Software updates
T
o update the application software:
1. Go to www.tek.com/product-support.
2. Enter a model number (MSO44 or MSO46) in the Enter Product or Product Series Name field and click Go. Any 4 Series model
number will do, as all models use the same software update.
3. Click the Software tab.
4. On the oscilloscope, tap Help > About.
5. Compare the version number of the installed software to the version on the web:
a. If the version number on the oscilloscope is the same as the version on the web, you have the latest version. You do not need to
install new software. Exit this procedure.
b. If the version number on the oscilloscope is a lower number than the version on the web, you can download and install new
software. Continue with the rest of this procedure.
6. Select the highest-numbered version (4 Series MSO Embedded OS Firmware - VX.X).
7. Click Download File to start the download.
8. When done downloading, unzip the downloaded file.
9. Open the file install.txt and follow the instructions in the file.
After repair
After removal and replacement of the power supply module, you must perform the Performance Verification procedures, found in the
Specifications and Performance Verification manual (Tektronix part number 077-1546-XX). Download this manual from the Tektronix Web
site (www.tek.com/manuals).
If the instrument fails the Performance Verification tests, it must be returned to a Tektronix Service Center for adjustment.
Maintenance
4 Series MSO (MSO44, MSO46) Service 32
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