Stewart Filmscreen Corp LCD Front Projector - Manual (Page 13)

ABT-EM Trapdoor ElectriMask Electriscreen: Owner’s Manual 11
Figure 7: Screen trigger interface and low-voltage connections
for vertical masking unit
NEUTRAL-White
GREEN-Ground
HOT-Black
Optional 12V DC
Transformer with Switch
Door and Main Screen Operation
To Projector or AC Power Supply
4 Conductor Hook-up Cable—
20-24ga Recommended
Category 5 Typically Used (NOT
Supplied)
STOP-Yellow
COMMON-White
DOWN-Black
UP-Red
3-button
Momentary Switch
Masking control