PerkinElmer Photovac 2020 Manual page 83

Print on page 59 and Computer on page 90 for printing
and saving logged data.
4. The instrument status will change to "Loc".
5. Select the required Cal Memory for this location. Press
ENTER and select "Set", "Cal" and then "Mem". Use
the "Next" and "Prev" keys to select the desired Cal
Memory.
6. Press the ENTER key and locate the first site on your
schedule. The middle soft key is used to advance to the
next measurement when you are operating in manual
mode. Press the "Next" key. If you are not using
manual operation, the "Next" key is not shown.
7. The instrument status will change to "BkGd". A
background measurement must be made. When you
have an accurate background, press "Next". 2020 will
record the displayed concentration when you press the
"Next" key.
8. The instrument status will now be "Samp". Take a
sample measurement. When you have an accurate
sample, press "Next". 2020 will record the displayed
concentration when you press the "Next" key.
9. The instrument status will again be "Loc". Go to the
next site on your schedule.
When you have completed your monitoring you can download the
contents of the datalogger to a computer and add the 2020 data to
your spreadsheet.
If you change from manual operation to an averaging interval, you
will lose the contents of the datalogger. Print or save the data to
disk before changing the interval. See
Detailed Operation
81