Performance Verification
10. Disconnect the
test setup.
11. Repeat steps 1 through 10 for all input channels.
Check Sample R
ate
Accuracy and Delay Time
Accuracy
This test checks the time base accuracy.
1. Set up the oscilloscope using the following table:
Push menu bu
tton
Select menu
option
Select sett
ing
Default Se
tup
——
Channel 1
Probe 1X
2. Connect the oscilloscope to the time mark generator as shown in the following
figure:
3. Set the time mark generator period to 10 ms.
4. Set the oscilloscope Vertical Scale (volts/division) to 500 m V/div.
5. Set the oscilloscope Main Ho r izontal Scale (seconds/division) to 1ms/div.
6. Push Set To 50%.
7. Use the Vertical Position control to center the test signal on screen.
8. Us
etheHorizontal Position control to set the position to 10.00 ms.
9. Set the oscilloscope Horizontal Scale (seconds/division) to 250 ns/div.
4–6 TBS1000 Series O scilloscope Service Manual
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