Sanwa U-50D Operator's Manual page 14

a Zero C orrection.
b Range Selection.
rotated to any one of the five ACV positions.
When in doubt as to the approximate voltage
present, always start with the highest range.
the first reading, the switch can be reset to a lower
range for a more accurate reading. (Fig. 2-2)
To obtain an accurate reading, use a range which
will allow the pointer to fall within the right hand
half of the scale.
See 1-a. (Fig. 2-5;
The selector switch can be
Fig 2
After
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