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Setup Data. There is a factory installed setup file in every detector which contains
operational parameters such as alarm levels for each gas detected, features enabled (Y/N), e.g. air-
free CO, and settings such as Bar Hole time.
Downloading Data. Before downloading any data the operator is asked to verify that the
unit is connected to the PC by USB. If the unit is not connected or becomes disconnected, the
download program times-out and you must try again. Data is not erased in the unit after
downloading so it can be downloaded multiple times. Only one copy of the data is archived in the
PC no matter how many times it is downloaded from the unit to the PC.
Downloading Readings Data. It can take 5 minutes to download all the readings data from
a unit to a PC. In order to save time a data summary can be downloaded, sorted, and only the
desired readings can then be downloaded. The Readings and Alarm Events tables can be sorted by
unit serial number, date, time, and the operational mode the unit was in when the readings were
acquired in order to select the desired readings.
Downloading all readings in a time period bounded by two dates can also be done by first
entering the date range and then selecting "Download Readings by Date Range".
2.
REPORTS
Readings, Readings with GPS by Unit, Readings with GPS by Address). Depending
on whether the unit is equipped with a GPS receiver different readings reports are available. In any
case, all data is available using the readings button.
Figure 4. Display Readings Reports for a Selected Unit screen
Readings Reports. There are different readings history reports. One is tabular, and the
other is a screen consisting of concentration versus time plots. In order to view or print these
reports, the unit ID of the detector which acquired the data must be entered along with a date and
time range. Once the report is displayed there is a print button for obtaining a hardcopy.
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