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DLV 1280 User's Manual

4-13

The display is faint...
1. Brightness and/or contrast may be set too low. Increase the brightness and/or

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. The projector may be too far from the screen. Move the projector closer to

the screen.

4. The location of the audience with respect to the screen may not be adequate.

Make sure the audience is within the viewing angle set by the projector and
screen position, and the screen type.

5. The source may be double terminated. Ensure the source is terminated only

once.

6. The source (if non-video) may need sync tip clamping. Turn the “

Clamp Tip

”

option to “

” in the Horizontal Settings menu.

The display is reversed or upside down...
1. The projector's image orientation is not set correctly for the current

installation. Refer to 2.6, Operating Orientation, to set the projector's image
orientation to match your installation.

The upper portion of the display is waving, tearing or jittering...
1. This can sometimes occur when the source is a VCR or video signal. If you

are using a VCR, turn the "

VCR

" option to “

” within the Image Settings

menu.

Portions of the display are cut off or wrap to the opposite edge...
1. Horizontal/vertical size or position may need adjustment. Adjust until the

entire image is visible and centered.

The display appears compressed or stretched
1. The

Horizontal Size (or Vertical Size) setting may be incorrect for the

current source. Adjust H-Size in the Horizontal Settings menu (or adjust V-
Size in the Vertical Settings menu).

2. The frequency of the pixel sampling clock is incorrect for the current source.

Adjust pixel tracking up or down.

Display quality appears to drift from good to bad, bad to good...
1. The operating temperature of the projector may not be constant. Watch that

the projector is not located too close to heating/air conditioning vents.

2. The source input signal may be of low quality.

3. The horizontal or vertical frequency of the input may have changed at the

source end.

An unknown menu has appeared
1. You may have accidentally entered a special engineering code. Press

cancel the function and return to presentation level.

Symptom

CAUSE / REMEDY:

Symptom

CAUSE / REMEDY:

Symptom

CAUSE / REMEDY:

Symptom

CAUSE / REMEDY:

Symptom

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Содержание DLV 1280

Страница 1: ...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 Projec...

Страница 2: ...e an optional decoder Diagonal screen size up to 30 feet Set up and adjust images directly or through menus Memory for up to 99 different channels or source setups Active data loop through capability...

Страница 3: ...luded Internal speakers not included IR remote keypad 1 per installation Warranty card NOTE The overseas export DLV 1280 and the DLV 1280 CR do not include video or audio functions This manual assumes...

Страница 4: ...Projector Position and Mounting CHECK LEVEL Rotate the feet until the projector is level See 2 7 Leveling Connect a Source Locate the input panel at the rear of the projector Connect RGB inputs such...

Страница 5: ...r the screen Also ensure that the projector is perpendicular to the screen See 2 8 Zoom Focus and Offset and Figure 2 10 CHECK HORIZONTAL OFFSET To mechanically place your image slightly left or right...

Страница 6: ...er Rear Screen Floor Mount with Mirror ADVANTAGES CONSIDERATIONS Projector is completely hidden Usually good ambient light rejection Requires less space behind screen than other rear screen installati...

Страница 7: ...g on curved screens as well Focus remains sharp however there may be significant pincushion distortion primarily at the top of the screen Rear Screen Installations There are two basic types of rear sc...

Страница 8: ...80 x 1024 sources is 5 4 Using a 5 4 Screen If you use a mix of sources i e those with the rectangular 4 3 aspect ratio as well as those with the slightly more square 5 4 aspect ratio a 5 4 screen wil...

Страница 9: ...and reflections to a minimum 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 bet...

Страница 10: ...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 siz...

Страница 11: ...ndicular to the screen and projector not necessarily parallel to floor As the distance between the projector and the screen increases image size also increases Throw distance is roughly equal to the h...

Страница 12: ...ype of lens you are using the image can also be offset up or down by turning the vertical offset adjustment knob on the top edge of the projector The number of pixels by which you can raise or lower a...

Страница 13: ...cart avoid sudden stops excessive force and uneven surfaces that may cause the projector and cart combination to overturn The table or cart should be reasonably level but fine adjustments to the proj...

Страница 14: ...on green for data composite and separate H V If desired loop the signal out through the DAT OUT port to a second destination such as a monitor or another projector DAT 2 A standard RGB input with a V...

Страница 15: ...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 you only need to connect the red green and blue If your source provide...

Страница 16: ...e Figure 2 15 Figure 2 15 Connecting a Composite Video Source VID 1 AUDIO To control audio levels in an audio visual system connect pre amplified line level audio inputs to the left and right audio in...

Страница 17: ...ously See Figure 2 17 Figure 2 17 Connecting an S Video Source VID 2 AUDIO To control audio levels in an audio visual system connect pre amplified line level audio inputs to the left and right audio i...

