About the USB driver

This driver supports for Windows 8.1 operating systems.

Supported operating systems:  Windows 8.1(64/32bit)/Windows 8(64/32bit) / Windows 7(64/32bit) / Windows Vista(64/32bit) / Windows XP SP3(64/32bit).

Note:  If your OS is Windows 8,7, Vista, XP or Mac OS, your OS does not require updating as the software is to comply with Windows 8.
The software is common for DC-901,DP-720, DP-550, DP-410 and DAC-40.

Updating procedure

  1. Click the download link below. Downloading starts.
  2. Save the downloaded file("USButy_v1r3.exe") to the appropriate folder.
  3. Double-click "USButy_v1r3.exe" to execute it. Then extract" USButy_v1r3" to your holder .
  4. After extraction

  5. Follow the instructions in USB_Utilities_Setup_Guide(.pdf) to install.

File name

USButy_v1r3.exe (Self-extracting LZH compressed file, 7.52 Mbytes)


For inquiries

For any questions on installation, etc., please contact your local Accuphase Official Distributor or your local Accuphase Authorized Service Station.

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