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Glossary
immediate mode The trigger
mode that does not require a spe-
cific trigger condition (that is; an
edge or a pattern).
input field The field that allows
you to select a channel for vertical
scaling.
intermodule menu The menu
that lets you set up the instrument to
make interactive measurements,
either with other modules in the
mainframe or with external modules.
low The negative-going portion of
a logic signal. Used in pattern trig-
ger measurements, it is represented
by an L in the pattern selector.
manual markers mode The
marker mode that lets you manually
move the markers using the knob or
the keypad.
menu field The field to the
immediate right of the module field
(see module field). It allows you to
choose the menus related to the
module shown in the module field.
module An oscilloscope unit. It
may contain one card, or up to four
cards connected with trigger cables.
module field The field in the up-
per-left corner of the screen. It
Glossary-2
allows you to choose any of the mod-
ules in the mainframe as your
working module. It also allows you
to choose system options and inter-
module options.
offset field The field that sets the
vertical position of the waveform on
the screen. Offset is the voltage rep-
resented at the center vertical tick
mark in the waveform display. It is
measured in volts and is viewed in
the Offset field. It is set by the using
knob or the keypad.
panning The action of moving the
waveform along the timebase by
varying the delay value in the Delay
field. This action allows you to con-
trol the portion of acquisition
memory that will be displayed on
the screen. If you choose, you can
view the entire waveform record in
acquisition memory. This is nor-
mally done in single-shot mode.
pattern mode The trigger mode
that allows you to set the oscillo-
scope to trigger on a specified
combination of input signal levels.
probe field The field that sets the
probe attenuation factor for the in-
put signal applied to the
oscilloscope. Selectable values from
1:1 to 1000:1 in increments of 1.
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