Страница 18: ...u See 3 6 Adjusting the Image YCrCb AUDIO Connect pre amplified line level audio inputs to the left and right audio inputs labeled VID 1or DAT 1 depending on where your video input is connected see Fi...

Страница 19: ...ect from Front Rear Inverted Front or Inverted Rear according to your intended installation See Figure 2 21 For most installations you will want to make sure that the projector is level from side to s...

Страница 20: ...to the left or right of center Depending on the lens present turning the Vertical Offset adjustment knob can raise or lower the image without causing keystone distortion Turn the knob until you achiev...

Страница 21: ...ed RS 232 IN Figure 2 24 Then set the baud rate to match that of the computer Changing the baud rate is described in 3 7 Adjusting and Checking System Parameters Figure 2 24 RS 232 Serial Port Connect...

Страница 22: ...for the controlling device See 3 7 Adjusting and Checking System Parameters if you need help changing the projector baud rate from its default of 38400 Figure 2 27 Three Networked or Chained Projecto...

Страница 23: ...that of a keypad by setting the desired option in the Preferences menu use Front IR Rear IR or Wired Keypad depending on which you want to change See 3 7 Adjusting and Checking System Parameters for f...

Страница 24: ...latch and open the battery compartment on the back of the keypad as shown in Figure 2 29 Make sure the batteries are in place IR keypad only NOTE The optional wired keypad appears as shown but there i...

Страница 25: ...6 Replace battery compartment cover Plug into projector wired keypad only and test NOTE Although they are similar a wired keypad cannot be converted into an IR remote keypad nor vice versa SHORTCUT ME...

Страница 26: ...ng 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 2 This manual assumes all audio video options are insta...

Страница 27: ...osition of the image in relation to the projector lens See Section 2 Installation and Setup for details Accepts Composite video or S Video signals from devices such as VCRs Accepts RGB and sync signal...

Страница 28: ...a wired remote keypad for alternative method of remote control Use any of three different keypads to control DLV 1280 The Built in Keypad the IR infrared Remote or the Wired Remote Keypad optional Eac...

Страница 29: ...nel 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 ther...

Страница 30: ...less 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...

Страница 31: ...another action such as during power up the key press may not take effect When you turn on the projector it begins operating at presentation level which displays the image from the existing source sig...

Страница 32: ...ences menu you have chosen for the key You can choose to enter the switcher and slot number for a source location when you press this is the default or you may prefer to see a scrollable list of chann...

Страница 33: ...e having a scroll bar Minus or Left Arrow There are various uses for these keys depending on the situation or to decrease a slidebar value or to change an on off option to off in short menus or to scr...

Страница 34: ...to begin increasing or decreasing the amount of perceived light in the image so that black just changes to very dark gray See 3 6 Adjusting the Image Image Settings subsection NOTE Remote keypads onl...

Страница 35: ...ource on or off A small MUTE message will appear until you cancel press or If a menu is visible press or on the built in keypad to hide it You can continue adjustments as usual with the arrow keys whi...

Страница 36: ...ion Then press to select it Or simply press the appropriate number key for quicker access to any numbered menu item If a menu is longer than a single page indicated by the presence of a scroll bar on...

Страница 37: ...access General Help topics Press to return to presentation level Within most function menus you can change various settings through slidebars on off toggles and pull down lists Highlight the menu ite...

Страница 38: ...Press to move down in the list then press to save Press to move up in the list then press to save Press a key corresponding to a numbered option Press to cancel escape Original setting remains NOTE P...

Страница 39: ...y 5 seconds Other 15 minutes NOTE See Section 2 Installation and Setup for a complete explanation of how to connect the various types of sources to the projector Once you connect a source to the proje...

Страница 40: ...e are collectively stored in the projector s memory as a unique source setup called a channel DLV 1280 can store and automatically recall up to 99 channels so that you do not have to repeatedly re con...

Страница 41: ...that this channel will be included in the channel selection menu also known as the channel list available from the key NOTE By default a channel will have an m here thus the channel will appear in th...

Страница 42: ...nel will appear in the Channel Setup menu the next time you are in it and will be assigned the lower available channel number Deleting Multiple Channels In the Channel Setup menu highlight the Delete...

Страница 43: ...ce Press to delete a character or number Press to accept all when done Press to cancel escape Original text remains Remember to press after each character or digit you want You can enter numbers direc...

Страница 44: ...ul if you specifically wish to re define a channel according to default values or if you want to change the source for a channel A message of reading New Values appears on screen during an update Vari...

Страница 45: ...lor saturation level For example setting Color to 0 produces a black and white image If Color is set too high the color levels in the picture will be over powering and unrealistic Use or until the des...

Страница 46: ...emp COLOR TEMPERATURE expressed in degrees Kelvin adjusts coloration reddish or bluish of the whites displayed the lower the temperature the more reddish the whites Use or as desired for the current c...

