Check Edge Trigger Sensitivity - Tektronix TDS2022C Technical Reference

Check Edge Trigger
Sensitivity
TDS2000C Series Oscilloscope Service Manual
10. Check that the rising edge of the marker crosses the center horizontal graticule
line within ±2 divisions of the vertical center graticule line, as shown in the
following figure:
NOTE.
One division of displacement from graticule center corresponds to a
25 ppm time base error.
11. Disconnect the test setup.
This test checks the edge trigger sensitivity for all input channels.
1. Set up the oscilloscope using the following table:
Push menu button
Default Setup
Channel 1
Trig Menu
Acquire
Measure
Select menu option
—
Probe
Mode
Sample
Source
Type
Performance Verification
Select setting
—
1X
Normal
—
Channel under test
Pk-Pk
4–7