Yamaha R-S300 Service Manual page 17

6. Click [E.P.R.], then the "Erase" screen appears. (Fig. 5)
7. Click [OK] to start writing. (Fig. 5)
8. When writing of the firmware is completed, the screen appears as shown below. (Fig. 6)
Click [OK]. (Fig. 6)
9. Click [Exit] to end FlashSta.exe. (Fig. 6)
10. Disconnect the power cable of this unit from the AC outlet.
11. Remove the RS-232C conversion adaptor and flexible flat cable from the writing port of this unit.
12. Connect the power cable of this unit to the AC outlet, start up the self-diagnostic function and check that the
firmware version and checksum are the same as written ones. (See "Confirmation of firmware version and
checksum")
Writing being executed.
Fig. 5
Fig. 6
R-S300
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