Страница 47: ...your image shows shimmer If shimmer is in vertical bands adjust tracking first For best results adjust pixel phase from within a smooth gray test pattern made up of a clear pattern of tiny black and w...

Страница 48: ...V size have the following meanings 1000 1 1 size 2000 2 1 size 3000 3 1 size Top Blank TOP BLANK blanks out the top edge of an image turns it to black You can use this option in combination with vert...

Страница 49: ...s Baud Rate The baud rate setting determines the speed of RS 232 communications important if you are controlling the projector with an external device such as a computer or another projector via an RS...

Страница 50: ...urce Error Msgs Choose in what way you want to be notified of errors detected in either the incoming signal or projector Select Screen or All if you want a brief message displayed If you prefer to be...

Страница 51: ...e both IR sensors you cannot use the IR remote keypad to select the second Off setting This safeguard prevents accidentally disabling the IR keypad while you are using it Instead use either the built...

Страница 52: ...s DLV 1280 keypads and VistaPro keypads are interchangeable and are set to Protocol A at manufacture Please see 2 10 Keypad Protocols 2 The Electrohome keypads used with the Marquee projector are not...

Страница 53: ...ry Once installed you can set different options for the lamp such as its intensity and expected life span These setups can be changed at any time during the life of the lamp NOTE See 4 4 Replacing the...

Страница 54: ...nly Set which LAMP MODE you want to use in order to control the light output and or life span of the lamp The higher the light output or power setting the shorter the life span of the lamp Use the lam...

Страница 55: ...ector will automatically increase the power supplied to the lamp as needed to maintain the chosen intensity to within 10 of the setting This is called brightness tracking Keep in mind that once the la...

Страница 56: ...rols if you need help entering the number Once entered the new lamp serial number will be added to the Lamp History menu and the Lamp Hours timer will reset to 0 Lamp Mode and Lamp Limit remain as the...

Страница 57: ...and blue flicker 6 Press when each of the three colors are as stable as possible You will find that all three flicker values should range from approximately 230 330 or from approximately 1700 2100 de...

Страница 58: ...to which the keypad is connected has its Broadcast Keys option set to On and the Wired Keypad enabled The remaining projectors must have their Broadcast Keys option off and keypads disabled When your...

Страница 59: ...sages appear only if the Error Msgs in the Preferences menu is set to Screen or All No Signal The message No signal appears when there is no signal on the selected input Both HSYNC and VSYNC are inact...

Страница 60: ...low and red light while the Power LED glows a continuous red you have encountered a possible system error requiring the attention of a qualified service technician see System Warnings and System Error...

Страница 61: ...ccompanying the projector The lightning flash and arrowhead symbol within the equilateral triangle alerts the user to non insulated dangerous voltage within the projector s enclosure that may be of su...

Страница 62: ...acing the Filters for the complete filter replacement procedure WARNING Only use filters supplied by Electrohome Operate the projector at the specified voltage only Do not overload power outlets and e...

Страница 63: ...ojector yourself All servicing must be performed by a qualified Electrohome service technician If replacement parts are required it is important that only Electrohome approved parts are used Other par...

Страница 64: ...Service Lamp menu Lamp Hrs indicates the total number of hours the lamp has been used NOTE As the lamp nears its Lamp Limit as set in Service Lamp a lamp timer message may appear on screen to warn tha...

Страница 65: ...r the flexible U V Light Shield and are accessible through holes in the bracket beneath the shield Puncture cut the U V shield as necessary unscrew all 4 screws and carefully lift the lamp assembly st...

Страница 66: ...Replace projector lid Replace the projector lid and secure with the four corner screws Power up the projector Plug the projector in and press to turn it on Allow the projector to warm up for about fiv...

Страница 67: ...o the atmosphere You can now dispose of the lamp module with regular waste Note that the integral lamp timer contains a small amount of mercury This mercury must be treated as hazardous waste if disca...

Страница 68: ...to remove Insert the new side filter between the brackets making sure that the tabbed side faces out Slide all the way down Replace Top Filter The top filter is installed horizontally near the center...

Страница 69: ...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 a...

Страница 70: ...e the projector lid Loosen the four screws located in the corners of the projector lid Lift the lid off the projector and set aside Loosen the lens mount and remove the lens Locate the lens mount behi...

Страница 71: ...turn on when is pressed 1 Make sure that is held down for at least a second or two 2 Are both LEDs OFF on at the back of the projector Check that the power cord is properly connected at the both the w...

Страница 72: ...ypad operation Determine if such conditions exist and correct 5 The IR keypad may have been disabled for use with this projector s See 2 10 Keypad Protocols and 3 7 Adjusting and Checking System Param...

