Bose 3-2-1GS SERIES III Owner's Manual page 14

SETUP
.
Insert this plug into the connector labeled
the back of the Acoustimass ®module.
on
.
.
On the other end of the cable, make sure you can
see the arrow on top of the plug.
Insert this plug into the connector labeled
Acoustimass Module on the back of the
media center.
6. Continue with _ on the next page.
Make sure the arrow on the plug faces up as you
insert it.
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