Glossary
THS710A, THS720A, THS730A & THS720P User Manual
Glossary–9
Signal Path Compensation (SPC)
The ability of the oscilloscope to minimize the electrical offsets
in the vertical, horizontal, and trigger amplifiers caused by
ambient temperature changes and component aging. You should
run SPC when the ambient temperature varies more than 5_ C
from the last SPC or before performing critical measurements.
Standby (STBY)
The off-like state when the instrument in not in use. Some
circuits are active even while the instrument is in the standby
state.
Tek Secure
A feature that erases all waveform and setup memory locations
(setup memories are replaced with the factory setup). Then it
checks each location to verify erasure. This feature is useful
where the oscilloscope is used to gather security-sensitive data.
Time Base
The set of parameters that let you define the time and horizontal
axis attributes of a waveform record. The time base determines
when and how long to acquire record points.
Total Harmonic Distortion (THD)
The ratio of the waveform harmonic content to the RMS of
either the fundamental or the input signal, expressed as a
percent.
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