Denon DN-700C Owner's Manual page 60

Serial remote control function
e Automatic output of status information when
the DN-700C status changes
When the DN-700C status or recording or playback file changes, or
when the storage status changes, the details of the change of status
are sent to the host.
Host device
Status command
The command sent at this time uses the same status information
command as w .
NOTE
About the command list see page "Appendix".
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