2. ADInstruments Advanced Features of LabChart
Name:

3. Overview Channel Calculations (Arithmetic, Derivative … )
Cyclic Measurements
Data Pad
Macros
Examples

4. LabChart Software Provides easy recording and data integrity
Real-time and offline powerful analysis features
Easy selection of settings and display options
Optional functionality with LabChart Modules and Extensions

5. Channel Calculations

6. Channel Calculations Arithmetic Derivative Integral Digital Filters
Smoothing
Cyclic Measurements

7. Channel Calculations Demonstration

8. Cyclic Measurements

9. Features of Cyclic Measurements
Feature in Channel Calculations
Used to analyze periodic waveforms
Real-time and offline analysis
Preprocesses the signal
Automated Cycle detection
Automated Calculation of Cyclic Parameters

10. Cyclic Measurements Setup Output Detection Settings
Detection Adjustments
Preview of Detected Cycles
Customizing Presets

11. Cyclic Measurement Demonstration

12. Data Pad

13. Features of Data Pad A spreadsheet used to log numerical recorded data
3 logging data options
Add to Data Pad
Adding a single data point
Adding a selection of data
Multiple Add to Data Pad
Adding multiple recorded data within a specified duration
Timed Add to Data Pad
Real-time adding of recorded data

14. Data Pad Demonstration

15. Macros

16. Features of Macros
A group of recorded LabChart commands, which can be executed with a single command
All recorded commands are played back in the exact sequence they were recorded
Help to speed up repetitive and tedious tasks
Automate recording and analysis of data

17. Macro Types Types of Macros Sampling (or Recording) Analysis
Combined Sampling & Analysis

18. Applications of Macros
Example Uses of Macros
Sampling
Change the settings for stimulation (Output 1, 2 or Isolated Stimulator)
Set up triggering
Save data as a new file
Provide a message or alert
Add comments

19. Applications of Macros
Example Uses of Macros
Analysis
Repeatedly log waveform parameters into the Data Pad
Print selected data (e.g. from the Zoom window)
Find comments and select data before, after or around the comment

20. Hints for Writing Macros
Write down all the steps involved (keep a copy in LabChart’s Notebook)
Break complex operations into several macros then combine them into one macro
Modify the steps of an existing macro to suit your needs
Use LabChart’s Online Help
Call or ADInstruments for help

21. Macro Demonstration

22. Find and Add all Peaks to Data Pad

23. Find and Add all Peaks to Data Pad
Macro menu
Start Recording
Command menu
Find: Select Go, Start of this block, Set active point, Find
Repeat While In Block
Find: Select Find Data, Next Arrow, Local Maxima, Single point Selection, Find
Add to Data Pad
End Repeat
Stop Recording and Name the macro

24. Continuous Saving - Recording

25. Data Categories and Types
Files
LabChart Data Files
LabChart Setting Files
Text (txt)
Excel (xls)
Data Blocks

26. Data Blocks

27. Limitations Data File (Max Size = 2 GB) Data Block (Max Size = 1 GB)
Stop Recording,
Save the File
Close the File
Start a New File
Data Block (Max Size = 1 GB)
Stop Recording
Save Data
Start Recording

28. Limitations Data File (Max Size = 2 GB) DB Example 1 DB Example 2 DB
(Max = 1 GB)
Continuous Recording
DB = Data Block

29. Sampling and Saving Sampling Saving Data Accuracy and Precision
File Size
Saving
Permanent Data Storage
Resets Data Block Capacity

30. Formula (Estimation)
Data Block Size = No. of Channels x Sampling Rate x Recording Duration x 2
Recording Duration = Data Block Size
No. of Channels x Sampling Rate x 2
Example
The maximum continuous recording duration for 3 channels, sampled
at 1k/s is:
Recording Duration = 1 GB/(3 x 1000/s x 2)
= seconds
= 46 hours

31. Formula (Estimation) Example
The maximum continuous recording duration for 3 channels, sampled
at 1k/s is:
Recording Duration = 1 GB/(3 x 1000/s x 2)
= 46 hours
Therefore if the Data Block was saved, you could then record
another new Data Block of similar duration.
File Recording Duration (2 Data Blocks) = 46 x 2
= 92 hours

32. Macro: Long Duration Recordings
Clearing
Data
Block
Resetting
Saving
Raw Data
Sampling
Data Block
Temp File
New Unique File
File01.adicht
File02.adicht
File03.adicht

33. Programming Long Duration Recordings using Macros
Sample
Setting the Sampling Duration
Save as no.
Saving the data into a file with a Unique Number
Remove data
Clearing the data from the Data Block
X times
Repeats Sample, Save as no. and Remove data