Christie HAL Series User Manual

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Introduction

Installation &

Setup

Operation

Maintenance

Specifications

Appendices

NOTE: Due to constant research, the information in this manual is subject to change without notice

54-007075-06P (12/98)  Software Version 1.2

H A L S E R I E S

Section

Contents

1.1

The Projector ....................................................................................................1-1

1.2

Components ......................................................................................................1-2

1.3

Purchase Record and Servicing.........................................................................1-2

2.1

Quick Setup ......................................................................................................2-1

2.2

Installation Considerations................................................................................2-2

2.3

Projector Position and Mounting ......................................................................2-8

2.4

Connecting Sources ........................................................................................2-11

2.5

Connecting to Power.......................................................................................2-15

2.6

Operating Orientation .....................................................................................2-16

2.7

Leveling ..........................................................................................................2-16

2.8

Zoom, Focus & Offset ....................................................................................2-17

2.9

Connecting to the Serial Ports.........................................................................2-17

2.10

Keypad Protocols............................................................................................2-20

3.1

Overview...........................................................................................................3-1

3.2

Projector Basics ................................................................................................3-1

3.3

Using the Keypads ............................................................................................3-3

3.4

Navigating the Menus .....................................................................................3-10

3.5

Working With Sources and Channels .............................................................3-14

3.6

Adjusting the Image ........................................................................................3-19

3.7

Adjusting and Checking System Parameters...................................................3-24

3.8

Using Multiple Projectors...............................................................................3-32

3.9

Error Conditions .............................................................................................3-33

4.1

Warnings and Guidelines ..................................................................................4-1

4.2

Cleaning............................................................................................................4-3

4.3

Replacing Keypad Batteries..............................................................................4-3

4.4

Replacing the Lamp ..........................................................................................4-4

4.5

Replacing the Filters .........................................................................................4-7

4.6

Changing the Lens ..........................................................................................4-10

4.7

Troubleshooting..............................................................................................4-11

5.1

Specifications....................................................................................................5-1

Glossary ........................................................................................................... A-1

Keypad Reference ........................................................................................... B-1

Menu Tree........................................................................................................ C-1

Serial Communication Cables.......................................................................... D-1

Optional Interface Modules ............................................................................. E-1

