Performance Verification
12. Set the Acquisi
tion mode to Sample as follows:
a. Push the front-panel Acquire button.
b. Push the Mode lower-bezel button (if it is not already selected).
c. Push the Sample side bezel button.
13. Repeat the tests at 50 Ω as follows:
a. Push the front-panel channel 1 button.
b. Set the Te r
mination (input impedance) to 50 Ω.
c. Push the front-panel Wave Inspector Measure button, and repeat steps 6
through 1
2.
14. Repeat the tests at 250 MHz bandwidth as follows:
a. Push the front-panel channel 1 button.
b. Set the Termination (input impedance) to 1MΩ.
c. Push the bottom-bezel Bandwidth button.
d. Push the side-bezel 250 MHz button.
e. Push t
he front-panel Waveform Inspector Measure button.
f. Repeat steps 6 through 13.
15. Repeat the tests at 20 MHz bandwidth as follows:
a. Push the front-panel channel 1 button.
b. Set the Termination (input impedance) to 1MΩ.
c. Push the bottom-bezel Bandwidth button.
d. Pu
sh the side-bezel 20 MHz button.
e. Push the front-panel Waveform Inspector Measure button.
f. Repeat steps 6 through 13.
16. Repeat the procedure for all remaining channels as follows:
a. Push the front-panel button to deselect the c hannel that you have already
tested.
b. Place the BNC dust cap on the next channel to be tested.
c. Starting from step 4, repeat the procedure for each input channel.
70 MSO4000B and DPO4000B Series Specifications and Performance Verifi
cation