Atari 5200 Owner's Manual page 10

Controller
Storage
When
not
In
use, store
the
5200 controllers inside
the
console
unit
as
follows:
Unplug
the
5200
controllers
from
the jacks
at
the
front of
the console.
Wind
the
controller
cable
around
the
joystick.
Open
the
controller
storage
area
at
the
top
of
the console.
Place the controllers face
down
(head-to-head)
In
the
storage
area.
Gently close the cover
of
the
controller
storage
area.