Viewing Sample Data
Lasair II Particle Counter Operations Manual Page 6-7
This selection determines the units displayed for the Sample Volume and sample
readings.
Display: [Δ or Σ] Determine whether data is displayed in Differential (Δ) or
Cumulative (Σ) values. This setting is saved in battery-powered RAM when the
Lasair II particle counter is shut down.
Data: [N or N/ft.
3
] Select N to display raw counts. Select N/ft.
3
to display
normalized counts, that is, counts per unit of volume.
NOTE:
If you change the sampling setup after setting your units
choice in the Data Display Setup Screen, the units will be over-ridden
by the display units you have chosen in the Data Display Setup
Screen.
Sort By: [Date and time or Location ] Select Time to sort by the date
and time the sample data was created. Select Location to sort by the location where
the sample was collected. Before selecting “sort by location”, location names must
have already been created and assigned to the sample.
If location is selected, the data will first be sorted first by location and then by date/
time.
This setting is saved in battery-powered RAM when the particle counter is shut
down.
Order: [A...Z or Z...A] Select (A...Z) to view data in ascending order or select
(Z...A) to view data in descending order.
This setting is saved in battery-powered RAM when the particle counter is shut
down.
Controlling what Data is Displayed
To determine which data are displayed:
1 If the Data Table Screen is not open, navigate to it.
Or
2 If the Data Table Screen is already open but it is in the navigation mode, disable
the edit mode by pressing the Return Arrow icon softkey.
3 Open the Data Filter Screen by pressing the Data Display icon softkey.
The Data Filter-Time Screen will open.
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