
Update Troubleshooting
Follow these tips to troubleshoot any update problem you encounter:
• When prompted, be sure to turn off the scanner, remove the batteries, and hold down both the L/O
and 6 buttons while plugging in the AC adapter. The blue backlight should come on and remain
on until the end of the update.
• If an error occurs during the update, simply repeat all steps, including removing power, holding
down L/O and 6, and plugging in AC power. Even if the backlight is already on, you need to
repeat this step if you restart the update.
• Almost all update error messages are caused by:
o Incorrect COM port selection: Be sure you have selected the COM port that the scanner is
plugged into.
o COM port software conflicts: No other software can be running that uses the COM port.
Be sure to close UASD and any other scanner control software. Also, if you have ever
used a PDA with this PC, there is probably synchronization software running all the time
that takes over the COM port. You can usually stop that software by right-clicking on its
icon in the lower right side of your PC screen, then selecting “Quit” or “Exit.”
• If your PC does not have a COM port, you can use a USBÆRS232 adapter. Uniden sells such an
adapter specifically for this scanner (Model USB-1). Or, you can use many other adapters that are
available at computer retailers. Note that some adapters do not work, or require updated drivers.
Uniden only supports the USB-1.
• If some or all of your systems do not scan as expected, restore your scanner’s programming using
UASD. Select “Write to Scanner” from UASD’s main menu and select the backup you created
before you performed the firmware update. (You will need to register UASD in order to write all
systems back to your scanner.)
Updating your Registration Information
After you apply this update, your scanner will have an ESN (electronic serial number) and ESN
checksum. To get future updates, you must register this information at My Uniden. You can find this
information in your scanner by selecting MENU Æ Settings Æ See Scanner Info Æ Firmware Version.
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