HP 54645A User's And Service Manual page 289

Glossary
Trigger mode can be set to Auto
Level, Auto, or Normal. See "Normal
trigger mode" or "Auto trigger mode."
TV allows access to the TV mode
and polarity keys.
Vernier is a softkey for both
HP 54645A/D in the Main/Delayed
and Analog channel menus that gives
finer increments of the sweep speed
and Volts/Div.
Voltage allows access to the auto-
matic voltage measurement keys.
Volts/Div Changes the vertical
scaling in a 1-2-5 step sequence from
2 mV to 5 V.
Waveform parameters are meas-
ured using cursors.
XY Changes the display to a
volts-versus-volts display.
Zoom means to expand the wave-
form on the screen. You can use
delayed sweep to zoom in on a por-
tion of the waveform to examine it in
greater detail.
Glossary-10