ELECTRONIC PRINCIPLES - OD1647 - LESSON 1/TASK 3
(d) Delayed SweepDualTrace Display. The following
procedure will produce a delayed sweep display of the input
signals to the two vertical amplifiers on the two traces by the
dual time base.
Perform the complete dualtrace procedure as outlined in
paragraph 2d(2)(b) on page 151, except for the following
procedures. Do not press the VERT MODE ALT switch in or set the
TIME/DIV OR DLY TIME switch on the dual time base for a display
of the desired number of cycles of the input signal.
After the procedures have been performed, press either the VERT
MODE CHOP or the VERT MODE ALT switch in (depending upon the
desired mode of the vertical input switching). Input signals to
both vertical amplifiers should be displayed on the delayed
sweeps.
(e) XY Display. The following procedure will produce a
display of one signal versus another, rather than against time.
Begin this procedure by first removing the dual time base unit
from the righthand compartment. Then remove the vertical
amplifier from the center compartment and reinstall in the
righthand compartment. Now set all the controls in paragraphs
2(d(1)(a) and 2d(1)(b) on page 149). Connect the x input signal
to the lefthand vertical amplifier and the y input signal to
the righthand vertical amplifier. Now turn the INTENSITY
potentiometer clockwise until the display is visible. If no
display is visible by the midrange position on the INTENSITY
potentiometer, perform the following steps:
Step 1. Press find hold the BEAM FINDER switch.
Step 2. Set the VOLTS/DIV switch on each vertical amplifier for
the display that remains within the vertical and horizontal area
of the graticule.
Step 3. Adjust the POSITION potentiometer on each vertical
amplifier for the desired vertical position of the display.
Step 4. Release the BEAM FINDER switch.
Step 5. Adjust the FOCUS potentiometer for a welldefined
display.
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