Interactive SourceMeter® Instrument Reference Manual Section 9:
Frequently asked questions (FAQs)
2461-901-01 A/November 2015 9-7
How do I upgrade the firmware?
Do not turn off power or remove the USB flash drive until the upgrade process is complete.
You can upgrade or downgrade the firmware from the front panel or from the virtual front panel.
Refer to Using the Model 2461 virtual front panel (on page 2-77) for information.
From the front panel or virtual front panel:
1. Copy the firmware file (.upg file) to a USB flash drive.
2. Verify that the firmware 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 on instrument power.
5. Insert the flash drive into the USB port on the front panel of the instrument.
6. From the instrument front panel, press the MENU key.
7. Under System, select Info/Manage.
8. To upgrade to a newer version of firmware, select Upgrade to New.
9. To return to a previous version of firmware, select Downgrade to Older.
10. If the instrument is controlled remotely, a message is displayed. Select Yes to continue.
11. When the upgrade is complete, reboot the instrument.
A message is displayed while the upgrade is in progress.
For additional information about upgrading the firmware, see Upgrading the firmware (on page A-3).
Where can I find updated drivers?
For the latest drivers and additional support information, see the Keithley Instruments support
website.
To see what drivers are available for your instrument, go to http://www.tek.com/ and search for the
model number of your instrument.
If you use the native LabVIEW
TM
or IVI driver, you must configure the Model 2461 to use the SCPI
command set. For information on changing the command set, refer to How do I change the
command set? (on page 9-5)
Why can't the Model 2461 read my USB flash drive?
Verify that the flash drive is formatted with the FAT file system. The Model 2461 only supports FAT
drives.
In Microsoft
®
Windows
®
, you can check the file system by checking the properties of the USB flash
drive.
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