Electrohome VistaGRAPHX 5000 User Manual

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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...................................................................... 2-6

2.4 Source Connections........................................................................................ 2-10

2.5 Power Connection.......................................................................................... 2-13

2.6 Operating Orientation..................................................................................... 2-14

2.7 Leveling ......................................................................................................... 2-14

2.8 Zoom, Focus & Vertical Offset...................................................................... 2-15

2.9 Serial Port Connections.................................................................................. 2-15

2.10 Keypad Protocols........................................................................................... 2-18

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

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

3.3 Using the Keypad............................................................................................. 3-3

3.4 Navigating the Menus .................................................................................... 3-11

3.5 Using Inputs and Channels............................................................................. 3-16

3.6 Adjusting the Image ....................................................................................... 3-21

3.7 Adjusting and Checking System Parameters.................................................. 3-32

3.8 Using Multiple Projectors .............................................................................. 3-39

3.9 Error Conditions............................................................................................. 3-38

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

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

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

4.4 Replacing the Lamp and Filter......................................................................... 4-4

4.5 Replacing the Lens........................................................................................... 4-9

4.6 Troubleshooting ............................................................................................. 4-10

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

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

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

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

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

E Throw Distance................................................................................................ E-1

F Optional Input Modules ................................................................................... F-1

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VistaGRAPHX 5000 is a professional-quality DMD projector that uses Digital



Light Processing brightness multimedia and video projection. It is ideal for use in large audience venues in which there may be high levels of ambient light, such as in auditoriums and lecture halls. The VistaGRAPHX 5000 is compatible with standard international video formats and can interface with IBM-compatible PCs, Macintosh

◊ 1024 X 768 pixels resolution ◊ over 4500 ANSI lumens, contrast ratio of 250:1 ANSI, 400:1 full field ◊ interchangeable lenses for diagonal screen sizes up to 40 feet ◊ NTSC, PAL and SECAM compatible (requires optional decoder) ◊ displays input from PCs, VCRs, laser-disc players, video cameras, etc.

◊ intuitive on-screen menus

for setup and control

◊ built-in and infrared (IR)

remote keypads

◊ controller and switcher

compatibility

◊ keypad selectable input

switching

◊ RS-232 input with loop-

through for networking multiple projectors

◊ RS-422 input for long distance control ◊ 5-language capability ◊ modular design for ease of servicing

(DLP) technology from Texas Instruments to achieve high-



computers, and workstations. Features include:

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VistaGRAPHX 5000 accepts data/graphics and video input signals for projection

onto flat or curved front or rear projection screens. High brightness light is generated by an internal 1000 watt CERMAX modulated by three DMD (digital micromirror device) panels which each provide digitized red, green, or blue color information. Light from 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 aluminum panels with an ABS front bezel.

Covers can be removed as necessary for quick replacement of the lamp or filter.

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Xenon lamp. This light is

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The projector's modular internal design provides for ease-of-service and minimal down-time.

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When you receive the VistaGRAPHX 5000 your dealer will have already unpacked it, inspected it, and prepared it for use. Included with the standard projector is an IR Remote Keypad, a line cord (power cord), a VistaGRAPHX 5000 User's Manual and a Warranty Registration Card. Make sure you have all these items. Immediately fill out the warranty registration card and mail it directly to Electrohome.

NOTE: VistaGRAPHX 5000 does not include a video decoder module (optional). This manual assumes that the video decoder option has been installed in the projector.

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Whether the projector is under warranty or the warranty has expired, Electrohome’s extensive factory and dealer service network is always available. Electrohome service technicians are fully trained to quickly diagnose and correct projector malfunctions. Complete service manuals and updates are available to service technicians for all new projector models manufactured by Electrohome.

If you have a proble m with your projector and require assistance, contact the authorized Electrohome dealer from which the projector was purchased. In many cases, servicin g can be performed on site. Fill out the information below for your records.

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NOTE: The projector serial number is on the projector's identification label located near the center on the rear panel of the projector.

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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.

NOTES: 1) The lens for the projector is not mounted when shipped from the factory. For instructions on how to install or replace a lens, refer to 4.5, Replacing the Lens. 2) This manual assumes the video decoder is installed.

