procedure 3.6 - Interpolating A Records - FV2200

Procedure 3.7 - Recomputing a Data File - Console

Procedure 3.8 - Import A and Adjust A Records - FV2200

Procedure 3.9 - Generating K records from Sequences

Procedure 3.10 - Importing K Records

Procedure 3.11 - Set Scattering Inputs for a Group of Files

Procedure 3.12 - Combining Multiple Files - FV2200

Procedure 3.13 - Determining LAI for each B record - FV2200

8.4

4.0 Miscellaneous Procedures

Procedure 4.1 - Sky Variability Test

9

Instrument Software Reference

10

Theory

Calculations

Alternative Methods

Scattering Correction

Derivation of Formulae for Determining # of B Readings

A

Troubleshooting

B

Specifications

C

References