Features and Functions 2
U1241B/U1242B User’s and Service Guide 25
Alerts and Warning During Measurement
Overload Alert
The multimeter provides an overload alert for voltage measurement in
both auto and manual range modes. The multimeter beeps periodically
once the measuring voltage exceeds 1100.0 V. For your safety, please be
aware of this alert.
Input-A Warning Alert
The multimeter 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
A location. The display indicates a flashing AErr annunciator until the
test lead is removed from the A input terminal. This warning alert is not
available in T1/T2 temperature measurements mode.
Input-mA Warning Alert
The multimeter sounds an alerting beep when the μA/mA input terminal
detects a voltage level of more than 1.6 V. The display indicates a flashing
CErr annunciator until the test lead is removed from the μA/mA input
terminal.
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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