DLV 1280

User's Manual

Page

EEE

Table of Contents

Summary of Contents for Christie HAL Series

Page 1: Table Of Contents
H A L S E R I E S Section Contents Page Introduction The Projector ....................1-1 Components ......................1-2 Purchase Record and Servicing.................1-2 Installation & Quick Setup ......................2-1 Setup Installation Considerations................2-2 Projector Position and Mounting ..............2-8 Connecting Sources ..................2-11 Connecting to Power..................2-15 Operating Orientation ..................2-16 Leveling ......................2-16 Zoom, Focus &...
Page 2: The Projector
The HAL Series DLV 1280 is a professional quality projector that uses Digital The Projector ® Light Valve (DLV) reflective technology from IBM to project images with exceptional clarity and brilliance. The high resolution, contrast and consistency of DLV 1280 images is...
Page 3: Components
INTRODUCTION the “on” pixels of each panel is reflected, converged and then projected to the screen through a single front lens, where the pixels are all superimposed to create a sharp full-color image. The projector body is comprised of plastic panels and lid (DVL 1280 only), with a durable powder-coated metal base.
Page 4: 2.1 Quick Setup
This section explains how to install and set up the projector. If you are familiar with the projector and want to quickly set it up for temporary use, follow the Quick Setup instructions. For a complete setup, follow the instructions and guides covered in the remaining subsections. NOTE: The overseas export DLV 1280 and the DLV 1280 CR do not include video or audio functions.
Page 5: Installation Considerations
INSTALLATION & SETUP • If you have a zoom lens, rotate the lens barrel end (closest to the projector) as desired to increase or decrease the image size. If you don’t have a zoom lens or if you can’t adjust the image enough, the projector is likely not positioned at the proper throw distance for your screen size.
Page 6 INSTALLATION & SETUP Choose the installation type which suits your needs: front or rear screen, floor mount or inverted mount. ADVANTAGES CONSIDERATIONS • • Easy to set up Shares floor space with audience • Can be moved or changed quickly •...
Page 7 INSTALLATION & SETUP Figure 2-1. Audience Coverage with Flat Screen Figure 2-2. Audience Coverage with Curved Screen Curved screens have gains larger than 1 (due in part to the screen material) and viewing angles much less than 180°. Most curved screens have different horizontal and vertical viewing angles.
Page 8 INSTALLATION & SETUP Choose a screen size which is most appropriate for your lens and application. Table 2-1. Screen Size Ranges 2:1 - 3:1 zoom 2.3’ - 30’ (0.7 - 9 meters) 1.2:1 fixed 4’ - 10’ (1.2 - 3.1 meters) 1.5:1 - 3:1 zoom 4’...
Page 9 INSTALLATION & SETUP Figure 2-5. Using a 4:3 Screen for a Mix of 5:4 and 4:3 Sources While it is always preferable to operate the projector in an ideal projection room environment, the high brightness output of DLV 1280 is well suited for locations where ambient lighting may be less than optimum for projection.
Page 10 INSTALLATION & SETUP Figure 2-7. Better Screen Placement Even with all lighting removed it is still possible that room reflections within the room can degrade the image. Light from the projection screen should be absorbed by the ceilings, walls and floors so that it will not be reflected back to the screen.
Page 11: Projector Position And Mounting
INSTALLATION & SETUP recognize a letter if eye-to-text distance is less than 150 times the height of the letter. Text will normally become illegible at a greater distance despite the sharpest and clearest of images. Figure 2-8. Screen Locations for Maximum Audience Coverage As mentioned, installation type, screen type, and lighting all affect where the Projector projector is positioned.
Page 12 INSTALLATION & SETUP Correct horizontal position of the projector can ensure that the image is positioned properly on the screen. With any lens installed, the image can be manually offset left or right by a distance of up to 25 pixels (Figure 2-9). Turn the horizontal offset adjustment knob on the top edge of the projector as desired.
Page 13 INSTALLATION & SETUP Figure 2-10. Vertical Offset Ranges, All DLV 1280 Lenses For typical front or rear floor mounts, secure the projector to a stable table or cart. Take particular care with a mobile cart—avoid sudden stops, excessive force and uneven surfaces that may cause the projector and cart combination to overturn.
Page 14: Connecting Sources
INSTALLATION & SETUP In rear screen applications where space behind the projector is limited, a mirror may be used to fold the optical path. See Figure 2- 11. The position of the projector and mirror must be accurately set. If considering this type of installation, call your dealer for assistance.
Page 15 INSTALLATION & SETUP The RGB input (DAT 1) consists of five BNC type connectors for connection to a variety of RGB sources. Such sources include VGA, SVGA, SXGA, XGA, Mac, PowerMac, DEC, Sun, SGI and others. DLV 1280 supports multiple sync types: sync-on-green for data, composite, and separate H &...