Страница 73: ...ur when the source is a VCR or video signal If you are using a VCR turn the VCR option to On within the Image Settings menu Portions of the display are cut off or wrap to the opposite edge 1 Horizonta...

Страница 74: ...not rectangular 1 Are the vertical and horizontal offsets adjusted correctly for the current throw distance Use the offset knobs on the top of the projector and see 2 8 Zoom Focus and Offset for more...

Страница 75: ...er of possible grays 256 Color Temperature Range of Adjustment 3200 K to 9999 K Projection Lenses Lenses Throw ratio 2 1 3 1 zoom 1 2 1 1 5 1 3 1 zoom 3 1 7 1 zoom Screen Size diagonal 2 3 30 4 10 4 3...

Страница 76: ...l S Video Luminance Y 1 0 Vp p 3db including sync tip Input level S Video Chrominance C 630 mVp p nominal burst DC offset 3 5V Impedance 75 ohms Sync Input levels with VCM version 27071 01 with VCM ve...

Страница 77: ...36 kHz Backlight LED array Battery type Alkaline cells AA 4 Battery life 1 year shelf 1 month continuous use Size W x L x H 26 x 27 x 13 66cm x 68 6cm x 33cm Product weight no lens 70 lb 32 kg Shippin...

Страница 78: ...uded not included Audio functions not included not included Internal speakers not included IR remote keypad 1 per installation Warranty card Alternate Throw Lenses see page 5 1 Marquee Signal Switcher...

Страница 79: ...m their origin The DLV 1280 default baud rate of 38400 can be changed to match a controlling device The time inside one scan line during which video is not generated The blanking time of the input sig...

Страница 80: ...a A device in the North American DLV 1280 that converts NTSC 3 58 NTSC 4 4 PAL PAL N PAL M or SECAM to RGB video The sharpness of a display from a video source adjustable on some types of projectors A...

Страница 81: ...asing the horizontal line rate If the resulting frame rate is too low the image may flicker depending on the image content A small push button device which allows the user to control projector setting...

Страница 82: ...error message For example if a help page is displayed the projector is not at presentation level The distance between the projector s front feet and the screen Also called Throw Distance The type of c...

Страница 83: ...raphical display of an adjustable setting The numerical setting usually represents a percentage The device such as a computer or VCR connected to the projector for display A source is identified by th...

Страница 84: ...DLV 1280 can automatically recognize the standard required for a source and display accordingly Screens do not reflect equally in all directions Most light is reflected in a conical volume centered ar...

Страница 85: ...Appendix B Keypad Reference DLV 1280 User s Manual B 1 Figure B 1 IR Remote Keypad or Wired Keypad Remotes are optional on DLV 1280 CR...

Страница 86: ...KEYPAD REFERENCE B 2 DLV 1280 User s Manual Figure B 2 Built in Keypad...

Страница 87: ...Appendix C Menu Tree DLV 1280 User s Manual C 1...

Страница 88: ...ial Communication Cables DLV 1280 User s Manual D 1 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 S...

Страница 89: ...SERIAL COMMUNICATION CABLES D 2 DLV 1280 User s Manual...

Страница 90: ...ed with a keypad Switcher inputs can also be selected by pressing the appropriate front panel push button Features can be used with DLV 1280 and other projectors simple push button control easy to see...

Страница 91: ...e horizontal and vertical sync BNC connectors for RGB signal inputs Buffered signals to a remote destination RCA connectors for left and right channel audio inputs The RGB400 Active Loop Through Input...

Страница 92: ...280 includes a multistandard decoder optional on overseas export model The HDTV Input Module may be installed in a Marquee signal switcher or Marquee Case Power Supply and used with DLV 1280 The modul...

Страница 93: ...uee Case Power Supply enables you to use an input module as a stand alone interface that can be connected to a projector Two modules are available one for use with 120 volt line voltage 38 801023 XX a...

Страница 94: ...3 19 Channels vs Sources 3 25 Clamp Tip 3 23 Color Adjusting 3 20 Color Temperature 3 21 5 1 Component YCrCb Video 2 15 Composite Video Connecting Additional 2 13 Connection 2 13 Contrast 3 20 Contras...

Страница 95: ...tions 5 3 Timer Message 4 4 Lamp Limit Resetting 3 31 Lamp Modes Intensity 3 29 Max Brt 3 29 Max Life 3 29 Power 3 30 Lamp Replacement Warning 4 1 Lamp Replacement Procedure 4 4 LEDs Status 3 3 3 35 C...

Страница 96: ...2 20 3 24 3 32 3 33 5 2 Communication Cables 3 24 Connection 2 17 S Screen Aspect Ratio 2 5 Screen Size 2 5 2 7 2 8 4 14 and Throw Distance 2 5 Screen Type 2 3 Service Requirements 4 3 Size See H Siz...

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