4.4 Setting/Changing Alarm Limits
To set the alarm limits on the alarm recorder:
1. Set the display selection switch (Figure 1-1, item #12) to %RH, °C, or °F
depending on the parameter for which you would like to set the alarm limits.
Refer to Figure 3-8 for the location of the switch.
°C and °F alarm are really the same alarm , shown in
different measuring units.
2. Open the control panel door (unlock it, if necessary).
3. Press the “SET” button to activate the display to set either the high OR low alarm
limit. At this time, “SE” is displayed. Figure 4-5 shows the location of the
Alarm Display Buttons.
Figure 4-5. Alarm Display Buttons (HIGH/SET/LOW)
4. Release the “SET” button. The display will alternately flash “hi” and “lo”
repeatedly.
5a. To change the high alarm limit:
• Press and hold the “HIGH” button for 4 seconds, then release.
‘hi’ is displayed and then the current high alarm limit is displayed.
• Press the “HIGH” or “LOW” button to respectively increase or decrease the
value.
• Press the “SET” button to lock in the value(s); the display now shows “SA”.
• Continue to step 6.
OR
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