In The Control Room; In The Headphones - Solid State Logic SL 9000 J Series Operator's Manual

The SL911 Input/Output Module

In the Control Room

When laying fresh tracks it is possible to monitor either the GROUP or TAPE signal.
GROUP allows you to meter signals going to the multitrack.
Remember that when TAPE only is selected, you will only hear a signal if the
multitrack is playing, or if the multitrack automatically switches to Input when
stopped. When the machine is in Record the monitoring automatically switches to
GROUP. The metering however will continue to meter TAPE, which may in turn be
effectively GROUP if the machine switches to Input when in record. TAPE will allow
you to hear a "clean edit" when dropping in (i.e. the Sync output of the multitrack
prior to the drop-in point and then the Group Output after the drop in point, switched
when the track drops into record).
When over dubbing, selecting TAPE and GROUP together will allow you to hear the
artiste playing along with the previously recorded track prior to the drop-in, and then
the Group signal on its own during the drop-in.
It may seem like things are getting a little too complicated here. Don't you think it
would be better if we all agreed to record direct to 2 Track?

In the Headphones

Let's assume that both TAPE and GROUP are selected. This means that the mic is
always present in the headphones and allows the artiste to play or sing along with the
previous take, and in many cases pick up any complex nuances that were in the
original performance. The artiste will hear himself (or herself) as well as the machine
Sync output up to the drop-in point.
After the drop-in point, the TAPE signal is switched off.
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