Page 16 INSTALLATION & SETUP The Composite Video and S-Video inputs provide simultaneous connection of a composite video source ( ) and an S-Video source ( ) to the projector. For each video input, use the corresponding audio input/output as shown. If you have a composite video source, connect it to the projector’s rear input panel using the extreme left composite BNC connector labeled .
Page 17 INSTALLATION & SETUP If you have an S-Video (SVHS) source, connect it to the projector’s rear input panel at Depending on the source, use either the two BNC connectors labeled “ ” (luminance and chrominance) or use the 4-pin mini DIN connector labeled “...
Page 18: Connecting To Power
INSTALLATION & SETUP Connect YCrCb video (component video) sources as shown in Figure 2-19. Note that if you use the video inputs you will connect to both simultaneously for the single source. The projector detects such a connection as source, and cannot be used.
Page 19: Operating Orientation
INSTALLATION & SETUP DLV 1280 is set up at the factory for use in a front screen, floor mount Operating orientation. If the installation is ceiling mount or rear screen, your initial images Orientation will likely be displayed upside down and/or reversed. To correct, you must change the image orientation from within the Preferences menu.
Page 20: Zoom, Focus & Offset
INSTALLATION & SETUP Figure 2-22. Ranges for Special Mounting Once the projector is properly set up and projecting an image on screen, you are Zoom, Focus & ready to make quick manual display adjustments. Offset If you are using a zoom lens, grasp the lens barrel close to where it enters the projector.
Page 21 INSTALLATION & SETUP Figure 2-23. RS-232 Serial Ports NOTES: 1) DLV 1280 serial connections require a 9-pin D connector. Refer to Appendix D for complete cable wiring requirements 2) The " " port is provided for networking applications only — see "If using multiple projectors”, below.
Page 22 INSTALLATION & SETUP To control multiple projectors with a computer/controller, chain the projectors together by connecting the " " connector of the first projector (already connected to the computer/controller) to the " " connector of the next projector in the chain. See Figure 2-26. Figure 2-26.
Page 23: Keypad Protocols
INSTALLATION & SETUP At manufacture, every remote keypad is assigned a default protocol, which is 2.10 Keypad simply a collection of settings that determine how the keypad operates. Once Protocols assigned, this protocol remains in effect until it is changed — that is, the keypad will operate as it currently does until you change its protocol.
Page 24 INSTALLATION & SETUP In the Preferences menu, make sure that the desired keypad option (Front IR, Rear IR, or Wired Keypad) is set to Option 1 “A or B”. This will ensure that the projector will continue to respond to the keypad after you change protocol. Unplug the keypad from the projector (applies to wired remote only).
Page 25 INSTALLATION & SETUP Set the jumpers as shown in Figure 2-30. Take care to refer to the correct part of the drawing — IR or wired (optional). Use tweezers or needle-nose pliers to remove and replace each jumper as necessary. •...
Page 26: Overview
This section explains how to use the DLV 1280 projector once it has been Overview installed. Please read through this section before using the projector for the first time, and keep it on hand for future reference. With a full understanding of DLV 1280 features and how to access them, you will be able to take complete advantage of the capabilities of the projector.
Page 27 OPERATION Main components for operating the projector are shown in Figure 3-1. Notice that only zoom, focus and lens offsets are mechanically adjusted at the projector. Most other DLV 1280 functions and adjustments are entered through simple keypad commands that either control the projector directly or which display a system of easy-to-use menus.
Page 28: Using The Keypads
OPERATION Figure 3-2. Reading the Status LEDs NOTE: A steady red power light accompanied by a coded pattern of red and yellow flashes from the status light indicates an internal system error. Should the problem persist, contact a qualified service technician through your dealer or at Electrohome.
Page 29 OPERATION The built-in keypad is located on the back panel of the projector. Note that on this keypad, each number key also has a second label indicating a specific function (“SRC” or VID 2”, e.g.). These second labels apply only in presentation level, i.e., when there is no part of the menu system present.
Page 30 OPERATION The IR Remote Keypad is the most commonly used keypad. It controls the projector by way of wireless communications from a battery-powered infrared (IR) transmitter. Use the keypad the same way you would use a remote keypad supplied with a television or VCR. When making key presses, point the keypad either toward the screen or toward the front or rear of the projector.
