Furuno FS-1575 Service Manual page 511

10. The message saying "Writing---" will switch to "Completed." With that, the
FS-2575C program update is completed.
The window will black out once, and then the "Initializing..." popup window will
automatically appear to display the RT window.
11. In case of an improper combination of the 78K CPU program of the T-CPU
and the updated program, the popup window will appear (1) and, after a lapse
of 40 seconds, the update of 78K CPU program will be initiated (2). In case of
a proper combination, the program update is completed.
(1)
Note)
Programs to be downloaded in Step 11 cover the 78K BOOT program and 78K
application program. Downloading of these programs can be verified by selecting
[MENU] -> 9.SERVICE -> 5.TEST -> 1.VERSION -> [FS-2575T] -> "78K BOOT"
and "78K APP."
12. When the "78K Download" popup window shows "100%," the update of the
CPU program is completed.
The window will black out once, and then the "Initializing..." popup window will
automatically appear to display the RT window.
CONFIDENTIAL (internal use only)
This confidential document is used only by FURUNO authorized persons.
It is strictly prohibited to reproduce the document in whole or in part without prior written permission of FURUNO.
(2)
8-11
8.1 FS-xx75 Updating Program