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Follow these 6 steps for quick setup of the projector.

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Set the projector at the proper throw distance (projector-to-screen distance) and vertical position. See 2.3, Projector Position and Mounting. Make sure that the projector is level from side-to-side (see 2.7, Leveling).

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Locate the input panels at the rear of the projector. The upper right panel accepts an RGB input (via BNC connectors). The lower left panel accepts a composite video and S-video input. Connect a source to the appropriate panel.

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Plug the special notched AC line cord (power cord) into the AC power socket at the left rear of the projector. This cord is rated at 15 amps rather than the 8-10 amps in other typical cords. Input power required is 180 VAC to 264 VAC.

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Using either the IR remote or built-in keypad, press to turn the projector on. Let the projector warm up for five minutes. The Power LED should glow a steady green.

and hold for a second

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Using either the IR remote or built-in keypad, press

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) or (or connected in Step 2. By default, an incoming image will resize to fill as much as possible of all available pixels (1024 x 768) while m aintaining orig inal aspect ratio.

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With the input image displayed, rotate the lens barrel to increase or decrease image size (applies to zoom lenses only). Next, rotate the focus adjustment knob (next to the lens barrel) to achieve best focus. Then rotate the nearby Vertical Offset knob to achieve the best overall image position, focus and brightness without distorting the geometry of the image. Press

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to select a different source/channel. See 3.5, Using

to refine other display

Inputs and Channels.

Although VistaGRAPHX 5000 delivers a high brightness quality output, the final display quality could be compromised if the projector is not properly installed. This subsection discusses issues you should consider before proceeding with a final installation. Even if you do not intend to use VistaGRAPHX 5000 in a fixed and permanent installation, this subsection will help you to better understand what may be done to enhance display performance.

Choose the installation type which suits your needs: front or rear screen, floor

mount or inverted mount.

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Screen type is important when designing a projection system. Inexperienced

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users or installers should always consult their dealer when deciding on screen type. The following guidelines explain the differences between screen types.

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There are two basic screen types: flat and curved. The choice between a flat screen or a curved screen is dependent on audience viewing angle and screen gain. There is always a trade-off between viewing angle and gain. Viewing angles for both screen types are illustrated in Figure 2-1 and Figure 2-2 (plan views).

Flat screens offer a gain of about 1 with a viewing angle just less than 180°. Incident light reflects equally in all directions so the audience can see the display from various angles. Because of the lower gain, flat screens are more effective when ambient lighting is reduced.

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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. Incident light does not reflect equally in all directions. The reflected light concentrates in a conical volume or "viewing cone". Audiences within the viewing cone see a brighter image than that from an equal area on a flat screen. Audiences outside the viewing cone see a dimmer image.

NOTE: VistaGRAPHX 5000 lenses are designed primarily for use with flat screens. However, its depth-of-field range allows the lens to be focused on curved screens as well. Focus remains sharp in the corners, however there may be significant pincushion distortion, primarily at the top of the screen.

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There are two basic types of rear screens: diffused and optical. A diffused screen has a surface which spreads the light striking it. Purely diffused screens have a gain of less than 1. The main advantage of the diffused screen is its wide viewing angle, similar to that of a flat screen for front screen projection. Optical screens take light from the projector and redirect it to increase the light intensity at the front of the screen. This reduces it in other areas. A viewing cone, similar to that of a curved front screen installation, is created.

To summarize, optical screens are better suited for brightly lit rooms where the audience is situated within the viewing cone. Diffused screens are best suited when a wide viewing angle is required but there is low ambient room lighting.

Screen size may be from 5 to 40 feet diagonal, depending on the lens you are

using. For instance, a 1:1 lens produces a 6-30 foot image size, whereas a 4-7:1 zoom lens produces a 10-40 foot image size. Choose a screen size which is appropriate for your lens and application. Keep in mind that if the projector will be used to display text information, the image size must allow the audience to recognize all text clearly. The eye usually sees a letter clearly if eye-to-text distance is less than 150 times the height of the letter. Small text located too far from the eye may be illegible at a distance despite the image being projected sharply and clearly on the screen.

