Equipment:

LogIT

Instructions

Switch on the datalogger by pressing the green start button.

Press the blue menu button twice until it says 'Press Green to start snapshot'.

Press the Green button immediately You should see it say 'Logging started'.

and then the display returns to normal.

The 'L' tells you that you are logging.

Press the Green button each time you take a snapshot - every time someone coughs. The display will display 'Storing readings' for a moment before returning to the normal display.

NB: If you see Marker Stored instead then you did not press the menu button twice for snapshot.

Press the Red button when you have finished - it should then say 'Logging stopped'.

Connect the datalogger to the computer, using the white USB cable supplied.

Open the Logit software

Press Fetch to see the bar graph.

The LogIT software then asks you which file you wish to fetch. It saves up to four different logs - always overwriting the oldest log. Make sure A is selected and click OK.

Your bar chart of all the snapshots will be displayed.

To look at the bar chart of just the sound remove the ticks next to 'Temperature' and 'Light Level' on the right hand side by clicking on them.

Bar chart showing Sound levels

You may need to click on the 'Auto Zoom' to look at the graph in more detail.

You can look at the table of results by clicking on 'Display Table' button.

The table of results will be displayed.

Table of Results	Close up of results (Right click on the chart and select Heavy)