Stewart Filmscreen Corp Projector Accessories AVS 1005 User Manual

AVS—Automatic  
Vertical Screen  
O W N E R ’ S  
M A N U A L  
To the Owner  
Installation Instructions  
Operating the Screen  
Maintenance  
AVS-1005  
TO T H E I N S TA L L E R : BE S U R E TO L E AV E T H I S M A N U A L W I T H T H E O W N E R .  
 
AVS—Automatic  
Vertical Screen  
O W N E R ’ S  
M A N U A L  
Contents  
To the Owner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
Preparing the Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Installation and Electrical Hook-up . . . . . . . . . . . . . . . . . . . . . 4  
Operating the Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
Adjusting the Screen Extension . . . . . . . . . . . . . . . . . . . . . . . . 7  
Screen Care and Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
Automatic Vertical Screen: Owner’s Manual  
1
 
TO THE OWNER  
Congratulations on your purchase of the finest optical viewing screen  
available anywhere in the world!  
Please take a moment to review this manual—it will help ensure you many  
years of trouble-free service from your new Stewart Filmscreen product.  
About your Automatic Vertical Screen (AVS)  
The AVS screen enclosure is below the image position, and can be  
concealed in a sideboard, credenza, or in the floor. When the screen is  
activated, the trap door mechanism automatically opens and the screen  
ascends on spring-loaded arms to its full position.  
The trap door face plate can be painted or laminated to perfectly match the  
decor of the installation environment.  
Model options  
The AVS is available in three models:  
With adjustable stands and casters for ease in portability  
Floor recessed, when a completely hidden screen is required  
Wall mount  
An auto anti-keystone tilt feature is available as an option for all systems;  
this feature must be preset at the factory.  
Batten  
Safety cable  
Audience right  
Arm  
Electrical connections:  
AC, control switch  
(slight bend is  
normal when screen  
is extended)  
Door  
Case / housing  
Figure 1. AVS components, back view  
2
Stewart Filmscreen Corporation  
 
PREPARING THE INSTALLATION  
Note: This manual refers to “AC” to represent electrical power. Your  
location may use 120 V, 220 V or other electrical power. Screen systems  
are manufactured using the electrical power type specified for the location.  
Use appropriate power sources for your location.  
Preparation  
Specifications regarding the individual screen dimensions, weight, mounting,  
and controls are provided by the factory when the unit is ordered. Before  
beginning the installation:  
Check the specifications for any options.  
Prepare the location for the AC power.  
Ensure site has clearance for the screen when it is fully extended,  
and that there are no obstructions in its path.  
Check the size and weight of the screen to be installed so that  
you can plan for the number of people required to move it. You  
need at least two people for the smaller screens; more are  
needed for larger, heavier screens.  
You will need:  
A level  
Electrician tools for connecting the low-voltage control switch.  
Automatic Vertical Screen: Owner’s Manual  
3
 
INSTALLATION AND ELECTRICAL HOOK-UP  
Caution  
Professional techniques need to be used when making any  
electrical connection. A qualified electrician should perform  
these procedures.  
Be sure to follow all standard safety procedures for  
installing electrical devices.  
Do not disassemble or alter the configuration of the motor  
or the unit's electrical connections. This may cause injury to  
you or damage to the product.  
The electrical connection should be made only to the type  
of power source indicated on the marking label.  
Installing the AVS  
Position the case so that the motor connection is at audience  
right. Do not attach any items to the batten or screen assembly,  
the door assembly, or the arm assembly.  
Ensure that the case is level and plumb.  
If the screen is large, secure the case (for example, bolt to the  
floor). Attach L-angle mounts to the end plates, if required. Do  
not drill into front or back sides of housing to attach mounting  
hardware.  
Caution  
Do not make any adjustments to the steel cables.  
Do not remove or loosen any bolts on the case or spring  
arms.  
AC connection  
AC electrical hook-up  
The motor requires standard AC power, hardwired using a Romex  
connection. The connection is made to the J-box on the side of the unit  
(audience right).  
General suggestions for wiring:  
Soldering is recommended.  
The use of wire nuts is acceptable.  
Figure 2. AC connection  
4
Stewart Filmscreen Corporation  
 
