YSI BODAnalyst - Manual (Page 19)

SECTION 5 BATCHES
5.1 WHAT IS A "BATCH?"
A Batch is all initial DOs that are done on any one day, along with their corresponding final DOs.
Because there is only one Batch per day, we can refer to a Batch by the Sample Date.
It is very important that the date on your computer is correct. The date when you read the initials
and the date when you run the finals set the incubation period for the batch. If the date on the
computer is incorrect, the BOD Analyst software may not calculate the BODs correctly.
There are several safeguards built into the program to help you avoid making a mistake. The date
and the day of the week are displayed in the upper right hand corner of the screen at all times.
A Batch must be self-contained. That is, if there are any seeded Samples in the Batch then the
corresponding seed control samples must also be present. When a batch is built, a warning
message will be displayed and the batch will not be built if this condition exists. Once the batch
is built, you can delete the seed control sample from the bench sheet.
5.2 LOADING A BATCH
To load a batch into the Bench Sheet enter a date into the Sample Date field. If a batch for the
day has been started, it will be retrieved into the Bench Sheet. If no batch is found for the day the
Build Batch Form will be displayed allowing you to load a Bench Sheet with a new batch. Dates
can be entered in mm/dd/yy or mm/dd/yyyy format. Alternatively, you can use the dropdown
calendar to select a date.
To select a batch that is not yet complete, click the List Open Batches button . A form will
open displaying batches, within the last 33 days, that have no finals taken. Simply select the date
from the list and click OK. For a display of all batches, click the All option button.