Denon RCD-N9 Service Manual page 25

Select the "Version" in the "Setup".
q System u-com Version ：
The version of the System u-com.
w System u-com (Boot Loader) Version ：
The version of the boot loader System u-com.
e Network u-com(Boot Loader) Version ：
The version of the boot loader Network u-com.
r Network u-com (IMG) Version ：
The version of the image Network u-com.
Network Module CY920 not start upon completion
t Bluetooth Mac Address ：
Display the Bluetooth Mac Address.
"ENTER"
"Cursor i "
"Cursor i "
"Cursor i "
"Cursor i "
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