Sony Handycam DCR-PC105 Operating Instructions Manual page 72

Interval Recording
(8) Select the desired recording time, then press EXEC.
(9) Press
(10) Set INT. REC to ON, then press EXEC.
(11) Press EXIT to return to FN.
(12) Press START/STOP to start Interval Recording.
To cancel Interval Recording
Set INT. REC to OFF in the menu settings.
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The time: 0.5SEC y 1SEC y 1.5SEC y 2SEC
RET.
The INTERVAL TAPE indicator flashes on the screen.
The INTERVAL TAPE indicator lights up during Interval Recording.