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Operator’s Checkout Procedure
1740A/1750A Series Waveform/Vector Monitor User Manual
2-15
Press the MAG button. The MAG indicator lights and a
1 S/Div sweep is displayed. Use t he
HORIZ POS control to
view the magnified display, then turn off the
MAG.(Seepage
3-4 for a list of sweep rates.)
7. Voltage and Timing Cursors
The 1740A/1750A--Series voltage, timing, and vector
cursors can be used to measure any portion of the displayed
signal.
Enter the
CURSOR menu (factory preset selects voltage
cursors;
VOLT is outlined on screen). The voltage cursors
appear as two dashed horizontal lines: cursor 1 has single
dashes and cursor 2 has double dashes. Use the left and
center bezel controls to adjust the cursors individually, or the
right control to move both cursors by the same amount
(TRACK). The voltage difference between the cursors is
displayed as ∆
V. Align a voltage cursor with a signal refer-
ence point and press
MAG. The cursor is still at the same
point on the signal (use the
HORIZ POS control if needed to
view the cursor).
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, m arker 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.
Turn off the
GAIN menu, then press the CURSOR button.
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