Sony DCR-TRV75 Operating Instructions Manual page 85

Dubbing only desired scenes – Digital program editing (on tape)
Note
You cannot operate recording during Digital program editing.
On a blank portion of the tape
You cannot set IN or OUT.
If there is a blank portion between the IN point and the OUT point on the tape
The total time may not be displayed correctly.
Erasing the program you have set
Erase OUT mark first, and then IN mark of the last set program.
(1) Press UNDO.
(2) Press ERASE 1 MARK. The last set program mark flashes, then the DELETE ?
indicator appears.
(3) Press EXEC. The last set program is deleted.
To cancel erasing
Press CANCEL in step 3.
Erasing all programs
(1) Follow the step 2 to 5 on page 84.
(2) Press UNDO.
(3) Press ERASE ALL. All the set program marks flash, then the DELETE ?
indicator appears.
(4) Press EXEC. All the set programs are deleted.
To cancel erasing all programs
Press CANCEL in step 4.
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