Sony MAV-555 Maintenance Manual page 19

Download procedure
1. Start up the GCD loader.
2. Input the Target Address.
3. Select [Information] _ [Target Version] from the top menu.
4. Click the Version button of each board and confirm the current version.
5. Press the Close button.
6. Click the check box of the board to be downloaded.
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The upgrade can be performed using the above procedure for the following boards only:
FM-68, TM-40, DM-120, EM-1
MAV-555
1-4. Upgrading the Software (excluding PU-109 board)
1-9 (E)