Stewart Filmscreen Corp LCD Front Projector User's Manual
Contents
1. ABT EM Trapdoor ElectriMask Electriscreen Owner s Manual 17 Stewart Filmscreen Corporation www Stewartfilm com 1 800 762 4999 Fax 310 326 68702. About your ABT EM Trapdoor ElectriMask Electriscreen Your ABT EM ElectriMask Electriscreen offers the most technologically advanced trapdoor roller screen in the world The hingeless door is powered by its own motor Sound dampers ensure quiet operation The ElectriMask system is designed to integrate with the latest multi format video projectors which are capable of variable sizes and aspect ratios for viewing standard broadcast television and the wide format seen in commercial theaters letterbox The term aspect ratio refers to the format width to height in which your home cinema sources are produced Your screen is equipped with either a vertical masking system to achieve a 1 33 1 aspect ratio see Figure 1 or a horizontal masking system to achieve a 1 85 1 aspect ratio See Figure 2 Figure 1 Vertical masking system Vertical Masking System 1 33 1 1 85 1 Format Screen Converts to Standard a p Video NTSC Format Figure 2 Horizontal masking system Horizontal Masking System 1 33 1 Standard Converts to Video NTSC Format 1 85 1 Format Letterbox Stewart Filmscreen Corporation PREPARING THE INSTALLATION Before proceeding with the installation of this screen take time to thoroughly read and understand these installation and operation instructions e All electrical wiring installations must conform to local and national codes and should be performed by qualified
3. fully extended screen down stop position 1 Lower the screen or mask to its current stop position 2 Locate the white extension down limit switch located on the left side of the screen tube Use a screwdriver to turn the switch in a counterclockwise direction If the power is on the screen will drop incrementally as the switch is turned Note One complete turn of the switch will make approximately a 3 4 2 cm change in the screen or mask s stop position To decrease the screen extension 1 Lower the screen or mask until it is extended about halfway down 2 Locate the white extension down limit switch located on the left side of the screen tube Use a screwdriver to turn the switch ina clockwise direction Note One complete turn of the switch will make approximately a 3 4 2 cm change in the screen or mask s stop position 3 Activate the screen in the down direction until it reaches the newly reduced stop position Repeat this procedure until the desired stop position is reached Once you have made the adjustment whenever you lower the screen or mask it will automatically stop at the new position Note It is recommended that you make a note of any changes made to the factory preset ABT EM Trapdoor ElectriMask Electriscreen Owner s Manual 15 SCREEN CARE AND CLEANING PRODUCT WARRANTY 16 With reasonable care you may expect many years of trouble free use of your Stewart projection screen We
4. service personnel There are no user serviceable parts contained within the unit Preparation Specifications regarding the individual screen dimensions weight mounting type and controls are provided by the factory when the unit is ordered Before beginning the installation Check the specifications for the type of mounting and switch control to be used Ensure that the mounting area and electrical connection are prepared Check the size and weight of the screen to be installed so that you can plan for the number of people required for the mounting procedure You need at least two people to mount the smaller screens more are needed for larger heavier screens You will need Enough ladders for the personnel supporting the screen during the mounting process Alevel Fasteners appropriate for the surface on which the screen is being mounted See instructions for the type of mount for recommendations A 5 32 4 cm hex head or Allen wrench Caution During installation do not place the unit on an unstable cart stand table or ladder The unit may fall causing injury to a child or adult and damage to the unit ABT EM Trapdoor ElectriMask Electriscreen Owner s Manual 3 Unpacking 1 DO NOT remove the paper hanging from the trapdoor at this time You should remove it only after the unit is hung all electrical connections have been made and the screen is in operation 2 When moving
5. the unit make sure not to torque or twist the case This can cause door alignment problems Factory Advisory The factory advises against installing a concealed or recessed electrical projection screen permanently You must be able to access the external end plates should future service to the internal roller tube screen assembly system be necessary Stewart Filmscreen Corporation STEP 1 HANGING THE CASE Professional mounting techniques should be used Stewart Filmscreen Corporation cannot be liable for substandard or faulty installations Make sure that you mount the screen so that the electrical box is on the left side audience left Installing the unit The ABT EM Electriscreen is ready to install into the ceiling or soffit A false ceiling is not intended to support the weight of an ABT EM Electriscreen The screen can be bolted directly to the support structure or suspended If the unit is to be mounted to plaster drywall masonry or other type of surface use an appropriate fastener 1 Install the unit onto the support structure making sure that the bottom of the case is flush with the finished ceiling 2 Make sure the unit is level 3 Make sure the case is not twisted or torqued lengthwise when installed This can cause door alignment problems and microswitch shutoff failure 4 Drywall or other ceiling material may be screwed directly to the ceiling flanges on the case Refer to Figure 3 Support S
