Tektronix 1760 series, Руководство пользователя

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Operator’s Checkout Procedure
1760 Series Component Waveform/Vector Monitor User Manual
2-17
Select timing cursors
(TIME)
. The timing cursors appear as
two vertical dashed lines: cursor 1 has single dashes and
cursor 2 has double dashes. The time difference between
them is displayed as
∆
T.
Select voltage and timing cursors
together (
V+T).
Note that when
CONTROL
is set to
TIME
,
the
three bezel controls adjust timing cursors; when set to
VOLT,
they adjust voltage cursors.
Select markers
(MARK)
.
The markers appear as three dashed
lines; marker 1 has long single dashes, marker 2 has double
dashes, and marker 3 has short dashes. Use the three bezel
controls to position the markers to a reference point on the
etched graticule (such as peak white, baseline, and sync tip).
Select
X5
gain and notice that the markers do not move.
These markers can be used to highlight desired features of
the waveform graticule.
Select
VECTOR
display mode. The vector cursor menu is
displayed (
POLAR
has been selected by the factory preset).
The polar cursor appears as cross hairs. Use the left bezel
control to move the cursor away from graticule center, and
the center bezel control to move the cursor around the
graticule center point. Note that the amplitude and phase of
the cursor are displayed on screen.
Select
MARK
and set
QUANTITY
to 2. Note that the two
graticule markers appear as small numbered boxes. Set
CONTROL
to 1 and use the left bezel control to move marker
1 away from the graticule center. Use the center control to
move the marker around the graticule center point. Change
CONTROL
to 2. Use the bezel controls as for marker 1.
Select X5 gain and note that the markers do not move. These
markers can be used to highlight desired features of the
vector graticule. Return to
WAVEFORM
display mode.
Exit the cursor menu, then enter the menu again. Note that
MARK
is still selected and marker positions are unchanged.
Exit the menu. (For more information about using the
cursors, see page 3-10.)