Select a language:
Contact Sales for product demos and consultations.
Request Repair / Calibration
Request Sales Contact
Request Technical Support
Need help on product selection? Chat with Sales
Available 6:00 AM – 5:00 PM PST
Call us at
Available 6:00 AM – 5:00 PM (PST) Business Days
Contact us with comments,
questions, or feedback
Download Manuals, Datasheets, Software and more:
Have feedback? We'd love to hear your thoughts.
Whether positive or negative, your feedback helps us continually improve the Tek.com experience. Let us know if you're having trouble or if we're doing an outstanding job.
Tell us what you think
How do I upgrade the firmware on my Tektronix MDO4000 series oscillscope?
Please click on video below:
This FAQ Applies to:
No product series
FAQ ID 64631