Page 31 OPERATION The wired remote keypad connects to the DLV 1280 remote jack via a 25 ft (OPTIONAL) extension cable. This keypad is particularly useful when: • the location of the keypad in relation to the projector or screen is inadequate for IR Remote Keypad operation.
Page 32 OPERATION projector on and off unnecessarily — each striking of the lamp significantly reduces lamp life. Press to select and display the input connected to on the projector (data input). Note that if a switcher is connected to Dat 1, the source on the last selected switcher/slot will be displayed.
Page 33 OPERATION within a list of channels, pressing will NOT change the channel. 2) no effect in presentation level except to remove any test patterns present. Use the 4 arrow keys to: • navigate within a menu • navigate within a pull-down list •...
Page 34 OPERATION NOTE: Certain engineering codes accessed through the key may freeze an image or display an unfamiliar menu. Should you accidentally select one of these special codes, press any non-number key to cancel and return to presentation level. key can also access certain other functions outside the menu system, such as test patterns and certain commands from the built-in keypad.
Page 35: Navigating The Menus
OPERATION Select either the "Pixel Track" key to begin increasing or decreasing the frequency of the pixel sampling clock to match the input signal. Pixel tracking may need adjustment when your image is stretched or compressed (assuming it is sized correctly) and exhibits soft vertical bars of noise. See 3.6, Adjusting the Image (Image Size &...
Page 36 OPERATION Press at any time to access the Main menu. This menu lists all function menus. Figure 3-5. Using the Main Menu In the Main menu, use the arrow keys to highlight the function menu you wish to access, then press to display it.
Page 37 OPERATION NOTE: See Appendix C for the complete DLV 1280 menu tree. If you like, you can change a setting directly from presentation level without seeing on-screen feedback. This “blind” access enables you to continually display your image while making a quick adjustment. From presentation level, simply press (or more), using the corresponding numbers from the menu system to immediately access a desired option.
Page 38 OPERATION Some options are either on or off, such as “Broadcast Key”. To toggle an option on or off: • Press (on) • Press (off) • Press to toggle between on and off Note that in Preferences and Channel Edit menus, the arrow keys change the menu page rather than toggling an on/off option.
Page 39: Working With Sources And Channels
OPERATION NOTES: 1) Numbers are at either end of the alphabet. If desired, scroll with . Or enter numbers using the number keys on the keypad. When a number is required, such as when you are specifying a projector number, a special highlighted numeric field appears on screen.
Page 40 OPERATION NOTES: 1) A source number in the pull-down list identifies a particular channel retained in projector memory. A “switcher/slot” number identifies the physical location of a source. 2) If you pause for 5 seconds or more during a source switch, the switch is canceled and you’re returned to the present source.
Page 41 OPERATION NOTE: 1) Auto Setup can fail if the image content or quality is not suitable. 2) An Auto Setup of a video image takes only an instant rather than 30 seconds. A channel is automatically created and stored in memory when an input signal is sent to the projector and you change a parameter (either manually or with an Auto Setup).
Page 42 OPERATION • = switcher 0, slot 4 Slot numbers for other switchers can range from 1-9. The last two columns list the horizontal and vertical frequencies for each channel. Or, if you have entered a name for the channel, it will appear here instead. In the Channel Setup menu, highlight the channel you wish to delete and press .
Page 43 OPERATION recognizable name for a certain channel (such as “vhs2” or “pc”), lock a channel from further changes, or include another channel in the channel list menu. From the Channel Setup menu, highlight the channel you wish to edit or see further information about.
Page 44: Adjusting The Image
OPERATION Slot numbers for other switchers can range from 1-9. Edit as necessary. Select “ ” to prohibit any changes to the channel, “ ” to unlock. Select “ ” if you want this channel to appear in the channel selection menu that may appear when you press .
Page 45 OPERATION To return to the main menu, press Figure 3-11. Image Settings Menu increases or decreases the perceived difference between light and dark areas of your image (0-100). Adjust so that whites remain bright but not distorted or tinted. If contrast is set too high, the light parts of the image lose detail and clarity.
Page 46 OPERATION indicates what video standard is currently being used for decoding the source video signal. Generally the projector automatically recognizes a signal and applies the proper standard. If necessary (such as for PAL-N, a black-and- white signal, PAL-M, or a poor quality signal), use the pull-down list to select a specific standard for the projector to use.
