Hanna Instruments HI 4221 User Manual
Page 13
13
When the online graph is displayed:
• Use
and
to move the graph along X (Time) axis.
• Press
to access the zoom menu for Y axis. Use
or
for zooming Y (parameter) axis.
• Press
to return to the main menu.
When the offline graph is displayed:
• Use the arrow keys to move the graph along X (Time) and Y (parameter) axes.
• Press
to access the zoom menu for X and Y 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.
Log History
Accessing this option, last logged records will be displayed on the LCD. The log history list also contains the appropriate
mV values, the logged temperature, the temperature compensation source, as well as the records time stamp.
Note: If no data were logged, the “Log History Empty” message will be displayed on the LCD.
To access the Log History displaying mode:
• Press
while in
Measure
mode. The “Choose Display Configuration” message will be displayed in
the Reminder messages area.
• Press
. The instrument will display the log history regarding the selected
Measure
mode.
Notes: • When an alarm condition is active, all logged records will have an exclamation mark (!).
• If another
Measure
mode is selected, the Log History will reset.
• If the temperature unit is changed, all logged temperature values will be automatically displayed
in the new temperature unit.