3 alarm output to display, 3 alarm output to display -32, See section 5.10.3 a – YSI IQ SensorNet 2020 XT Terminal User Manual
Page 152: Larm, Output, Display

Settings/setup
System 2020 XT USB
5 - 32
ba76019e01
12/2012
5.10.3 Alarm output to display
When an alarm event occurs, a window with a text message appears.
Fig. 5-18 Example of an alarm message on the display
The alarm message contains the following information:
Operating instructions
If there are several alarm messages indicated on the display, you can
scroll through the messages with <
>. This can be recognized
from the page number in the right lower corner. The latest message is
always on the first position.
Pressing
measured value display. After one minute the alarm messages appear
again if what caused them is still present.
Line 1:
Alarm no. Axx and time and date of the alarm event
Line 2:
User-defined designation
Line 3:
Sensor number and model name of the sensor that
triggered the alarm event
Line 4:
Series number and name of the sensor that triggered the
alarm event
Line 5:
Description of the event with specification of the limiting
value:
"<" = undercut
">" = exceeded