Glossary
TDS3000B Serie s User Manual
Glossary- 5
Ground (GND) Coupling
Coupling opt ion that disconnects the input signal from the
vertical system.
Ground Lead
The reference lead for an oscilloscope probe.
Ground W ire
A wire that must be connected between the ground terminal and
earth ground when using the oscilloscope with battery power.
Hard Copy
An electronic copy of the display in a format useable by a
printer or plotter.
Holdoff
A specifie d am ount of time that must elapse after a trigger
signal before the trigger circuit will accept another trigger
signal. Holdoff helps ensure a stable display.
Horizontal Bar Cursors
The two horizontal bars that you position to measure the voltage
parameters of a waveform. The oscilloscope displays the value
of the act ive (moveable) cursor with respec t t o ground and the
voltage value between the bars.
Menu
A set of labels shown in the di splay to identify the funct ions of
the bezel buttons. The specific menu contents depend on the
menu but ton you press.
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