Installing the low-voltage 3-button switch on the wall  
The Stewart Filmscreen low-voltage control allows the use of Class 2 low-  
voltage wire to connect to the supplied 3-position momentary wall switch or  
auxiliary AV switching systems.  
The switch control plate is connected to the unit’s J-box at the factory. You  
can use the switch temporarily in this position to test the AC connection.  
Remove the switch from the J-box and connect it at an appropriate wall  
location.  
Note: If an IR option has been ordered, the sensor is already connected to  
the low voltage control box inside the case. The wire is passed through the  
J-box with the low voltage switch control wiring. Position the sensor  
appropriately for the location.  
Preparing the connection  
Before making the electrical connections, you need:  
An available AC constant power source  
A 4-conductor switch hook-up cable (4-conductor bell wire,  
communication or category 5 cable is typically used for long runs)  
Cat 5, multi-conductor unshielded, or similar type electronic cable  
can be used to connect the 3-button switch to the LVC. The  
recommended wire gauge is 20 to 24 AWG. Use plenum-rated  
cable when required.  
Making the connection  
The AVS has two J-boxes located on the audience right side of the case:  
one is for AC power, and the other is for the switch control. Figure 3  
illustrates the connections.  
1. Connect the switch to the J-box on the side of the case  
(audience right). Do NOT leave the switch installed in the case.  
2. A parallel connection to an outboard audio-visual switching  
network can be made at this time (optional). Use only momentary  
switches for this option.  
3. Use the switch to test the operation. Refer to the next section for  
cautions.  
AC power  
STOP-Yellow  
COMMON-White  
UP-Red  
DOWN-Black  
4 conductor hook-up cable  
20-24ga recommended,  
Category 5 typically used  
(NOT supplied)  
3-button  
momentary switch  
Figure 3: Low voltage 3-button switch wiring  
Automatic Vertical Screen: Owner’s Manual  
5
 
Connecting the Screen Trigger Interface (STI) option  
The optional low-voltage STI enables operation of the screen 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. Attach  
the 12 V trigger wire (2 conductor 20-24 gauge) to the jack in the J-box as  
shown in Figure 4.  
To Projector  
or  
AC power source  
Optional 12 VDC  
transformer  
with switch  
Figure 4. Connecting the STI  
OPERATING THE SCREEN  
Use the switch or remote control to activate the screen. Do not block the  
path of the door or screen when in motion.  
WARNING!  
When you lower or retract the screen, it will stop at its factory preset limit  
and the door will close.  
When operating the  
screen:  
The motor is designed to be used for short operations such as raising the  
screen in preparation for viewing. The motor is not designed for continuous  
duty. If the motor operates continually for more than a few minutes, it may  
automatically shut off to prevent damage from overheating. If the motor  
occasionally needs to be run more than normal, for example during initial  
setup and positioning, allow time for the motor to cool down.  
Stand clear from  
the screen when it  
is in motion.  
Supervise  
children and  
animals when the  
screen is in  
motion.  
In general, when a screen is not in use, you should store it in the fully  
retracted position.  
Keep hands and  
limbs away from  
the door and arm  
assemblies when  
the unit is in  
Caution  
Do not operate the motor when any of the following occurs:  
The unit emits any smoke, heat, abnormal noise or  
unusual odor.  
operation.  
The unit is damaged in some way, such as damage  
from a water leak.  
If any of these situations occur, call a qualified service  
person.  
6
Stewart Filmscreen Corporation  
 
ADJUSTING THE SCREEN EXTENSION  
The extension and retraction limit switches have been preset at the factory.  
In general, we advise you to avoid readjusting these switches.  
In rare cases, to enable proper alignment of the displayed image on the  
screen, you may need to adjust the extension of a screen. If adjustment to  
the extension is necessary, carefully follow these instructions. Keep in mind  
that incorrect adjustment can cause faulty operation.  
Modifying the extension of the screen  
It is possible to decrease the preset extension of a screen up to 3" (7.6 cm).  
Do not attempt to modify a screen extension more than this recommended  
amount. Do not increase the extension.  
The limit switches are located on audience right of the case.  
The white limit switch adjusts the extended (open) screen  
position.  
The yellow limit switch adjusts the fully retracted (closed)  
position. Do not adjust this switch.  
Yellow (do not  
adjust)  
To decrease the screen extension:  
1. Ensure that the screen is in its fully retracted position, but with the  
door open to access the limit switches.  
White (adjusts  
open screen  
position)  
2. Locate the white limit switch located on the audience right side of  
the case. Use a screwdriver to turn the switch in a clockwise  
direction.  
Figure 5. Limit switches  
Note: One complete turn of the switch will make approximately a  
3/4" (2 cm) change in the screen’s stop position.  
3. Activate the screen until it reaches the newly reduced stop  
position.  
Once you have made the adjustment, whenever you extend the screen, it  
will automatically stop at the new position.  
Caution  
Improper adjustment of the limit switches can cause  
irreparable damage to a screen itself, resulting in voiding  
the factory warranty.  
The yellow limit switch retracts the screen further into the  
case. Adjusting it is not advised.  
Incorrect adjustment of the limit switch can cause the arms  
to lock.  
Be sure the screen retracts fully or the door will close on it,  
and damage the screen.  
Automatic Vertical Screen: Owner’s Manual  
7
 
