Tektronix 1740A/1750A User Manual
Page 44

Operator’s Checkout Procedure
2-14
1740A/1750A Series Waveform/Vector Monitor User Manual
10 S/DIV
Figure 2-6. Calibrator display.
5.
Gain Control
There are three calibrated vertical gain settings available (
X1
,
X5
, and
X10
), as well as an independent variable gain control.
Enter the
GAIN
menu and select
X5
. Note that
X5
is outlined
and the display is amplified. Select
X10
. Note that
X10
is
outlined and the display is amplified again.
Select variable gain and use the right bezel control to adjust
the gain to the minimum and maximum settings.
Exit the
GAIN
menu, then enter it again. Note that the vari-
able and X10 gain settings are restored. Exit the
GAIN
menu.
Adjust the
VERT POS
control to place the signal on baseline.
6.
Select Timing Reference
The factory preset selects a two-line sweep. Note that
pressing the
LINE/BUTTON
button will cycle through four
selections: one-line, two-line, one-field, and two-field
sweeps. Return to the two-line sweep.