Marantz NR1504 /U1B - 1.7. Complete Firmware Updating; 1.8. Notice for Firmware Update

1.7. Complete the rmware updating
(1) Click the "Update" button.
(2) When writing of the rmware is completed, the power of AV receiver turns on automatically and you can see the
"Update completed" message.
When U2603 is replaced, update the rmware and then run
“Network Initialization mode”
.
（
47 page)
(3) If you can’t complete the rmware update, please retry the rmware update from "
1.3. Turn on the AV receiver
".
1.8. Notice:
Please keep the following notice for rmware update.
(a) Keep the PC environment.
(b) Avoid the communication cable from the electrical noise source.
(e.g. telephone cable, AC line, a 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 utility, 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.
Conrming the rmware’s number after upgraded
After updating the rmware, check the version. Refer to "
1. μcom/DSP Version display mode
" (25 page ).
XXXXXXX
XXXXXXXX
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