Marantz NR1504 /U1B Service Manual page 28

1.4. Version display on the Setup Menu
Use the following procedure to display the firmware version.
(1) Press the "SETUP" button on the remote control.
(2) Select "General-Information-Firmware".
A version with 12 digits is displayed as shown in the following image.
The displayed 12 digits are derived from each device version as shown below.
Mainμcom
DSP
A.PLD
GUI
DM860 FBL
DM860 SBL B 2 0 1 2 0 9 2 1 0 5 4 6
DM860 IMG I 2 0 1 2 1 0 2 2 0 9 5 8
This firmware version No. (xxxx-xxxx-xxxx) is included in the service contact document.
b
These 12 digits are also included in the document.
Firmware
Version
8200-2593-2131
GUI Image
The 1st digit from the right for DSP
The 1st digit from the right for A.PLD
0 0 2 3 0 0 1 6
8 2 0 2
2 2 0 5
6 4 1 1 0 0 0 6
0 9 0 3 1 1
The 6th digit from the right for Main μcom
The 5th digit from the right for Main μcom
The 2nd digit from the right for Main μcom
The 1st digit from the right for Main μcom
5 2 0 0 - 3 2 6 1 - 6 0 8 5
Info display
The 1st digit from the right for GUI
The 2nd digit from the right for GUI
The 1st digit from the right for IMG
The 2nd digit from the right for IMG
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