A: Maintenance Model 2450 Interactive SourceMeter® Instrument
A-4 2450-901-01 Rev. B/September 2013
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.
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 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 Manage.
8. Select the type of upgrade you want to do:
• To upgrade to a newer version of firmware: Select Upgrade to New.
• To return to a previous version of firmware: Select Downgrade to Older.
9. If the instrument is controlled remotely, a message is displayed. Select Yes to continue.
10. When the upgrade is complete, reboot the instrument.
A message is displayed while the upgrade is in progress.
Using TSP
Do not turn off power or remove the USB flash drive until the upgrade process is complete.
Using TSP over a remote interface:
1. Copy the firmware upgrade file to a USB flash drive.
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 the input and output terminals that are attached to the instrument.
4. Power on the instrument.
5. Insert the flash drive into the USB port on the front panel of the instrument.
6. Send the command for the type of upgrade you want to do:
• To upgrade to a newer version of firmware, send:
upgrade.unit()
• To return to a previous version of firmware, send:
upgrade.previous()
7. After completion of the upgrade, reboot the instrument.
A message is displayed on the front panel of the instrument while the upgrade is in progress. In
addition, the LEDs in the upper right of the front panel blink while the upgrade is in process.
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