JVC 340 SC - Manual (Page 162)

Glossary
Model 330, 340SC, and 370SC Service Manual
temporarily with the Executive I/R remote.
Vertical Resolution The amount of detail that can be perceived in the vertical
direction; the maximum number of alternating white and
black horizontal lines that can be counted from the top of the
picture to the bottom.
Vertical Scan Frequency
(V-Freq)
The vertical scan frequency of the input signal.
Vertical
Synchronization
Frequency
The number of times per second a frame is
transmitted to a video display screen.
Xenon Arc Lamp See Arc Lamp.