Tektronix 1740A/1750A User Manual
Page 138
Glossary
1740A/1750A Series Waveform/Vector Monitor User Manual
G-9
Vertical Interval
The synchronizing information which
appears between fields and signals the picture monitor to go
back to the top of the screen to begin another vertical scan.
Waveform Monitor
A specialized oscilloscope that plots
voltage versus time to evaluate television signals.
Y
Abbreviation for luminance.
Zero Carrier Reference
A pulse in the vertical interval
which is produced by the demodulator to provide a reference
for evaluating depth of modulation.