Sony DRN-XM01C Service Manual page 23

4. When File t Open is selected on the menu bar, the file selection dialog box appears. Select the firmware update file (extension .rom) for
the DRN-XM01 and confirm the file version that appears in File Version (4) text box. When the characters "------" are displayed in the
Serial No text box, input the serial number that is printed on the label on the back of the machine, into the Serial No text box.
5. When Firmware t Write Firmware is selected, the following progress dialog box appears.
DRN-XM01C/XM01R/XM01H/
XM01CK/XM01HK
Ver 1.1 2001.12
23