The Operating Manual for DENON AV Receiver firmware update.
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3. Specific update mode.
If you failed update during Main CPU update, then you need to use this specific update procedure.
1) The AV Receiver is connected with PC with the RS-232C cable. Refer to 1.3.
2) Push the ‘SPEAKER A’ + ‘ZONE 2’ button simultaneously.
And turn on the power switch of the AV Receiver.
3) Power indicator indicates red color. This is specific update mode.
4) Please execute the firmware update. Refer to 2.3.
4. Confirming the firmware’s number after upgraded
After completion of the updating operation, the new version number can be confirmed by
starting up the AVR-887BKE3 according to the following procedure.
With the following operation, the AVR-887BKE3 can be set to the Flash-ROM
Version-Number Confirmation Mode.
Turn the power of the AVR-887BKE3 on, while holding both “STATUS” button and
“DIMMER” button on the front panel simultaneously.
Every time the “STATUS” Button is pressed, version numbers of the MAIN, SUB,
etc. are indicated on the front panel section in the following order.
Depression
Button
Name
Remarks
1 STATUS
MODEL
AVR
2
STATUS
MAIN
00.66
3 STATUS
SUB
00.28
4 STATUS
DSP
35.23
STATUS
DIMMER
Turn
Power ON
＋
＋
