
OPERATION
1
DC Voltage Measurements.
DC voltage ranges are mostly used for measurements of
batteries, B( + ) power, plate, screen-grid and cathode
voltages of radio/TV receivers and amplifiers.
Their
circuits generally have minus potential grounded, though
pnp transistor circuits, their plus potential.
For measurements, go through the following procedure:
a Zero Correction. Before making a measurement,
confirm the pointer to be exactly on zero of the
scale left
If it is off the position, adjust it by the
8
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