Track/Record Monitor Controls; A Track Bank Select - Alesis BRC Reference Manual

formatted part to the previously formatted part, there will be
timing discontinuities and the audio will do unpleasant things.
Also, during that transition the tape will be non-functional and
you will not be able to record anything over it. When in doubt,
either re-format the tape all the way to the end, or back up a bit
and perform a format extend (see previous section) when you
need to re-format over the transition zone.
• It's a good idea to format a tape from start to finish, but this isn't
necessary. To extend the format on a partially formatted tape,
enter format mode before the end of the previously formatted
section. Everything on the tape will be erased from that point on.
• Audio can be recorded while formatting is taking place, just in
case you have a hot musical idea you wish to preserve in a hurry,
but have no formatted tapes. Simply put the desired tracks into
record-ready (see section 3.2B) before pressing the FORMAT
button. Tracks not record-enabled prior to pressing the FORMAT
button will be recorded with silence, and cannot be record-enabled
once formatting begins.
• Tapes can be bulk-erased with a bulk tape eraser designed to erase
VCR cassette tapes..
3.2 TRACK/RECORD MONITOR
CONTROLS
These controls determine which tracks will be recorded on in record
mode, and whether tracks will monitor the input or taped signal.

3.2A Track Bank Select

The four buttons located just below the track enable buttons (labeled
TRACK 1–32, TRACK 33–64, TRACK 65–96 and TRACK 97–128),
determine which group of tracks the track enable buttons will control.
The selected group's LED will be lit. To put a track into record, you
must first select the appropriate group which that track belongs to.
Note: The Track Bank Select buttons will not function if no ADATs
for a group are connected. For example, if you only have four
ADATs in your system (32 tracks), the TRACK 1–32 button's LED
will always be lit but the TRACK 33–64, TRACK 65–96 and
TRACK 97–128 buttons will not respond when pressed.
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