Page 47 OPERATION are sampled. Proper pixel tracking may need adjustment when your image is stretched or compressed and exhibits soft vertical bars of noise. For best results, adjust pixel tracking from within a smooth gray test pattern made up of a clear pattern of tiny black and white dots, or a similar graphic image.
Page 48 OPERATION moves the usual clamping pulse to prevent severe brightness or contrast problems from certain sources. In most cases, clamping will automatically be correct and this control has no effect on the image. NOTE: This option does not apply to video sources or any RGB source with sync information on the video (e.g., sync-on-green).
Page 49: Adjusting And Checking System Parameters
OPERATION Use the remaining three function menus Preferences, Status and Service to Adjusting and change or review numerous system parameters that affect the overall operation Checking of the projector rather than a given source/channel only. System Parameters Use this 2-page menu for establishing overall projector operation independent of sources.
Page 50 OPERATION Choose how you want to select sources or channels when using the key: • : Select this option if you have numerous locations. NOTE: The projector is always considered to be Switcher 0. • Select this option if you have numerous channels (source setups) available and want to choose from a list accessed with the key.
Page 51 OPERATION NOTE: If you are using the “List” option when using the key, the list will always appear regardless of how Src Dialog is set. If “ ”, the projector will automatically power up after a power failure. During an auto-power up, a delay of “last digit of proj# x 500ms” is added to the power up time, ensuring that a wall of projectors will power up in sequence rather than all at once.
Page 52 OPERATION 1. Select the “ ” option. This will ensure that once your keypad protocol is manually changed (see Step 2), it will still be recognized by the projector. 2. Unplug the keypad and change the protocol in the keypad as desired. Do this either by entering the short-cut software command or by hard-wiring the keypad as described in 2.10, Keypad Protocols.
Page 53 OPERATION portion of the Service menu is password-protected and can be used by qualified service personnel only. See below: Figure 3-16. Service Menu In the Service menu, select for a pull-down list. Or, for quick access from presentation level, press .
Page 54 OPERATION lamp expires, only the status LED on the back of the projector will flash the coded warning to replace the lamp. NOTES: 1) It is recommended that the Lamp Message always remain set to “ ”. 2) When a lamp warning message appears, press to temporarily cancel the message.
Page 55 OPERATION • The power supplied to the lamp will remain at a desired watt level throughout the life of the lamp. Once you select this option, enter the number of watts representing the power level you wish to maintain. See “...
Page 56 OPERATION Figure 3-20. Lamp History (read-only) The middle column shows the serial number for each lamp. The far right column shows the number of hours logged on each lamp. Lamp History is automatically updated whenever you record a new lamp serial number—the new lamp is added to the bottom of the list.
Page 57: Using Multiple Projectors
OPERATION at least every two weeks for the life of the projector. In addition, always adjust flicker if you notice one or more of the following symptoms after a 15-30 minute warm-up: • image “sticks”, or retains a shadow of a previous image •...
Page 58: Error Conditions
OPERATION In the Preferences menu, select “ ". Enter a three-digit number (000 to 999) to identify the current projector. Press to accept the entry and return to the main menu. Repeat for each projector, always entering a unique three-digit number. Once every projector has its own number, you can begin to control the network.
Page 59 OPERATION If you would like to be notified on-screen of such errors, select the option from the pull-down list (in Preferences menu). If you would like to be notified via an RS-232 message only, select the option instead. For both types of notification, select .
Page 60 OPERATION NOTE: System messages appear only if the in the Preferences menu is set to A system warning message indicates that a system malfunction has been detected (see Status LED Codes, below). A system warning message replaces any input signal message and disappears when the input signal status changes. While the projector will remain operational, the message indicates the presence of a serious problem that should be reported to the factory.
Page 61: Warnings And Guidelines
DLV 1280 is designed for safe and reliable operation and is certified compliant Warnings to appropriate safety standards. However, safe operation cannot be assured by and Guidelines design alone; installers, maintainers, and users must maintain a safe operating environment for the system. Please read through and understand the following warnings and guidelines promoting safe usage of the projector.
