Cambridge Audio 840A Service Manual page 62

5) Click the Load File button, the following window will be displayed:
Locate the file "840A.hex" and click open. The following window should be displayed:
6) Click the Download Code button, "Loading..." will be displayed on the LCD. The ABUS
processor will be programmed followed by the Main processor. Once the programming has
finished, "Programming Completed!" will be displayed and the 840A will reset.
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