Sony PCM-3348HR Quick Reference page 34

15. Time Shift Editing Using the Sound Memory Function
External trigger mode
1
Press the MEM PLAY button.
2
Input the external trigger signal.
When the signal becomes active, it triggers playback from sound memory.
Playback starts from the sound memory editing start point (the value in the SA
register), and the MEM PLAY lamp changes from flashing to constantly lit.
•
When the non-retriggerable mode is selected
At the sound memory editing end point (the value in the EA register), sound
memory playback stops, and the unit returns to the sound memory playback
standby state.
Even if the trigger signal goes active again during the playback, playback
is not restarted.
•
When the retriggerable mode is selected
If the trigger signal goes active again during the sound memory playback,
playback restarts from the sound memory editing start point (the value in the
SA register).
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Time Shift Editing Using the Sound Memory Function