Aiwa HV-BR3000 Operating Instructions Manual page 38

This VCR can record the data referring to the recording date, input
source (channel, LINE 1 or LINE 2), timer ON and OFF times and tape
speed at the beginning of the tape for 10 seconds before the preset timer
ON time.
To activate the data recording function, set the DATA REC switch inside
the front door to ON before setting the timer recording program.
Notes
• Data recording cannot be activated if the unit does not enter the
standby mode 30 seconds before execution time.
• During special playback of a tape recorded using the data recording
function, the picture will be skewed.
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