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To fill a screen with an image, the aspect ratio of the screen should be equal to the aspect ratio of the image. The aspect ratio of an image is expressed as the ratio of its width to its height. Standard video from a VCR has a 4:3 or 1.33:1 aspect ratio. For example, to display a VCR output with a 4:3 aspect ratio onto a 10 foot (3m) high screen, the width of the screen must be at least 13.3 feet (4m).

Note: Screen size is often specified as diagonal size. Screens specified by diagonal size have aspect ratios of 4:3. Screens with other aspect ratios are not typically specified by diagonal size.

The high brightness output of VistaGRAPHX 5000 is well suited for locations

where ambient lighting is less than optimum for projection; however, it is desirable that the projector be operated in an ideal projection room environment. For temporary installations where the room may not be designed for projection, there are many simple things which can be done to avoid problems caused by unwanted light.

Visiting a movie theater can give you an idea of what makes a good projection environment. Walls, floors and furnishings are dark and matte finished. A projection room should not have white reflective ceilings or non-directional lighting such as fluorescent lights. The white ceiling spreads light, making the room appear brighter. Keep lighting and reflections to a minimum.

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If it is not possible to eliminate fluorescent lights, consider using parabolic reflectors ("egg crates") to direct light down to the floor. Incandescent spot lighting is a better way to obtain illumination. Light dimmers or rheostats allow you to further control the lighting.

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Outside windows are undesirable in any projection room. A small crack between curtains on a sunny day can wash out a projected image. If you do have windows, make sure that window coverings are opaque and overlapping — some window coverings are designed to provide up to 100 percent blockage of outside light. Ideally, the material should have a matte finish.

To minimize the effects caused by unwanted light from door and aisle ways, carefully choose the position of your projector and screen. Figure 2-3 shows an installation where poor screen placement allows too much unwanted light to enter the screen. In Figure 2-4, the screen and the projector are positioned so that unwanted light is minimized.

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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. Again, reflective surfaces should be kept to a minimum.

Here are some other considerations and tips which can help you improve your

installation:

• Ventilation is an important factor when preparing a projection room. The

ambient temperature should be kept constant and below 35°C (95°F). Keep

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the projector away from heating and/or air conditioning vents. Changes in temperature can cause drifts in the projector circuitry which may affect performance.

• Keep the projector away from devices which radiate electromagnetic energy

such as motors and transformers. Common sources of these are slide projectors, speakers, power amplifiers, elevators, etc.

• For rear screen applications, less space is required if a mirror is used to fold

the optical path.

• Choose the right screen size for the application: ◊ As screen size increases, magnification increases which reduces

brightness. Select a screen size which is appropriate for the venue, but not larger than that required.

◊ Installing a large screen in a small room is similar to watching

television close up; too large a screen can overpower a room. A good rule of thumb is to be no closer than 1.5 times the width of the screen.

◊ Larger screens require greater attention to lighting conditions.

• When laying out the projection room, consider positioning the projector and

screen in a manner which will achieve maximum audience coverage and space efficiency. For example, placing the screen along the larger wall in a rectangular room will reduce audience coverage. Figure 2-5 shows two examples of how audience coverage is maximized.

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Installation type, screen type, and lighting all affect where the projector is positioned. In addition, both throw distance (the distance between the projector and screen) and vertical position (the height of the projector in relation to the screen) must be determined for every new installation. Both depend on the screen size and projector lens type you are using. Make sure that the room can accommodate the required position of the projector for the chosen screen size.

Throw distance is the distance between the projector's front feet and the screen.

It is measured perpendicular to the lens surface and screen surface. As you move the projector farther from the screen, the image becomes larger.

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Throw distance is roughly equal to the horizontal width of the screen multiplied by the type of lens you are using (for example, if using a 3.9:1 lens, throw

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the screen width). Once you know your

screen size, you can closely estimate how far away the projector should be, as shown in Table 2-1. Always refer to Appendix E for permanent installations.

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NOTES: 1) While throw distance is measured perpendicular to the screen and projector, this measurement is not necessarily parallel to the floor—both projector and screen may be inclined together. 2) It is good practice to simulate the setup with the projector fully warmed-up to determine the actual throw distance required. 3) Always refer to Appendix E for permanent installations.

