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MRC88 / MRAUDIO8X8 QUICK START GUIDE
08905142A
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COLD FIRMWARE UPGRADE
Cold Firmware Upgrades should be performed when the MRC88 firmware is
more than 5 versions older than the most current version on the Xantech
Firmware Upgrade Page or if the MRC88 Controller is not functioning correctly.
Figure 18 – Cold Upgrade
1. Start Universal Dragon™, connect the programming cable to the front of the
MRC88 and open a MRC88 project.
2. In the Base Unit Menu, select Upgrade, then MRC88, then Cold Upgrade.
3. The Open Window will appear. Double-click the firmware file that was just
downloaded in Section: Downloading Firmware Files From the Web/Step 6
above to begin the update process.
4. Follow the instructions in the pop-up for completing the procedure.
5. After the firmware transfer is completed, in the Base Unit Menu, select
WhoAmI. The WhoAmI ? Window will appear and display the three-digit
firmware version that was just loaded into the MRC88 Controller. If this is true,
the new firmware has been successfully installed and is ready for use. If not,
confirm downloaded firmware version, connections and try again.
6. After the upgrade is complete it will be necessary to do a Transfer Project to
load the system project back into the Controller.