Page 62 MAINTENANCE if you want to extend the life of the lamp. See Lamp Setups in Section 3 for a full description of how to use lamp modes. WARNING Never attempt to remove the lamp directly after use. The lamp is under great pressure when hot and may explode, causing personal injury and/or property damage.
Page 63: Cleaning
MAINTENANCE be blocked or covered. The projector should never be placed near or over a radiator or heat register. The projector should not be placed in an enclosure unless proper ventilation is provided. Do not push objects of any kind into the projector through the ventilation openings.
Page 64: Replacing The Lamp
MAINTENANCE Remove old batteries and properly discard. Place the new batteries in the compartment, orienting the +/- of each battery according to the labels in the compartment. When batteries are in place, replace the cover by inserting its bottom edge first and snapping the top into place. Do not force. Figure 4-1.
Page 65 MAINTENANCE Loosen the four screws located in the corners of the projector lid. Lift off the lid and set aside (Figure 4-2). (lid: where applicable) Figure 4-2. Open the Projector Locate the lamp assembly—consisting of a metal lamp bracket attached to the lamp module—installed near the center-left of the projector’s interior.
Page 66 MAINTENANCE bump the lamp module itself. Secure with all four corner screws removed in Step Once installed, you must align the new lamp to ensure maximum image brightness/uniformity and projector reliability. Perform this adjustment by adjusting specific screws on the lamp bracket as described in the instructions that came with your new lamp (qualified technician recommended).
Page 67: Replacing The Filters
MAINTENANCE In the Lamp Menu ( ), set to “ ”. This permits a warning message to appear upon power-up once your lamp limit setting expires. NOTES: 1) It is recommended that the Lamp Message always remain set to “ ”.
Page 68 MAINTENANCE The side filter is sandwiched between the right outer panel of the projector and the interior EMI shield that covers most components. It is installed vertically near the perforated area of the right outer panel. Grasp the end of the filter and pull it straight up to remove.
Page 69 MAINTENANCE Figure 4-7. Replacing the Top Filter Insert the new top filter into the recessed area, making sure that the tabbed edge side is up and towards the rear of the projector. Slide all the way under the funnel-like duct—when properly installed, about an eighth-inch of the filter tab edge will be visible along the small end of the duct.
Page 70: Changing The Lens
MAINTENANCE A variety of DLV 1280 lenses are available to accommodate different throw Changing distances and specific types of installations. Contact your dealer or Electrohome the Lens for more information. To replace a lens, follow the instructions below. Turn off the projector and allow it to cool. Install the lens cap. Unplug the projector.
Page 71: Troubleshooting
MAINTENANCE sure that the lens is as far back into the projector as possible—flush with the front face of the lens mount clamp. Support the lens and secure the 2 hex screws on the curved portion of the lens mount. Replace the projector lid and secure with the four corner screws.
Page 72 MAINTENANCE 2. The room lighting may be too bright. Lower the intensity of the room lighting. Reduce light reflections as much as possible. 3. Increase contrast and/or brightness of image. 4. The projector may be too far from the screen. Move the projector closer to the screen.
Page 73 MAINTENANCE 1. Brightness and/or contrast may be set too low. Increase the brightness and/or CAUSE / REMEDY: contrast settings. 2. The projection room may be too bright. Lower the intensity of projection room lighting and reduce light reflections as much as possible. 3.
Page 74 MAINTENANCE 2. If the screen blacks out, it is possible that excessive voltage noise on the AC or ground input has interfered with the projector’s ability to lock on to a signal. Turn the projector off, wait for the lamp fans to stop and unplug. Plug in again and power up as usual.
Page 75: Specifications
NOTE: Due to constant research, specifications are subject to change without notice. Specifications DLV 1280 or DLV 1280 CR Pixel format (H x V) 1280 X 1024 Maximum digitizing sample rate 135 MHz (full usable brightness per industry standard measurement methods) 1000 lumens 100:1 Number of DLV reflective panels...
Page 76 SPECIFICATIONS Horizontal frequency input range 30 - 90 kHz Vertical frequency input range 45 - 72 Hz (see table below) Maximum pixel clock rate 135 MHz Signal format Analog RGB Input level 0.5V - 1.4V DC offset ± 4V Impedance 75 ohms Use the following vertical frequencies for other resolutions: VGA (NI)
Page 77 SPECIFICATIONS Voltage range (auto switching) 90 VAC to 264 VAC Line frequency 50 - 60 Hz nominal Inrush current 35 amps max. at 110 VAC Operating current 9 amps @ 90VAC 4 amps @ 240VAC Power consumption 900W max. Type Xenon short arc Power 350 - 500 watts, adjustable...