The vertical position of the projector in relation to the screen also depends on the

size of the screen and the lens type. Correct vertical position helps ensure that the image will be rectangular in shape rather than keystoned (having non-parallel sides) and that image quality remains at its best.

Vertical position can be manually offset—that is, the image can be moved up— using the vertical adjustment knob on the front of the projector. The range of adjustment depends on the lens type you are using (Table 2-2). In addition, refer to Figure 2-6 to see more clearly how the pixel offset ranges affect the placement of your image in relation to the vertical location of the projector.

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NOTES: 1) If you cannot move the image enough for your installation, or if the image becomes keystoned or exhibits uneven brightness, the projector is probably too high or low in relation to the screen. 2) Recommended offset ranges can be exceeded, however this may affect image focus and/or brightness.

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For typical front or rear floor mounts, mount the projector

on a secure table or cart. Take care with a mobile cart— avoid sudden stops, excessive force and uneven surfaces that ma y ca u s e t h e p r o j e c t o r a n d c a r t c o mbi n a t i o n t o overturn.

The table or cart should be reasonably level. Fine adjustments to the projector level can be made by adjusting the height of the projector legs; refer to 2.7, Leveling for details.

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Note that VistaGRAPHX 5000 can be rotated and mounted at any vertical angle- i.e., you can tilt the projector forwards or backwards as much as desired for your application. The side-to-side tilt, however must not exceed 45° (see Figure 2-7). This limit ensures that the arc lamp in the projector operates properly and safely.

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If the projector is to be inverted, a ceiling mount fixture is required. Electrohome provides a ceiling mount kit for assembly and installation by a dealer/installer. For more information, contact your dealer or Electrohome.

In rear screen applications where space behind

the projector is limited, a mirror may be used to fold the optical path. See

Figure 2-8. The position of the projector and mirror must be accurately set. If considering this type of installation, call your dealer for assistance.

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The rear panel of the projector has two standard input panels to which you may connect a variety of sources. The upper right panel (INPUT 1) accepts an RGB input from an external RGB source with audio follow-through. The lower left panel (if video decoder module is installed) accepts composite video (INPUT 3) or S-video (INPUT 4) and audio from devices such as video tape or disk players. There are also several optional interfaces available for connecting other sources (INPUT 2). Such an option installs in the upper left panel. See Figure 2-9.

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The RGB input (INPUT 1) includes BNC type connectors for connection to a

variety of RGB sources. Such sources include VGA, SVGA, XGA, Mac, PowerMac, DEC, Sun, SGI and others. VistaGRAPHX 5000 supports multiple sync types: sync-on-green for data, composite, and separate H & V.

NOTE: Depending on the source, you may need a custom adapter cable that has BNC connectors at the projector end and different type of connector at the other (such as a 15-pin "D" connector for computer sources). Contact your dealer or Electrohome.

Connect the sync BNC input(s) first. Then connect the red, green and blue source outputs to the RED, GREEN, and BLUE inputs on the panel. If the source uses sync-on-green, only the red, green, and blue connections are required. If the source provides a composite sync output, connect it to the H/C SYNC input. If the source provides separate horizontal and vertical sync outputs, connect horizontal sync to the H/C SYNC input and connect vertical sync to the V SYNC input. See Figure 2-10.

Connect YUV (component) video as follows:

Y to "Green" U (also called B-minus-Y) to "Blue" V (also called R-minus-Y) to "Red"

NOTE: VistaGRAPHX 5000 does not automatically recognize a YUV signal. When using YUV video, you must specify this signal type within the Image Settings menu so that the projector can distinguish between this signal and other RGB sources. See 3.6, Adjusting the Image.

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To control audio levels in an audio/visual system, connect pre-amplified (line level) audio inputs to the left and right channel audio inputs on the INPUT 1 panel. Then connect the audio outputs to external audio amplification equipment for sound output. All audio connection cables require standard RCA type phono plugs.

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The Composite/S-Video input provides simultaneous connection of both a

composite video source (INPUT 3) and an S-Video source (INPUT 4). If connecting a S-Video source, use either the 4-pin mini DIN connector or the Y

and C BNC connectors (luminance and chrominance) — do not use both as input. If connecting a composite video source, use the Composite BNC connector or the RCA phono jack — do not use both as input. See Figure 2-11.

