Biomark IS1001 Operation User's Manual page 42

Commands
RSD {0-1440}
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measurement values. The report contains the information since the
last time it was generated or since the last system reset.
Note: The data will be sent only to the port from which the report
was requested.
Set Automatic Status Report Delay in Minutes
Specifies how often to automatically send the Full Status Report.
Valid values are 0 (disabled), 1 – 1440 minutes. Default is 60
minutes.
IS1001 Reader User Manual