Page 78 SPECIFICATIONS Components for the three models in the HAL Series are shown below: Projector case covers not included 10’ line cord DLV 1280 User’s Manual 1 per installation Video functions not included not included Audio functions not included not included...
Page 79 This appendix defines the specific terms used in this manual as they apply to DLV 1280. Also included are other general terms commonly used in the projection industry. The time, inside one horizontal scan line, during which video is generated. The ability of a screen to reflect ambient light in a direction away from the "line of best viewing".
Page 80: Glossary
GLOSSARY A change in the tint of a white field across an image. The coloration (reddish, white, bluish, greenish, etc.) of white in an image, measured using the Kelvin (K) temperature scale. Higher temperatures output more light. See YCrCb Video. The output of video tape players and some computers, characterized by synchronization, luminance and color signals combined on one output cable.
Page 81 GLOSSARY incident light; screens with gain more than 1 direct more incident light to the audience but have a narrow viewing angle. For example: An image reflecting off a 10 gain screen appears 10 times brighter than it would if reflected off a matte white wall.
Page 82 GLOSSARY A list of selectable options displayed on the screen. A video output format of some video tape and disk players. There are two types of NTSC (National Television Standards Committee) video: NTSC 3.58 and NTSC 4.43. NTSC 3.58 is used primarily in North America and Japan. NTSC 4.43 is less commonly used.
Page 83 GLOSSARY The time required by the video amplifier of the projector to increase its output from 10% to 90% of the maximum value. The video output (analog or digital) of most computers. Analog RGB video can have 3, 4, or 5 wires — one each for red, green, and blue, and either none, one or two for sync.
Page 84 GLOSSARY The distance between the front feet of the projector and the screen. Also called "Projector-to-Screen Distance”. Balance of red-to-green necessary for realistic representation of NTSC signals. The ability of a projector to synchronize to inputs with frequencies within a specified range.
Page 85 Figure B-1. IR Remote Keypad or Wired Keypad (Remotes are optional on DLV 1280 CR) DLV 1280 User's Manual...
Page 86: Keypad Reference
KEYPAD REFERENCE Figure B-2. Built-in Keypad DLV 1280 User's Manual...
Page 87 DLV 1280 User's Manual...
Page 88 Refer to the following RS-232 (serial) communication cable details when connecting DLV 1280 to a computer, another DLV 1280 projector, or to a Marquee Signal Switcher. DLV 1280 User's Manual...
Page 89: Serial Communication Cables
SERIAL COMMUNICATION CABLES DLV 1280 User's Manual...
Page 90 There are many external optional input modules and accessories available for DLV 1280. Contact you dealer or Electrohome for a complete and up-to-date listing. Marquee The Marquee Signal Switcher is a rack-mountable signal selector which can extend the number of selectable inputs by the DLV 1280. Connected to the projector RGB interface (DAT 1), each switcher adds up to 9 more sources to the system.
Page 91 OPTIONAL INPUT MODULES ◊ accepts 3, 4, or 5 wire RGB video (sync-on-green, composite sync, or separate horizontal and vertical sync) ◊ BNC connectors for RGB signal inputs ◊ RCA connectors for left and right channel audio inputs The RGB400 Buffered Amplifier Input Module may be installed in a Marquee signal switcher or Marquee Case/Power Supply and used with DLV 1280.
Page 92 OPTIONAL INPUT MODULES The Composite/S-Video Input Module may be installed in a Marquee signal switcher or a Marquee Case/Power Supply and used with DLV 1280. The module receives composite video or S-video input signals from tape or disk players. Video inputs are 75 terminated.
Page 93 OPTIONAL INPUT MODULES ◊ accepts VGA or MAC RGB video ◊ 15 pin D connectors for video ◊ RCA connectors for left and right channel audio inputs ◊ active loop-through video outputs NOTE: 1) This interface does not accept VGA and MAC signals simultaneously. 2) All trademarks are the rights of their respective owners.
Page 94 Connection, 2-13 Contrast, 3-20 Contrast Key, 3-9 Accessories, 5-4 Active Lines, 3-23 Active Pixels, 3-22 ambient light, 2-3 Dat 1, 2-11 Analog, 3-2 Connection, 2-12 Arrow Keys, 3-8 Dat 1 Key, 3-7 Aspect Ratio, 2-5 Dat 2, 2-11 Audio, 2-11, 3-24 Connection, 2-12 Audio Mute, 3-10 Dat 2 Key, 3-7...
Page 95 INDEX Folded Optics, 2-11 Intensity, 3-29 Formats Max Brt, 3-29 Video, 5-2 Max Life, 3-29 Front IR Power, 3-30 Sensor Protocol, 3-26 Lamp Replacement Function (*) Key, 3-8 Warning, 4-1 Lamp Replacement Procedure, 4-4 LEDs, Status, 3-3, 3-35 Codes for System Errors, 3-35 Lens HDTV setting, 3-23 Cleaning, 4-3...
Page 96 INDEX Requirements, 5-3 Connection, 2-1 Setting for Lamp, 3-30 Selection, 2-1, 3-14 Warnings, 2-1, 3-2 Source Key, 3-7 Power Key, 3-6 Speakers, 3-24 Presentation Level Src (Source) Dialog, 3-25 Definition, 3-6 Src Key Mod (Source Key Mode), 3-25 Projector Standard (in Image Settings menu), 3-21 Cleaning/Maintenance, 4-3 Standby Key, 3-7 Components, 1-2, 3-1, 5-4...

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