6. Category 5 Typically Used NOT Supplied STOP Yellow COMMON White UP Red DOWN Black NEUTRAL White HOT Black STOP Yellow COMMON White UP Red DOWN Black GREEN Ground NEUTRAL White 3 button Momentary Switches HOT Black GREEN Ground Figure 5 Low voltage 3 button switch wiring 8 Stewart Filmscreen Corporation 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 Caution the screen and mask in conjunction with a projector tuner VCR cable box or switched AC outlet Refer to the First Time Activation note in the Once the AC power outlet is installed near the screen an electrician is not section Operating the needed to connect the screen trigger interface to the power source Screen 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 e
7. Stewart Filmscreen Corporation ABT EM Trapdoor ElectriMask Electriscreen OWNER S MANUAL To the Owner Installation Instructions Operating the Screen Maintenance ABT EM 1005 TO THE INSTALLER BE SURE TO LEAVE THIS MANUAL WITH THE OWNER Printed in U S A 2002 2005 Stewart Filmscreen Corporation Stewart Filmscreen reserves the right to make changes to the product specified in this document From time to time this document is updated Current versions of documentation are posted on the Stewart Filmscreen website at www stewartfilm com Stewart Filmscreen Corporation ABT EM Trapdoor ElectriMask Electriscreen OWNER S MANUAL Contents To the Owner LL aaa aaa aaa aa aaa aaa aaa 2 Preparing the Installation uaaaaaaaaa aaa aa aa aaa 3 Step 1 Hanging the Case 0 aaa aaa aaa 5 Step 2 Electrical Hook up aaa aaa aaa aa aaa ai 6 Operating the Screen aaa aaa aaa aaa aaa 13 Adjusting the Screen Extension eee 14 Screen Care and Cleaning 0 0 c eee eee eee 16 Troubleshooting a 18 ABT EM Trapdoor ElectriMask Electriscreen 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
8. WG Use plenum rated cable when required Making the connection Figure 7 illustrates the connections 1 Attach the 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 3 Connect the 4 conductor cable to the connection harness coming from the J box labeled switch input 4 Connect the hookup cable to the 3 button switch Caution Refer to the First Time Activation note in the section Operating the Screen Note The two toggle switches on the electrical connection housing are used by the factory only Do not adjust Stewart Filmscreen Corporation Transformer with S Door and Main Screen Operation To Projector or AC Power Supply sb gt Cm amp Optional 12V DC witch STOP Yellow COMMON White UP Red NOW N 5lack 3 button 4 Conductor Hook up Cable Momentary Switch 20 24ga Recommended Category 5 Typically Used NOT Supplied NEUTRAL White Masking control HOT Black GREEN Ground Figure 7 Screen trigger interface and low voltage connections for vertical masking unit ABT EM Trapdoor ElectriMask Electriscreen Owner s Manual Connecting the high voltage switch control vertical masking A standard 3 position AC wall switch is supplied The high voltage control is connected to the electrical source It alternates directions of mask motion by means of the hot lead
9. ategory 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 Figure 6 on the following page illustrates the connections Note The electrical housing has a 2 gang J box For a top view refer to Figure 4 1 Connect the 8 conductor cable to the connection harness coming from the J box labeled switch input on the screen unit Note Use a longer cable to mount the low voltage control board further from the screen unit 2 Connect the 4 conductor cable to the connection harness coming from the low voltage control board 3 Connect the hookup cable to the 3 button switch 4 Connect the main AC power source to the the low voltage board 5 Connect the main AC power source to the the J box labeled main AC power connection on the screen unit 6 Aparallel connection to an outboard audio visual switching network can be made at this time optional ABT EM Trapdoor ElectriMask Electriscreen Owner s Manual 7 Note The cable wires can be split with extra length added so that you can move the control units to a location at a distance from the screen case 8 Conductor Hook up Cable 18ga Minimum Category 5 recommended NOT Supplied 4 Conductor Hook up Cable 20 24ga Recommended