NOTE: If using the loop-through feature for composite or S-Video input, see "Video Termination" in 3.7, Adjusting and Checking System Parameters.

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If you want to use an extra video source in addition to the video source(s) connected at Input 3 and/or Input 4, connect either a Composite or S-Video source to Input 1 as shown in Figure 2-12.

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Optional interface modules allow you to increase the total number of inputs and

to accommodate other signal types. These modules may be installed in the upper left section of the control panel on the rear of the VistaGRAPHX 5000 (Input 2). They are:

• RGB Input Module

• RGB Loop Thru Module

• Composite/S-Video Module

• HDTV Input Module

• PC Analog Input Module

NOTES: 1) Installation of optional interfaces must be done by qualified service personnel only — contact your dealer or Electrohome. 2) See Appendix F, Optional Input Modules for a brief description of each interface.

Plug the special notched AC line cord (power cord) into the line input socket located at the left rear of the projector (Figure 2-13). Plug the three-prong end of the line cord in a grounded AC outlet. Input voltage to the projector must be between 180 and 264 VAC, 50 or 60 Hz. The power source must be capable of supplying 1500 watts of power to the projector.

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Caution: Once the projector is turned off, the lamp cooling fans will continue to run for approximately five minutes to ensure that the projector and lamp have sufficiently cooled, at which point the fans will automatically shut off. To avoid damaging the projector, never unplug the line cord while the lamp cooling fans are running. Do not unplug the projector in order to power down.

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VistaGRAPHX 5000 is set up at the factory for use in a front screen, floor mount orientation. If the installation is ceiling mount or rear screen, you may notice that displayed images are upside down and/or reversed. To correct, you must change the image orientation from within the Preferences menu (you may prefer to do this before physically installing the projector). See Section 3, Operation for further information.

In the Preferences menu, highlight and select the "Image Orientation" pulldown list. From a front screen floor mount installation, select from Rear, Inverted Rear, Front or Inverted Front according to your intended installation:

For most installations, the lens surface of the VistaGRAPHX 5000 projector must be parallel to the screen to prevent keystoning. To make small corrections to the projector's level, rotate each leg as necessary to raise or lower.

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Once the VistaGRAPHX 5000 is properly set up and projecting an image on screen, you are ready to make quick manual display adjustments.

If you are using a zoom lens, turn the outer shell of the lens barrel to decrease or

increase the size of the image at the current throw distance. Note: Do not touch the lens surface as it can be easily damaged.

Turn the Focus adjustment knob (next to lens barrel) until you obtain the best

overall image clarity. VistaGRAPHX 5000 includes a Vertical Offset adjustment knob to provide

vertical image shifting (raising and lowering) without causing keystone distortion. Proper adjustment can also maximize display brightness. Turn the knob until you achieve the best overall brightness without causing a distortion in picture geometry.

For further display adjustments through keypad commands and on-screen menus, refer to Section 3, Operation.

Use serial communication ports when controlling VistaGRAPHX 5000 with a personal computer having a serial interface or when using the projector with a Marquee switcher. VistaGRAPHX 5000 serial ports are located on the lower right portion of the projector's rear control panel as shown in Figure 2-14.

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NOTES: 1) All VistaGRAPHX 5000 serial connections require a 9-pin D connector. Refer to Appendix D for complete cable wiring requirements. 2) The "NETWORK OUT" port is provided for networking applications only — see "If using multiple projectors", below.

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You may wish to use a computer rather than a keypad for controlling the projector and for performing other special functions. From most computers, connect an RS-232 serial communication cable between the computer and the projector serial port labeled "NETWORK IN" (Figure 2-15). Then set the projector baud rate to match that of the computer. Changing the baud rate is described in 3.7, Adjusting and Checking System Parameters.

NOTE: In rare instances, some computers can provide RS-422 serial communications (generally through a plug-in adapter or external converter). See The RS-422 Port, below.

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Note: PC software is required for computer control. Contact your dealer or Electrohome for details.

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In rare instances, some computers can provide RS-422 serial communications (generally through a plug-in adapter or external converter) rather than the typical RS-232 found on most computers. RS-422 communications occur at a higher voltage level than RS-232 and are especially useful for distances greater than 600 feet. The projector’s RS-422 port is permanently set at 9600 baud.

