Hanna Instruments HI 4421 User Manual
Page 10
10
Graph
Accessing this option, the online graph with currently logged
values (DO, BOD, OUR or SOUR vs. Seconds) could be displayed.
If there is no active log, the previously logged data for the
selected parameter will be plotted.
Notes: • If no data were logged, the graph displaying mode
will not be accessible.
• If no automatic log is saved, the offline graph will not
be available.
To access the offline / online graph:
• Press
while in
Measure
mode. The “Choose Display
Configuration” message will be displayed in the Reminder
messages area.
• Press
.
When the online graph is displayed:
• Use
and
to move the graph along the horizontal (
Time
) axis.
• Press
to access the zoom menu for the vertical (
Parameter
) axis. Use
or
for
vertical axis zooming.
• Press
to return to the main menu.
When the offline graph is displayed:
• Use the arrow keys to move the graph along the horizontal and vertical axes.
• Press
to access the zoom menu for the horizontal and vertical axes. Use
or
/
/
/
to switch between the active zooming axes. Press
or
to zoom the selected axis.
Note: While in zoom graph menu the
key is not accessible.
• Press
to return to the main menu.