Adjustment interval
The voltage and timing references inside the instrument are very stable over time and should not need routine adjustment.
If the instrument fails the performance tests in the Specifications and Performance Verification manual, adjustment may be
required. This manual was provided with your product, and can also be found at www.tektronix.com/manuals by searching for
your product.
If periodic calibration is one of your requirements, a general rule is to verify performance and make adjustments (only if needed)
every 2000 hours of operation or once a year if the instrument is used infrequently.
Adjustment
Adjustment can be performed only by a Tektronix Service Center. See Contacting Tektronix, following the title page in this
manual, for information on contacting Tektronix Service Support.
Flat panel display cleaning
The display is a soft plastic display and must be treated with care during cleaning.
CAUTION.
Improper cleaning agents or methods can damage the flat panel display.
Avoid using abrasive cleaners or commercial glass cleaners to clean the display surface.
Avoid spraying liquids directly on the display surface. Avoid scrubbing the display with excessive force.
Clean the flat panel display surface by gently rubbing the display with a clean-room wipe (such as Wypall Medium Duty Wipes,
#05701, available from Kimberly-Clark Corporation).
If the display is very dirty, moisten the wipe with distilled water or a 75% isopropyl alcohol solution and gently rub the display
surface. Avoid using excess force or you may damage the plastic display surface.
CAUTION. To prevent getting moisture inside the instrument during external cleaning, use only enough liquid to dampen the
cloth or applicator.
Appendix A, Maintenance
198 DPO70000SX Series User
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