From The Front Panel - Keithley 2280 Series Reference Manual

Series 2280 Precision DC Power Supply Reference Manual
To locate the upgrade files:
1. Go to the
2. Next to Enter model, type 2280, and select GO.
3. Select the Software tab.
4. Select the firmware link that you want to download (note that you will need to log in or register to
continue).
5. Once you are logged in, select the Download File button and choose where to download your
file. You can rename the file if you want.
6. Unzip the download file.
Disconnect the input and output terminals before you upgrade or downgrade.
Do not remove power from the Series 2280 or remove the USB flash drive while an upgrade or
downgrade is in progress. Wait until the instrument completes the procedure and shows the
opening display.

From the front panel

Do not turn off power or remove the USB flash drive until the upgrade process is complete.
From the front panel:
1. Copy the firmware upgrade file to a USB flash drive (the flash drive must be less than or equal to
2 GB and formatted in the FAT file format).
2. Verify that the upgrade file is in the root subdirectory of the flash drive and that it is the only
firmware file in that location.
3. Disconnect any input and output terminals that are attached to the instrument.
4. Turn the instrument power off. Wait a few seconds.
5. Turn the instrument power on.
6. Insert the flash drive into the USB port on the front panel of the instrument.
7. From the instrument front panel, press the MENU key.
8. Under System, select Information.
9. Select Upgrade, and press the ENTER key.
077085503 / March 2019
Product Support web page (tek.com/product-support).
Appendix A: Maintenance
A-3