Clarion NX404AU Owner's Manual page 118

A warning is displayed that if you choose to continue with restoring a backup, all changes
and updates will be lost that have been made after the backup date. Accept the warning only
if you are sure that no harm will be done to your important data.
The time needed to restore a backup is similar to the time needed to create a backup. Please
wait until the process is completed. Do not disconnect or switch off your device during the
process.
A status bar with the completeness percentage is shown while restoring a backup is in
progress. The status bar changes to 'Completed' when the process is finished.
Naviextras Toolbox then re-reads your device contents. You can continue using
Naviextras Toolbox or exit and disconnect your device after this point.
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