10. 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 screen surface on your screen is delicate Special attention to these instructions should be followed when cleaning Adraftsman 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 e 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 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 se
11. equire full voltage Have an electrician or up direction is activated qualified service person check available voltage grinding noise occurs Screen or mask continues White limit switch is out of Readjust the white DOWN limit switch See pp 14 15 past bottom stop position adjustment of this manual Battens retract too far into Yellow limit switch out of Have a qualified service person readjust the yellow case adjustment Failure to correct UP limit switch See pp 14 15 of this manual can damage motor and screen Do not use the unit until this problem is resolved Motor shuts off Motor has Motor is designed for short Allow the motor to cool down Complete cooling can been in use for more than operations lowering and take an hour or more Heat gain is cumulative and 2 minutes retracting not continuous duty takes time to dissipate If motor use is initiated before Longer operation such as during it has cooled completely the motor will shut down setup and positioning causes the again when it reaches maximum temperature motor to overheat and shut off Any controller e g STI LVC etc fails to operate motor Dirt finger prints marks etc Improper handling of screen Brush off or use a mild detergent solution with clean on screen surface rag or cotton swab Indentations appear on Debris or particles adhering to Check back of screen gently brush debris away by screen surface screen due to static cling hand
12. justment of the limit switches can cause irreparable damage to the screen itself resulting in voiding the factory warranty Each roller tube has a set of limit switches The extension and retraction limit switches have been preset at the factory In general we advise you to avoid readjusting these switches In some cases to enable proper alignment of the displayed image on the screen you may need to adjust the extension of the screen or the mask If adjustment to the extension is necessary carefully follow these instructions Warning The screen and mask are fully retracted when the battens are flush with the bottom of the case Do not attempt adjustments with the yellow retraction UP limit switch that will further retract the screen Incorrect adjustment of the switch will cause severe screen damage Please consult the factory if you have any questions Screen Limit Mask Limit Switches Switches Figure 9 Underside view Stewart Filmscreen Corporation Modifying the extension of the screen and the mask You can increase the extension of the screen and mask up to 3 7 6 cm past the factory preset stop or you can decrease the extension by approximately 4 6 10 15 cm from the factory preset stop Do not attempt to modify the screen extension beyond these recommended amounts The limit switches are located on the left side of the screen roller tube inside the case as shown in Figure 9 To increase the screen s
13. lectrical connection housing are used by the factory only Do not adjust Screen mE Projector 2 Va Na sg AC Power Supply HI 12V md Transformer with il EN Mask is Projector Nes AC Power Supply Optional 12V DC HOT Black Transformer with Switch GREEN Ground NEUTRAL White Figure 6 Dual screen trigger interface connection ABT EM Trapdoor ElectriMask Electriscreen Owner s Manual 9 10 Connecting the screen trigger interface and low voltage option vertical masking The optional 12V screen trigger interface enables up and down operation of the door and screen in conjunction with a projector tuner VCR cable box or switched AC outlet The low voltage control switch controls the vertical masking panels An optional infrared sensor can be installed with the low voltage control box This allows an infrared remote control to adjust the vertical masking panels 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 A 4 conductor switch hook up cable 4 conductor bell wire 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 A
14. mmended The use of wire nuts is acceptable On models not provided with armored whip a romex connector should be installed in the appropriate electrical KO Knock Out Preparation Removing access panel All connections are made to the electrical box on the side of the unit audience left An access panel covers the electrical connections To remove the access panel on the underside of the unit remove the two hex screws Refer to Figure 4 Replace the access panel after the electrical connections have been made Masking Panel Screen Access Panel Hex Screws Figure 4 ABT EM Electriscreen underside view 6 Stewart Filmscreen Corporation Caution Refer to the First Time Activation note in the section Operating the Screen Installing the low voltage 3 button switches horizontal There are three low voltage controls mounted on a board Each low voltage control allows the use of low voltage wire to connect to the supplied 3 position 24V momentary wall switch The top low voltage box controls the mask the middle box controls the screen and the bottom box nearest the J boxes controls the door Refer to Figure 5 Note The board can be mounted near the screen or by adding extra cable you can mount it farther away 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 or c
