Yamaha R-N402 Service Manual page 16

R-N402/R-N402D
3. The USB UPDATE mode is activated and "USB UPDATE" is displayed. Writing of the firmware starts automatically.
(Fig. 2)
Writing is started.
USB UPDATE
* If error message is displayed during writing of the firmware, refer to "List of Error Messages" to determine the
cause and perform the updating procedure again from the beginning.
4. When writing of the firmware is completed, "UPDATE SUCCESS", "PLEASE..." and "POWER OFF!" are displayed
repeatedly. (Fig. 3)
Writing is completed.
UPDATE SUCCESS
5. Press the "z" (Power) key to turn off the power. (Fig. 4)
6. Remove the USB storage device from the USB jack. (Fig. 4)
7. Start up the self-diagnostic function and check that the firmware version is the same as written ones.
(For details, refer to "Confirmation of firmware version")
" " (Power) key
16
VERIFYING...
PLEASE...
USB jack
USB storage device
Writing being executed.
Sx-x:xx%
S1: NET (Network module) section
S2: MAIN (IC301 on DIGITAL P.C.B.) section
S3: (Not for service)
S4: (Not for service)
S5: (Not for service)
Fig. 2
POWER OFF!
Fig. 3
Fig.4