Sony MSW-900P Operation Manual page 75

6
To stop recording, press the VTR START button or the VTR button
on the lens again.
The REC indicator in the viewfinder goes off.
Cassette control buttons
During recording, the cassette control buttons (EJECT, REW, F FWD,
PLAY, STOP) have no effect.
Chapter 3 Recording and Playback
3
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