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14. To log data manually, set the sampling time to zero using the procedure detailed
earlier. Then press the REC/ENTER button once. The display will show the term
"REC" on the top line, a value in the middle, and below it the letter "P" on the left
and a number from 1 to 99 on the same line to the right. The number indicates
the position on the SD card that will be used to store manually logged data.
Now press the LOGGER
"LOGGER" to briefly appear at the upper right of the display. As in automatic
datalogging mode, in this mode the instrument is storing measurements and their
time stamps on the SD card.
In manual datalogging mode, however, measurements are being stored continuously
(with a sampling time of zero), and their locations on the card can be changed.
15. To change the storage location of manually logged data, press the SET M
button once; this causes the "P" to disappear from the left side of the display and
the value on its line to begin flashing. Once the flashing begins, you can use the
SET M and LOGGER
between 1 and 99. Once you have chosen the storage location, press the
REC/ENTER button to save the setting. This causes the value to stop flashing and
the "P" to return.
16. To end manual datalogging, press the REC/ENTER button and hold it for at least
three seconds. This action causes the "REC" message to disappear from the top
line of the display.
TRANSFERRING DATA FROM THE SD CARD
TO A COMPUTER
After automatic or manual
datalogging of measurements,
remove the SD card from the
meter and plug it into your
computer either directly (if it has
an SD card slot) or through an
SD card reader.
Because the files containing
time-stamped data logs have
the file extension .xls, they open
in Microsoft's Excel application.
Figures 2 and 3 show two kinds
of Excel presentations: a data-
only screen and a graphics-only
screen.
button. This will cause the beeper to sound and the term
buttons to change the flashing value to any number
11
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