Stewart Filmscreen Corp B - Manual (Page 7)

Unpacking
1. Remove the outer plastic covering and white wrapping paper
surrounding the screen case.
2. Do not remove the wrapping paper surrounding the screen roller.
You should remove it only after the unit is hung and all electrical
connections have been made.
3. Remove the batten lock-down screws located on the back side of
the case.
Luxus A/SR-1 Electriscreen: Owner’s Manual 5
Warning!
Failure to remove the batten lock-down screws can result in
permanent damage to the screen.