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set at this time from 2 seconds to 10
seconds. Up to five separate graphs from
2 seconds to 10 seconds each, can be
stored. On subsequent store graphs the
unit will remember storage time and will
not need to be changed unless you desire
a different time period. Please note: It is a
good practice to match the fluctuation time
frame - a variable in the Vacuum Level
Function (set in the Utility Menu), with the
store graph time period so the numeric
data printed out on the graphs, matches
the activity of the graph. For example, you
would want to set the Fluctuation Time
Frame to 3 seconds (Utility Menu item #4)
if you wanted a graph period of 3 seconds.
This practice is only applicable for the
Vacuum Level Function. The Fluctuation
Time Frame is not a variable in the other
pulsation functions. Another note
regarding Fluctuation Time Frame and
Graphing time: If the Fluctuation Time
Frame is less than the Graph time, then
the Fluctuation figure, which will print-out
on the graph, will cover the last portion of
the graph which includes the period of the
Fluctuation Time Frame. For example, if
the Fluctuation Time Frame is 2 seconds
and the Graph time is 3 seconds then the
Fluctuation figure will be for the last 2
seconds of the 3 second graph. If the
Fluctuation Time Frame is greater
than
the Graph time, then the Fluctuation figure
will be for the time period of the graph. For
example, if the Fluctuation Time Frame is
set for 5 seconds and the Graph time is for
3 seconds, the Fluctuation figure will be for
3 seconds.
When you first enter Store Graph, a
screen will appear with 5 storage slots.
After choosing the slot the next screen will
allow a label. It is not necessary to choose
a label. In the case where no label is
chosen the graph will have a timer stamp
associated with it. When the label screen
is exited, the screen will indicate, Enter for
3 sec. of graph. Up/Down changes.
Menu to exit. (This assumes that 3
seconds is the chosen graph period). Time
can be set from 2 seconds to 10 seconds.
Pressing the appropriate key will either exit
without saving or you will enter the
function in the Recording Mode. In this
mode an R will appear in the upper right
corner of the Digimet screen. There is a
short delay before the unit begins Storing
the graph. When the R begins to blink,
storing data has begun. The initial delay
allows the readings to stabilize. Note: If
you want to capture a particular
activity, start the activity the moment
the “R” starts to blink.
After the R stops blinking, storage is
complete. You can now use Print Graph
to graph to the Digimet Printer or use
Upload Graphic Data to upload graph
data to the computer for viewing on the
Computer Screen. Upload Graphic Data
and Print Graph are both options that
appear in the Utility Menu, item 2 and 3.
The reason for these different options is
because the Digimet formats the data
differently depending on the ultimate way
that the data will be viewed.
Recall
Data that has been previously stored may
be recalled for display by the Digimet
3000. The particular measurement set that
will be recalled depends on the current
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