Sony BVM-L230 Service Manual page 34

Upload (Overwrite all files.)
(10)After completing the upload, select the menu bar "View" → "Refresh (R)", or press the [F5] key of
PC to update the file information to the latest information.
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Wait approximately 5 seconds before turning off the power after completing the upload of the files
using ftp. Even if the upload is completed on FFFTP, it may be still in the state of uploading in this
unit.
(11)Turn off the power of this unit.
3. Serial number check
(1) Turn on the power of this unit.
(2) Select "STATUS" menu in the main menu and check that "Serial No" matches the serial number
attached on the model nameplate of this unit.
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The serial number can be checked only in the software version Ver. 1.11 or later.
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BVM-L230