To turn the automatic range selection
On/Off, press the Auto key.
Press the “+” or the “-” key to select the
range. The Auto indicator turns to
indicating Manual range selection.
If the appropriate range is unknown,
select the highest range.
You can also press the F1 (Range) key to
select a range for the measurement.
Press the F1 ~ F6 key to select a desired
range for the voltage measurement.