Amprobe 38XR-A User Manual page 11

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WARNING
To avoid electrical shock while manual ranging use the
display annunciators to identify the actual range selected.
Correcting an Overload (0oor - 0o) Indication �
An 0oor - 0o indication may appear on the display to indicate
that an overload condition exists. For voltage and current
measurements, an overload should be immediately corrected
by selecting a higher range. If the highest range setting does
not eliminate the overload, interrupt the measurement until
the problem is identified and eliminated. The 0o indication
is normal for some functions; for example, resistance,
continuity, and diode test.
Measuring DC Voltage
1. Set the Function Switch to v.
2. If RANGE is displayed, press the RANGE button to
enable autoranging.
3. Connect the Test Leads: Red to E, Black to COM
4. Connect the Test Probes to the circuit test points.
5. Read the display, and, if necessary, correct any
overload (0o) conditions.
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