Denon RCD-M40 Service Manual page 30

1.4. MCU Updates
• Remove the AC power cord.
• Insert the USB memory into the USB port.
• Connect the power cord to an outlet.
• Press the "POWER" button on the remote control.
• Press the "iPod/USB" button on the remote control.
FLD L2
FLD L1
• Press and hold the "STOP" button on this unit for 5 seconds or more.
FLD L1
S e a r c h i n g
• "Start Update" is displayed.
L1
S t a r t
FLD
L2
E x i t
• Press "+/ 9 " on this unit.
• The firmware update starts.
• "MCU Update" is displayed.
FLD L1
M C U
• The firmware update finishes.
• It takes about 20 seconds to complete the writing procedure.
• The display is cleared.
L1
FLD
L2
• Remove the power cord from the outlet.
---Checking the Firmware Version After the Update---
After updating the firmware, check the version. "Version Display Mode"(See
---Cautions on Firmware Update---
• Never remove the USB memory before the update is finished.
• Never turn off the power before the update is completed.
L O A D I N G . . .
E M P T Y
U S B
U p d a t e
/ C o n t i n u e
U p d a t i n g
page 19)
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