OD1402 - Lesson 1/Learning Event 1
Step 1. Preset all the controls, as described in Learning Event 1,
pages 13 and 14.
Step 2. Pull POWER switch knob out to apply power. Allow the
oscilloscope to warm up for five minutes or more.
Step 3. Turn the INTENSITY knob clockwise until a display is
visible. If no display is visible by the midrange position on the
INTENSITY knob, perform steps 4 through 8.
Step 4. Press and hold the BEAM FINDER switch.
Step 5. Set the VOLTS/DIV switch on the lefthand vertical
amplifier for a display that remains within the vertical area of
the screen.
Step 6. Adjust the POSITION control on the left hand vertical
amplifier for the desired vertical position of the display.
Step 7. Adjust the POSITION control on the dual time base for the
desired horizontal position of the display.
Step 8. Release the BEAM FINDER switch.
Step 9. If necessary, adjust the LEVEL control on the dual time
base for a stable display.
Step 10. Adjust the FOCUS control for a well defined display.
Step 11. Adjust the POSITION control on the lefthand vertical
amplifier to place the trace in the upper half of the graticule
(screen) area.
Step 12. Press the VERT MODE RIGHT switch in.
Step 13. If display of the second trace is not visible, adjust the
POSITION control on the righthand vertical amplifier until trace
is visible.
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