• Search for USB devices: If selected, LJControlPanel will include USB when searching
for devices.
• Search for Ethernet devices using UDP broadcast packet: Does not apply to the U3.
• Search for Ethernet devices using specified IP addresses: Does not apply to the U3.
1.2 Self-Upgrade Application (LJSelfUpgrade)
The processor in the U3 has field upgradeable flash memory. The self-upgrade application
shown in Figure 1-5 programs the latest firmware onto the processor.
USB is the only interface on the U3, and first found is the only option for self-upgrading the U3,
so no changes are needed in the “Connect by:” box. There must only be one U3 connected to
the PC when running LJSelfUpgrade.
Click on “Get Version Numbers”, to find out the current firmware versions on the device. Then
use the provided Internet link to go to labjack.com and check for more recent firmware.
Download firmware files to the …\LabJack\LJSelfUpgrade\upgradefiles\ directory.
Click the Browse button and select the upgrade file to program. Click the Program button to
begin the self-upgrade process.
Figure 1-5. Self-Upgrade Application
If problems are encountered during programming, try the following:
1. Unplug the U3, wait 5 seconds then reconnect the U3. Click OK then press
program again.
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