Vaisala MMT330 - Manual (Page 75)

Chapter 4 _________________________________________________________________ Operation
VAISALA ________________________________________________________________________ 75
NOTE Changes you do on the alarm editing page will take effect immediately,
and may cause an alarm to appear on the screen.
4. To select a quantity for the alarm, press the Change button and
select the quantity from the list.
5. To modify or remove the alarm limit values, move the selection
over the Act. above or Act. below field and press the Set button.
You will be prompted to Modify or Remove the value.
0802-070
Figure 46 Modifying an Alarm Limit
When modifying the value, use the arrow up and down buttons to
change the value under the cursor. Left and right arrow buttons
move the cursor. Select the OK button to accept the modified
value, or Cancel to undo the modification.
6. Set a suitable Hysteresis value to prevent the alarm from being
triggered unnecessarily by small measurement changes that pass
the alarm limit repeatedly.
7. Set or clear the Alarm enable checkbox to enable or disable the
alarm.
8. Press the Exit button to leave the alarm configuration screen and
return to the basic view.