If you wish to control the projector with a computer having RS-422 capability, connect the computer to the projector’s RS-422 port instead of the port labeled “NETWORK IN”. Again, use RS-422 only if you are certain that your computer has RS-422 capability (consult your documentation). See Figure 2-16.

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You may wish to use one or more external Marquee switchers or third-party

switchers in order to significantly increase the number of sources you can use. Connect an RS-232 serial communication cable between the switcher and the

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projector serial port labeled "SWITCHER" (Figure 2-17). This port is permanently set at 9600 baud.

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To control multiple projectors with a computer/controller, chain the projectors

together by connecting the "NETWORK OUT" connector of the first projector (already connected to the computer/controller) to the "NETWORK IN" connector of the next projector in the chain (Figure 2-18).

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Continue connecting projectors in this way to the last projector in the chain, so that only the last projector has an empty "NETWORK OUT" connector. See Figure 2-19.

Communication parameters such as baud rate must be set to match the particular controlling device—refer to the documentation that came with the controlling device in order to determine the proper baud rate. See 3.7, Adjusting and Checking System Parameters if you need help changing the projector baud rate from its default of

9600.

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Notes: 1) To avoid damage, connect only properly wired RS-232 serial communication cables. See Appendix D for details. 2) It is recommended that each communication cable be no more than 25 feet in length.

Each projector can be assigned a unique 3-digit projector number (for example,

001). These numbers are particularly useful when you are working with multiple linked projectors, enabling you to direct commands to a certain projector rather than broadcast to all projectors. For complete information on how to assign projector numbers, see 3.7, Adjusting and Checking System Parameters.

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At manufacture every keypad is assigned a default protocol, which is simply a collection of settings that determine how the keypad operates. Once 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.

Protocols are most useful for multiple-projector applications. For example, you might want to change a keypad protocol if you are working with two projectors and two remote keypads in the same room and need to control each projector independently (Figure 2-20). When Keypad 1 has a different protocol than Keypad 2, each keypad communicates only with the projector having a matching protocol. Or, if you have a network of two or more projectors connected together via RS-232 serial ports, you may want only certain projectors to respond to a wired keypad.

NOTE: Matching the protocol on the projector to that of a keypad is done through a setting in the VistaGRAPHX 5000 Preferences menu. See 3.7, Adjusting and Checking System Parameters for further information on how to change the projector's infrared sensor (rear and front) protocol.

A protocol for either type of remote keypad — IR or wired — can be changed through software commands entered on the keypad. A new protocol set through software commands remains in effect until the keypad batteries are removed and replaced (if an IR remote), or until the keypad is unplugged (if a wired remote). A remote can also be changed manually — you can "hard-wire" new jumper settings inside the keypad so that they remain in effect until you change the hardwiring. Note that a hard-wired protocol can be temporarily overridden by the

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software protocol change, effective until the keypad is unplugged and plugged in again (if a wired remote) or until a battery is removed (if an IR remote).

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The Vista

GRAPHX

5000 standard IR remote keypad or the optional wired remote can be set to one of two different protocols — “C” or “D”. To hard-wire a protocol to “C” or “D” in either remote, follow Steps 1 through 5.

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Unplug the keypad from the projector (applies to wired remote only).

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Unlatch and open the empty battery compartment on the back of the keypad as shown in Figure 2-21.

NOTE: A wired keypad will open as shown, but there will be a cable passing through the battery compartment cover.

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Find the 4 jumpers located along the latching side of the battery compartment. These jumpers set the keypad protocol and other settings so that the keypad functions in a certain manner.

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Set the jumpers as shown in Figure 2-22. 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.

-4

•

jumper: For either remote, set between pins 1 and 2 to set as Protocol

“C”. Set between pins 2 and 3 to set as Protocol “D”.

-5

•

jumper: For either remote, set between pins 2 and 3 as shown; otherwise,

the projector will not respond correctly to keypad commands.

-6

•

jumper: For the IR remote, make sure that the jumper is set between pins 2 and 3 as shown. For the wired remote, make sure that the jumper is set between pins 1 and 2 as shown.