SCREEN CARE AND CLEANING  
With reasonable care, you can expect many years of trouble-free use of  
your Stewart projection screen.  
We encourage you to keep your screen clean. To protect your screen when  
it is not in use, store it in the fully retracted position.  
Avoid getting any foreign material on the screen, as cleaning may prove  
very difficult. It may not be possible to remove scratches, paint, ink, etc.  
General maintenance  
The surface of your screen is delicate. Special attention to these instructions  
should be followed when cleaning.  
Cautions  
A draftsman-style brush may be used to lightly whisk away any  
loose dirt or dust particles. (This type of brush is usually available  
at office supply stores.) Stewart Filmscreen has an optional  
screen cleaning kit that contains the proper type of brush.  
Contact your dealer if you would like to obtain this cleaning kit.  
Do not use  
chemicals or  
solvents to clean  
the fabric.  
Do not allow  
debris or  
Particles left on the screen when it is retracted into the case may  
form an impression on the screen surface. Periodically wipe the  
back of the screen with a clean damp cloth.  
particles to fall  
into the screen  
housing.  
For tougher spots, use a solution of mild detergent and water.  
Rub lightly using a sponge. Blot with a damp sponge to absorb  
excess water. Residual water marks will evaporate within a few  
minutes. Let the screen air dry completely before retracting.  
Do not use any other cleaning materials on the screen. Contact the factory  
if you have questions about removing difficult spots.  
Replacement parts and service  
No user-serviceable parts are contained within the unit. Contact your dealer  
or the factory if you require part replacement or service.  
PRODUCT WARRANTY  
This warranty covers defects in materials and workmanship for a period of  
one (1) year from the date of installation, not to exceed fifteen (15) months  
from the date of shipment, provided this product is installed in a normal  
environment and maintained according to written instructions in the product  
Owner’s Manual. Stewart Filmscreen warrants against loss of usefulness,  
discoloration or deterioration of optical quality within the warranty period as  
a result of manufacturing or material defects.  
A factory authorized returned screen arriving prepaid to our facility for  
inspection and proved defective due to an inherent manufacturing fault will  
be repaired or replaced by Stewart Filmscreen Corp. This warranty  
expressly does not cover any costs of removal, installation, framing, or other  
incidental costs to replacing the screen or returning it to the manufacturer.  
Should you encounter a perceived product fault or problem, contact your  
dealer regarding application of this warranty.  
8
Stewart Filmscreen Corporation  
 
TROUBLESHOOTING  
Refer to the following guidelines if you encounter a difficulty in the  
operation of your Stewart Filmscreen. Problems related to electrical or  
motor function may require a qualified service person or electrician.  
Should you have a problem that is not addressed here, call the Stewart  
Filmscreen Corporation.  
Problem description  
Probable cause  
Action to take  
Screen will not operate.  
Door will not operate.  
No AC power available.  
Check to see if the circuit breaker has  
switched off. Reset if needed.  
Outboard switching problem.  
Check outboard switching apparatus.  
Check voltage availability. Contact an  
electrician.  
Screen will not roll up or down  
(even though power is available).  
Bad connection at switch.  
Have an electrician or qualified service  
person check the connection as follows:  
Polarity of STI line may be bad.  
· If you have a low voltage control unit,  
check switch-line connections.  
· If you have a screen trigger interface,  
check line connections, or the mini-plugs  
at the screen input or projector output.  
Check 12V DC line for correct polarity.  
Screen roller chatters when  
power is activated.  
Can be caused by voltage drop, bad Have an electrician or qualified service  
connections, or a defective switch.  
person check all hook-ups including all  
outboard wiring.  
Unit hums in retract mode.  
The screen batten is retracting too  
far into the case. Failure to correct  
can damage motor and screen.  
Do not use the unit until this  
problem is resolved.  
Have a qualified service person adjust the  
yellow limit switch. Turn the adjusting screw  
clockwise.  
Screen drops when retracted  
(grinding noise occurs).  
Drop in voltage.  
Screen motor requires full voltage. Have an  
electrician or qualified service person check  
available voltage.  
Screen continues past fully  
extended stop position.  
White limit switch is out of  
adjustment.  
Readjust the white limit switch. See p. 7 of  
this manual.  
Batten retracts too far into case.  
Yellow limit switch out of  
Have a qualified service person readjust the  
yellow limit switch. See p. 7 of this manual.  
adjustment. Failure to correct can  
damage motor and screen. Do not  
use the unit until this problem is  
resolved.  
Motor shuts off. Motor has been Motor is designed for short  
Allow the motor to cool down. Complete  
in use for more than 2 minutes.  
operations (lowering and retracting), cooling can take an hour or more. Heat  
not continuous duty. Longer gain is cumulative and takes time to  
operation, such as during setup and dissipate. If motor use is initiated before it  
positioning, causes the motor to  
overheat and shut off.  
has cooled completely, the motor will shut  
down again when it reaches maximum  
temperature.  
Any controller (e.g., STI, LVC,  
etc.) fails to operate motor.  
Dirt, finger prints, marks, etc. on  
screen surface.  
Improper handling of screen.  
Brush off or use a mild detergent solution  
with clean rag or cotton swab. See p. 8 of  
this manual.  
Indentations appear on screen  
surface.  
Debris or particles adhering to  
screen due to static cling.  
Check back of screen; gently brush debris  
away by hand. See p. 8 of this manual.  
Debris or particles may have fallen  
into the housing.  
Automatic Vertical Screen: Owner’s Manual  
9
 
1-800-762-4999 Fax (310) 326-6870  
 

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