Tektronix 2335, Инструкция по эксплуатации

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Using the Trigger Section
1. Rotate the A TRIGGER LEVEL control between
its maximum clockwise and counterclockwise positions.
The display w ill free-run near each lim it o f rotation.
Observe that the TRIG 'D-READY Light illuminates only
when the display is triggered.
2. Adjust the A TRIGGER LEVEL control fo r a stable
display.
3. Press in the A TRIGGER SLOPE push button to the
— (minus) position. Observe that the display starts on the
negative-going slope o f the applied signal.
4. Press in the A TRIGGER SLOPE push button again
to release it to the + (plus) position. Observe that the
display starts on the positive-going slope o f the applied
signal.
5. Select the A TRIGGER NORM mode.
6. Rotate the A TRIGGER LEVEL control between
its maximum clockwise and counterclockwise positions.
Observe that the display is presented when correctly
triggered.
7. Set the A TRIGGER COUPLING switch to DC and
the A TRIGGER SOURCE switch to VERT MODE.
8. Rotate the Channel 1 POSITION control until the
display becomes unstable. Note that changing the vertical
POSITION control setting affects the dc trigger level w ith
the A TRIGGER SOURCE switch set to VERT MODE.
9. Adjust the Channel 1 POSITION control to center
the display on the screen.
10. Set the A TRIGGER COUPLING switch to AC and
the A TRIGGER SOURCE switch to CH 1.
11. Remove the calibration signal from the CH 1 input
connector.
12. Press in the A TRIGGER SGL SWP push button
momentarily fo r single-sweep operation.
2335 Operators
29