Software Upgrade Instructions Lexicon
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TO UPGRADE THE MC-12HD:
Note:
It will take about 45 minutes to upgrade the MC-12HD. Avoid using the
MC-12HD while the upgrade is in progress.
1. Exit all computer programs.
2. Power off the MC-12HD with the rear panel power switch.
3. Connect the male end of the serial extension cable to the RS-232
connector labeled 1 on the MC-12HD rear panel.
4. Connect the female end of the serial extension cable to the appro-
priate connector on the computer.
If this is a USB connector, a USB-to-serial port adapter is
required.
5. Power on the MC-12HD with the rear panel power switch.
6. When the MC-12HD completes its initialization sequence, double-
click the
LexMC12Vx.xx Updater icon (where x.xx indicates the
version)
on the computer desktop.
The “Lexicon MC-12HD Updater, Version x.xx” window
displays.
7. To change the default COM1 setting, click the down arrow under
“Select Computer COM Port” and select a different COM port.
8. To skip saving the current MC-12HD configuration, click to select
the Skip Config Save checkbox.
9. Click the
Update MC-12HD button.
If the MC-12HD is connected to a USB connector, refer to the
USB-to-serial port adapter documentation for assistance
selecting the appropriate computer COM port.
10. The message “About to download to MC-12HD. Want to continue?”
pops up. Click
OK to begin downloading to the MC-12HD.
To cancel the upgrade, click
Cancel. When the upgrade is
cancelled, the MC-12HD continues to run on the currently
installed software version.
If you did NOT previously select the “Skip Config Save”
checkbox, the message “Getting configuration data from MC-
12HD” displays while the software attempts to retrieve current
user settings from the MC-12HD. This process lasts about 2
minutes.
If the computer CANNOT retrieve the configuration data:
The message “Failed to communicate with MC-12HD. Please
check connections and try again” displays on the computer.
Click
OK to continue.
The message “Could not retrieve or save your current MC-12HD
configuration. Would you like to update? If you do, you will lose
your current configuration?” displays on the computer.
•Click
Yes to continue upgrading the MC-12HD WITHOUT
preserving user settings.
•Click
No to cancel the upgrade. Settings are preserved and
the MC-12HD continues using the currently installed
software version.
The following actions occur as the upgrade continues:
• The message “Preparing MC-12HD for download” displays on
the computer.
• The MC-12HD restarts, and the message “WAITING FOR
DOWNLOAD” displays on the front panel.
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