Performance Verification
4-6
TDS3000B Series Service Manual
This test checks the DC voltage measurement accuracy in the average acquisition
mode.
1. Set the DC voltage source output level to 0V.
2. Connect the DC voltage source to the oscilloscope channel 1 input as shown
below. Push the channel 1 selection button (CH 1).
DC voltage
source
Ch 1
Oscilloscope
3. Push the SAVE/RECALL menu button.
4. Push the Recall Factory Setup screen button and then push the OK
Confirm Factory Init screen button.
5. P ush the acquire MENU button.
6. Push the Mode screen button and then push the Average screen button.
7. Adjust the number of averages to 16 with the general purpose knob.
8. Go to step 11.
9. Move the DC voltage source output cable to the oscilloscope channel you
want to check.
10. Push the channel button (CH 1, CH 2, CH 3,orCH 4) for the channel you
want to check.
11. Push the MEASURE menu button.
12. Push the Select Measurement screen button.
13. Push the -- m o r e -- screen button until you can select the Mean measure-
ment.
14. Push the vertical MENU button.
Check DC Voltage
Measurement Accuracy