Tektronix MSO70000 Series Technical Reference page 166

Performance Tests (MSO70000/C Series, DSA/DPO70000B/C Series, and DPO7000 Series)
3–70
i. Check remaining vertical scale settings against limits:
Check the remaining vertical scale settings for the channel under test
by repeating substeps a through h for each of the remaining scale
settings for the channel under test.
When doing substep f, skip the subparts that turn on the Chx
Amplitude mean measurement until you check a new channel.
When selecting a new channel and before doing substep e, touch the
Clear All button to remove the previous channel measurements.
j. Test all channels: Repeat substeps a through i for all four channels.
3. Disconnect the hookup: Disconnect the test hook up from the input connector
of the channel last tested.
MSO70000/C, DSA70000B/C, DPO7000B/C, DPO7000, MSO5000, DPO5000 Series