Stewart Filmscreen Corp LCD Front Projector - Manual (Page 11)

Connecting the dual screen trigger interface option
(vertical masking)
Note: The dual screen trigger interface option is not available for the
horizontal masking system.
The optional 12V screen trigger interface enables up and down operation of
the screen and mask in conjunction with a projector, tuner, VCR, cable box,
or switched AC outlet.
Once the AC power outlet is installed near the screen, an electrician is not
needed to connect the screen trigger interface to the power source.
Note: An optional 12V DC transformer is used if there is no 12V power
source from the projector or AV control center.
Preparing the connection
Before making the electrical connections, you need:
‹ An available AC constant power source installed near the screen
Making the connection
Figure 6 illustrates the connections.
1. Attach each 12V trigger wire to the jack on the box.
2. Connect the main AC power source to the the J-box labeled
“main AC power connection.”
Note: The two toggle switches on the electrical connection housing are
used by the factory only. Do not adjust.
ABT-EM Trapdoor ElectriMask Electriscreen: Owner’s Manual 9
Figure 6: Dual screen trigger interface connection
Optional 12V DC
Transformer with Switch
Screen
Mask
Optional 12V DC
Transformer with Switch
To Projector
or
AC Power Supply
To Projector
or
AC Power Supply
NEUTRAL-White
GREEN-Ground
HOT-Black
Caution
Refer to the First Time
Activation note in the
section “Operating the
Screen.”