Marantz HD-DAC1 Service Manual page 31

2. Procedure for upgrading IC32
2.1. Items to Be Prepared
(1) Personal Computer (Be installed "ItfUsbDsd-HidWriter.exe").
(2) USB cable (A type-B type).
2.2. Updating procedure
(1) Connecting the USB cable to the unit.
(2) Press the "Power operation" button to turn on the power.
(3) Run the "ItfUsbDsd-HidWriter.exe".
Click "HID XX".
(4) Click "Download".
(5)Status order are below.
Erasing
Programming
Verifying
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