Making Measurements 2
Agilent U1251A/U1252A User’s and Service Guide 55
Alerts and Warning During Measurement
Overload Alert
The meter provides an overload alert for voltage
measurement in both auto and manual range modes. The
meter beeps periodically once the measuring voltage exceeds
1010 V. For your safety, please be aware of this alert.
Input Warning
The meter sounds an alerting beep when the test lead is
inserted to the A input terminal but the rotary switch is not
set to the corresponding mA.A location. The primary display
indicates a flashing “A- Err” until the test lead is removed
from the A input terminal. See Figure 15.
Figure 15 Input terminal warning
WARNING
For your safety, please be aware of the alert. When you are alerted, just
remove the test leads from the measuring source.
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