15. rvice 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 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 Door won t open No AC power available Check to
16. see if the circuit breaker has switched off Screen won t operate Outboard switching problem SBSS Check outboard switching apparatus Check voltage availability Contact an electrician Check that the toggle switches are in the correct position See Figure 3 p 5 Screen or mask won t roll up Bad connection at switch Have an electrician or qualified service person check or down even though power Polarity of STI line may be bad the connection as follows is available If you have a low voltage control unit check switch line connections If you have a high voltage contro switch 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 Contacts may be sticking tap relay to free contacts Roller tube motors chatter Can be caused by voltage drop Have an electrician or qualified service person check when power is activated bad connections or a defective all hook ups including all outboard wiring switch Unit hums in up mode The screen batten is retracting too Have a qualified service person adjust the yellow UP Screen or mask has already far into the case Failure to limit switch Turn the adjusting screw clockwise retracted correct can damage motor and screen Do not use the unit until this problem is resolved Screen or mask drops when Drop in voltage Motors r
17. the main screen roller may not be in the fully up motor off position First time activation for horizontal screen You must remove the shipping lockdown brackets To do this operate the screen so that the door opens then stop the operation Unscrew and remove the shipping lockdown brackets The method you use to raise and lower the screen and mask depends on the type of switch control device you have selected Use the masking screen as needed to establish the appropriate viewing format When you lower or retract the screen or mask they will stop at their preset limits If an obstacle such as a person or furniture gets in the path of the screen as it is lowered you should use the switch control to stop the screen s motion it will not automatically stop if it hits an obstacle The motor is designed to be used for short operations such as lowering the screen or mask 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 In general when the screen is not in use you should store it in the fully retracted position ABT EM Trapdoor ElectriMask Electriscreen Owner s Manual 13 AD USTING THE SCREEN EXTENSION Caution Improper ad
18. tructure Note The two toggle switches are used by the factory only Do not adjust For proper positioning the left switch should be flipped toward the unit the right switch should be straight up yo Main AC Wire JP NA lt Flange Electrical Connection Housing Note Your housing may differ based on the switches used Trapdoor Figure 3 ABT EM Electriscreen side view Screen Mask ABT EM Trapdoor ElectriMask Electriscreen Owner s Manual 5 STEP 2 ELECTRICAL HOOK UP The ABT EM Electriscreen has two roller tubes within the screen unit one for the main screen and one for the mask Each roller has its own motor and functions independently Caution Professional techniques should 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 The motor requires standard AC input unless an alternate voltage has been specified There are several kinds of switch controls available Follow the installation procedure for the type of switch control you will install General suggestions for wiring Soldering is reco
19. using the 3 position switch Preparing the connection Before making the electrical connections you need An available AC constant power source A 4 conductor romex or motor connector cable Making the connections Figure 8 illustrates the connections 1 Connect the wall switches to the AC constant power source 2 Connect the wall switches to the unit s electrical box Door amp Screen Switch Line Hot AC Power Source COMMON White Neutral I GROUND Green DOWN Black Line Hot AC Power Source COMMON White Neutral I GROUND Green Mask Switch Figure 8 High voltage control wiring diagram 12 Stewart Filmscreen Corporation OPERATING THE SCREEN Caution Do not operate the motors when any of the following occurs The unit emits any smoke heat abnormal noise or unusual odor e 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 First time operation The first time you operate the screen the protective paper will fall out as the screen unrolls Once the screen is fully displayed make sure that no packing paper remains on the screen roll The screen can be damaged if loose paper remains First time activation for screen trigger interface The STI input must be supplied with 12V DC power before the main AC power is activated Due to factory screen packing procedures
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