Denon AVR-2311CI Service Manual page 53

7. Complete the fi rmware updating
(1) Click the "Update" button.
(2) When writing of the fi rmware is completed, the power of this unit turns on automatically and you can see the "Update
completed" message.
(3) If you can't complete the fi rmware update, please retry the fi rmware update from "3. Turn on the AV receiver/
amplifi er".
8. Notice:
Please keep the following notice for fi rmware update.
(a) Keep the PC environment
(b) Avoid the communication cable from the electrical noise source.
(e.g. telephone cable, AC line, a fl uorescent light)
(c) Don't remove cable during update.
(d) Don't turn off the power during update.
(e) Don't run other PC application during update.
(f) Stop the resident program on PC (Virus checker and System check utilitu, etc)
(g) Stop the screen saver on PC.
(h) Stop the power save ability on PC.
(i) In case of laptop PC, Use the AC adaptor.
Confi rming the fi rmware's number after upgraded s
After completion of the updating operation, the new version number can confi rmed by starting up the AVR2311 or AVR891
according to the following procedure.
With the following operation, the AVR2311 or AVR891 can be set to the Flash ROM Version-Number Confi emation mode.
Turn on power switch while simultaneously pressing "DIMMER" and "STATUS" buttons on the front panel. Every time the
"STATUS" button is pressed, version number of the Model, Main, Sub, ... are indicated on the front panel section in the
following order.
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