Page 6-8 Lasair II Particle Counter Operations Manual
Chapter 6: Operation
You can filter (select) data by the following six means:
• by the Start filter parameters — that is, data that was generated on or after a user-
entered date and time
• by the End filter parameters — that is, data that was generated on or before a
user-entered date and time
• by Start and End Row Index numbers. For example: if you have a total of 100
stored records and you want to see the last 10, set the Start Row Index number
to 91 and the End Row Index to 100. Setting the Row Index numbers directly
overrides the Start and End settings.
• time data that was generated on or between two user-entered dates and times
• by location
• a combination of user-entered dates, times, and locations
Figure 6-4: Data Filter-Time Screen
The number of records
you can choose from.
The number
of records the
filter
parameters
have selected
The End
parameter on/
off switch
Selects all
records
created on or
before this
date
The Row
Index number
of the last
record chosen
Selects all records
created on or
before this time
The Data Filter global on/off switch. When
this switch is off, the Start and End parameters
are disabled.
The Start
parameter on/
off switch
The Row
Index number
of the first
record chosen
Selects all
records
created on or
after this date
Selects all records
created on or after
this time
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