Tektronix 1760 series, User Manual

Page: 83 / 180

Using the Menus
1760 Series Component Waveform/Vector Monitor User Manual
3-15
With Waveform Display
Voltage Cursors
can be used to make accurate signal ampli-
tude measurements. With
VOLT
selected, use the left bezel
control to position the
VOLT1
cursor at the upper excursion of
signal to be measured, and the center bezel control to posi-
tion the
VOLT2
cursor at the lower excursion. The on-screen
readout gives the voltage difference between the two levels.
When
GAIN
is changed, the voltage cursors maintain their
relationship with the signal. For example, if the
VOLT2
cursor
were set to the signal sync tip in
X1 GAIN
, it would also be at
sync tip in
X5
gain
, X10
gain
,
or with
VAR
gain on.
Timing Cursors
can be used to make accurate time measure-
ments. When
TIME
is selected, position the
TIME1
cursor at
the left excursion of the signal to be measured, and the
TIME2
cursor on the right. The on-screen readout gives the time
difference between the two points.
When
MAG
is selected, the timing cursors maintain their rela-
tionship with the signal. For example, if the
VOLT1
cursor
were set to the rising edge of sync, it would also be set there
with
MAG
selected.
Markers.
When
MARK
is selected, use the bezel controls to
vertically position the markers where desired with respect to
the graticule markings. These markers are designed to be
used for reference points; there is no amplitude readout. The
markers are not affected by
GAIN
changes; if a marker were
set to
100 IRE
in
X1 GAIN
, it would still be set to
100 IRE
with
the
MAG
on.