-7

•

jumper: For the IR remote, make sure that the jumper is set between pins 1 and 2 as shown. For the wired remote, make sure that the jumper is set between pins 2 and 3 as shown.

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Replace battery compartment cover. Plug into projector (wired keypad only) and test.

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NOTE: Although they are similar, a Vista converted into an IR remote keypad, nor vise versa.

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You can also issue software protocol settings through the keypad. These software commands will be lost when the keypad is either unplugged or when a battery is removed — the keypad will revert back to the hard-wired jumper settings (see above) until you enter the software commands again.

Press Press

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NOTE: If you change any keypad to a new protocol and the projector stops responding, the projector may be set to a conflicting protocol. Use the projector's built-in keypad to access the Preferences menu. Under “Front IR Keypad” or “Back IR Keypad” or "Wired Keypad", select the protocol that matches the new protocol of the keypad at hand. The projector should now respond properly.

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This section explains how to use the VistaGRAPHX 5000 projector once it has been installed. Please read through these pages before using the projector for the first time. An understanding of VistaGRAPHX 5000 features and how to access them will help you to take full advantage of the capabilities of the projector within minutes. Organization of this section is as follows:

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NOTE: Installation involves locating the projector and adjusting it for use at that location. If you have not yet installed the projector, refer to Section 2, Installation and Setup.

Most VistaGRAPHX 5000 functions and adjustments are entered through keypad commands that either control the projector directly or activate a system of intuitive menus. Variations in settings can be defined and retained in the projector’s internal memory as a custom channel, with up to 99 different channels possible. Zoom (optional), focusing and vertical offset are manually adjusted. Main projector components are identified and explained below:

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The infrared (IR) sensors on the front and rear of the projector receive infrared signals from an IR keypad for remote control of the projector. For proper operation make sure that these sensors are not blocked.

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The lens barrel of a zoom lens (optional) rotates to adjust the size of the image at the current throw distance (projector-to-screen distance). Note that minimum and maximum image sizes depend in part on the specific zoom lens installed (see Section 5, Specifications).

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The focus knob adjusts the sharpness of the image at the current

throw distance.

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The vertical lens adjustment knob adjusts the vertical position of the image in relation to the projector lens. See Section 2, Installation and Setup for details.

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Accepts a composite video and S-Video signal from

devices such as VCRs.

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Accepts RGB and sync signals from devices such as computers.

Allows one or more projectors to be remotely controlled by a computer or controller, and provides a communications connection for Marquee and third-party (Extron) signal switchers.

Accepts only a special notched AC line cord as supplied

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with projector. See power requirements in Section 5, Specifications.

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Keypad for controlling the projector from a

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Alternative location for entering commands.

Accepts a wired remote keypad for remote control of the

projector.

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Emergency access for powering down the projector in the event

of a system failure. Insert pen point or small screwdriver.

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Two LEDs (light emitting diodes) located to the right of the Video Input Panel indicate "Status" (top) and "Power" (bottom). During normal operation, the "Power" light is steady green and the "Status" light flashes green each time a key is pressed or when the projector receives a serial command. Use the illustration shown here as a guide.

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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.

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You may use any of three different keypads to control the projector: the IR remote, the built-in, or the wired remote (optional). You may find one keypad more appropriate than another, depending on your specific installation and application.

On each keypad, some keys cause a direct action (such as

to turn the projector on or off). Other keys activate on-screen menus and other windows from which you can make choices and changes. On the built-in keypad, keys labeled with both a direct function as well as a number (such as default to their direct function (in this case

) unless numeric entry is

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expected and required to complete a specific command — there is no separate function key for enabling direct vs. numerical entry on this keypad.

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The built-in keypad is located on the back panel of the projector. See Figure 3-2.

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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 IR remote keypad the same way you would use a remote keypad supplied with a TV or VCR. When making key presses, point the keypad either toward the screen or toward the front or rear of the projector.

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The optional wired remote keypad connects to the projector’s remote jack via a

25 ft extension cable. It is recommended when:

• the location of the keypad in relation to the projector or screen prohibits IR

Remote Keypad operation.

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+ 84 hidden pages

Electrohome VistaGRAPHX 5000 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual