B245/B276/B277/B268/B269 Service Manual 18-Jan-06
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Engine (BICU) Firmware Update Procedure
1. Turn the main switch off.
2. Remove the card cover [B] (1 rivet).
3. Insert the flash memory card [A].
4. Press down the power switch on the operation panel and hold it, and turn on the
main switch.
5. Select "Execute" [C].
6. Do not touch any key while the message "Load Status..." shows. This message
indicates that the program is running.