Sony DSR-1800AP Operating Instructions Manual page 57

If the following message appears in step 7 for an
A/V/TC/CM dubbing operation
i.LINK DUBBING
(A/V/TC/CM)
SDTI DUBBING IS ABORTED.
EXECUTE CM COPY?
COPY :YES KEY
NOT COPY:NO KEY
Monitor screen
When carrying out A/V/TC/CM dubbing, if you press the
STOP button to stop dubbing in step 7, or if dubbing stops
because the source tape is longer than the recording tape,
the above message appears to confirm whether or not to
copy the contents of the cassette memory.
To copy the contents of the cassette memory, press the
SET (YES) button.
If you do not wish to copy the contents of the cassette
memory, press the RESET (NO) button. If you press the
RESET (NO) button, however, the contents of the cassette
memory may not agree with the material recorded on the
tape.
Copy CM?
Time counter display
Digitally Dubbing Signals in DVCAM Format
57