Use this procedure to upgrade the Series 3700 firmware directly from a USB flash drive using a
*.cab file. The upgrade process should take approximately 5 minutes.
CAUTION Do not turn off unit or remove flash drive during the upgrade procedure unless
specifically instructed to do so.
1. Copy upgrade *.cab file to a blank USB flash drive (make sure drive size is large enough for
the size of the upgrade file).
2. Power on the Series 3700.
3. Install a USB flash drive in the front panel connector.
4. To upgrade over the bus:
Send the following command: upgrade.unit()
To upgrade from the front panel:
Press the MENU key.
Turn the wheel to scroll to "UPGRADE" and press the wheel.
Answer YES to the question UPGRADE UNIT? (select "Yes" and press the wheel).
5. The Series 3700 upgrade status will be displayed, including the percentage. When the file
has been unpacked, the upgrade status will be displayed as it is upgraded (first units
installed in the slots including the DMM if installed, and then the Main Series 3700).
6. The Series 3700 reboots automatically when the upgrade is complete.
Upgrade Procedure Using USB Flash Drive