uOTDR_v404_E.zip
                                                  No. PSD1-1SG100013-34

In the Zip file of uOTDR_v404 consists of the following directories.
Please refer to "uOTDR_DownloadManual_E04.pdf" in this zip file about 
each upgrade procedure.

[uOTDR_v404_E.zip]
  "uOTDR_404.BBM" is firmware update file.
  "uOTDR_DownloadManual_E04.pdf" is the download manual.
  "MU909014_ReleaseNote_v404_E.pdf" is the release note.
