Graphical Format - GE DigitalFlow GF868 Programming Manual

2.5.3 Graphical Format

PLOT
After choosing at the
6. Enter a maximum value for the Y-axis (vertical) scale that is larger than the maximum expected reading. Press
[ENT] .
7. At the Y Range prompt, press
Y values.
Y RANGE
After the is entered, the Model GF868 automatically displays the chosen log file records in the specified
graphical format.
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V
E
L
ST: 08 MAR 09:50
<CURS CURS> START
At any given time, the 120 records stored in one page of the log file will be graphed on the display screen. The cursor,
which is shown as a vertical line that extends the full height of the graph window, can be used to highlight any one of
these records.
IMPORTANT:
Only the first of the three logged parameters is displayed in the graphical format of the
Therefore, when creating a log file, be sure to specify the parameter to be graphed at the
prompt. See Chapter 3, Logging Data, for details on creating a log file.
Option Bar
Choice
Move the cursor one record to the left and display the value and time of that record in the status
[F1] <CURS
=
line: (i.e.
Move the cursor one record to the right and display the value and time of that record in the status
[F2] CURS>
=
line: (i.e.
[F3] <PAGE
= Display the previous page of records
[F4] PAGE>
= Display the next page of records
Move the cursor to the first record on the current page and post the date and time of that record in
+ [F1] START
[ =
the message line: (i.e.
Move the cursor to the last record on the current page and post the date and time of that record in
+ [F2] END
[ =
the message line: (i.e.
+ [F3] YMAX
[ = Display the programmed maximum Y value in the message line: (i.e.
Display the time increment value, as set when the log file was created, in the message line:
+ [F4] T INC
[ =
(i.e.
Leave the graphical

[ + [F1] EXIT
=
(The
DigitalFlow™ GF868 Programming Manual (2-Channel)
FORMAT
prompt, the programming sequence continues as follows:
[F1]
to graph only positive Y values or press
 [ and

[
Use the
listed in Table 12.
END
Table 12: Graphical Log Display Options
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T INC 30 seconds
)
LOG
display and return the display to the previous data format.
key on the keypad will also perform this function.)
[EXIT]
[F2]
[F1]-[F4]
keys to select the desired option. The options are
Description
)
)
Chapter 2. Displaying Data
to graph both positive and negative
LOG
submenu.
1st Value Logged
YMAX 25.0 Ft/s
)
45