Canon T2000 - Manual (Page 32)

you turn the knob clock­
wise, you will not only in­
crease the volume of new
sound on the track, but at
the same time decrease the
volume of previous sound
that may already be on
the same track. In other
words, new recording is
here coupled with pro­
portionate partial erasure
which, in the maximum
setting at the right-hand
stop, becomes full erasure
and thus complete re­
recording.
The partial erasure feature
means that if you wish to
obtain a straightforward
fade-in on a track which
already carries a record­
ing, you will first have to
erase a certain length of
that track fully (with the
trick control turned all the
way to the right but no
sound source connected to
input (9)), then rewind the
film, start the projector in
the recording mode and
turn the trick control
clockwise until you reach
its right-hand stop.
If, on the other hand,
you wish to fade a new
recording into an existing
one on the same track, all
you have to do is start
the projector in the
recording mode and slowly