Manuel d'utilisation / d'entretien du produit PMCD750 du fabricant Pelco
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® PMCD750 DLP ™ Display INSTALLATION/OPERATION C2928M (7/05) 50-Inch Rear Projection Display.
2 C2928M (7/05) Contents Important Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Regulatory Notice .
C2928M (7/05) 3 Opening a Screen Temporarily for Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Changing the Lamp . . . . . . . . . . . . . . . .
4 C2928M (7/05) List of Illustrations 1 Mounted Screen Support and Bottom Connection Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2 T ie-back Connection Points .
C2928M (7/05) 5 Important Safety Instructions 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water . 6. Clean only with dry cloth. 7. Do not block any ventilation openings.
6 C2928M (7/05) Regulatory Notice This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
C2928M (7/05) 7 Overview DESCRIPTION The PMCD750 DLP ™ display is a 50-inch rear projection monitor that combines the best features of direct view and rear projection technology .
8 C2928M (7/05) Installation UNPACKING Unpack the PMCD750 unit. The screen is not needed yet and should be left in its container at this time. ASSEMBLING THE CHASSIS INSTALLING A STAND-ALONE UNIT Attach the screen support to the front edge of the chassis with supplied screen support bolts.
C2928M (7/05) 9 Figure 1. Mounted Screen Support and Bottom Connection Point 3. Check the first row for horizontal straightness by making sure the front and top edges of adjacent units are flush. If necessar y, use shims under the units to make sure the top edges of adjacent units are flush.
10 C2928M (7/05) BUILDING A WALL – SECOND ROW AND UP Figure 2. T ie-back Connection Points After verifying that the first row is straight and solid, continue building the wall. T o continue building the wall, do the following: 1. Stack another row of PMCD750 units on the first row .
C2928M (7/05) 11 Figure 3. Alignment Pin Locations ALIGNMENT PINS FIRST ROW SECOND ROW ALIGNMENT HOLES ALIGNMENT PIN DET AIL.
12 C2928M (7/05) 2. As each unit is placed in the second row , secure it to the front of the lower unit with two 6-32 x 3/8-inch screws. Refer to Figure 4.
C2928M (7/05) 13 3. Bolt the PMCD750 units together vertically through the vertical connection points using the 1/4-20 x 3/8-inch bolts. Refer to Figure 5. 4. Bolt the PMCD750 units together through the bottom connection points the same as the first row .
14 C2928M (7/05) CONNECTING ANALOG AND DIGITAL SOURCES The PMCD750 will accept video input from devices with VGA or DVI output. Video source devices with either or both of these output types can have their images displayed on the PMCD750.
C2928M (7/05) 15 For stand-alone units, connect the video input to the Analog 1, Analog 2, or Digital In input. Multiple inputs can be connected simultaneously . Refer to Figure 6. For wall systems, connect the video input to the Analog 1, Analog 2, or Digital In input.
16 C2928M (7/05) Figure 7. RS-232 and RS-485 Connections INSTALLING SCREENS The PMCD750 screens in a wall are quite close together , so the order in which they are installed in a wall is very important. To install a screen on a stand-alone unit, follow the instructions in steps 2a, 2b, and 2c.
C2928M (7/05) 17 Figure 8. Screen Rails Figure 9. L-Shaped Screen Slot SCREEN RAILS SCREEN RAIL PIN DET AIL.
18 C2928M (7/05) 3. Install the screens to the left and right of the center screen to complete the bottom row . After adding a screen, press it toward the center . 4. Check the line of this bottom row of screens. If they are not straight, use shims on the top of the screen support until the screens are straight.
C2928M (7/05) 19 Alignment and Adjustment ALIGNING THE OPTICAL ENGINE The optical engine must be adjusted to aim the picture accurately at the screen. Although the optical engine was perfectly adjusted when the PMCD750 unit left the factory , vibration along the way may have moved it.
20 C2928M (7/05) Figure 12. Grid and Alignment T est Patterns 6. T o position the grid pattern to the center of the screen: a. Use the button to scroll up to Left Side. b. Press the + button to adjust the left side of the image up. c. Press the – button to adjust the left side of the image down.
C2928M (7/05) 21 6. Press ENTER on the remote. A checkmark appears next to the selection and the picture and menus are inverted. The left-right of the optical engine alignment motors are also reversed to make the left-right orientation correct for viewing.
22 C2928M (7/05) Figure 14. Auto Setup 5. Press MENU to close the menu. 6. Press SETUP on the remote control. The display will now perform an automatic adjustment of the black and white levels, as well as all of the other functions selected in the Auto Setup Options menu.
C2928M (7/05) 23 Figure 15. Input Level Adjustment Main Menu Picture Size & Position Advanced Options Program Information Aspect Ratio & W all Memory Diagnostics Analog 1 Analog 2 Digital Picture Pixel Frequency 65.02 MHz Sync T ype Separate H&V V ertical Frequency 60 Hz Horizontal Frequency 43.
24 C2928M (7/05) COLOR BALANCING A WALL OF PMCD750 DISPLAYS Color balancing will make the individual units within a wall show uniform colors. This can be performed before or after adjustment of the input levels. The following procedure is required for all units in a wall system.
C2928M (7/05) 25 9. Look at all the displays together . Stand far enough away from the wall so that you are looking almost squarely at all of them. Pay attention to the large central area, not the edges. 10. Find the darkest display . This will serve as the baseline display for adjusting all of the displays in the wall.
26 C2928M (7/05) Crop: This will expand the picture until the second edges (refer to Letterbox/Pillarbox ) touch the border and let the other edges of the picture fall outside the wall and get cropped. Justification adjustments can be employed to better center the image.
C2928M (7/05) 27 IMAGE POSITIONING After the aspect ratio has been set, the image position on the screen can be adjusted. The following procedure is required for a stand-alone unit and all units in a wall system. To adjust the position of the image, refer to Figure 18 and do the following: 1.
28 C2928M (7/05) OVERSCAN The overscan feature allows the image to be expanded up to a maximum of 20%. The following procedure is required for a stand-alone unit and all units in a wall system. To change the overscan setting, refer to Figure 19 and do the following: 1.
C2928M (7/05) 29 PREFERRED SOURCE DETECTION When the PMCD750 attempts to detect an analog mode, it uses the horizontal frequency , the vertical frequency , and the number of horizontal lines per vertical interval.
30 C2928M (7/05) HD INTERLACED CONTENT When displaying 1080i video sources, deinterlacing artifacts can sometimes be visible. HD interlaced content can minimize or eliminate these artifacts to produce a sharper image. There are two levels of this function.
C2928M (7/05) 31 POSITION AND ZOOM Position moves the picture on the screen. This is not the same as optical engine alignment. Zoom adjusts the edges of the image to make them fit with the other images in a wall.
32 C2928M (7/05) ZOOM ADJUSTMENT The following procedure is required for a stand-alone unit and all units in a wall system. Zoom is primarily used to adjust the edges of a single image spread over several displays.
C2928M (7/05) 33 SAVING AND RECALLING ADJUSTMENTS AND DELETING A MEMORY The PMCD750 has 40 numbered memory slots that can be used to save and recall image adjustments and apply them to a specific source and input. Once assigned, the input will have these image adjustments applied each time the associated source is detected.
34 C2928M (7/05) 5. Scroll down to Save, press + on the remote, and then do the following: a. Use the , , , and buttons on the remote to navigate to an unchecked box. Selecting a checked box will overwrite (replace) the preferences stored there.
C2928M (7/05) 35 RECALLING SLOT PREFERENCES The following procedure is required for a stand-alone unit and all units in a wall system. To recall stored preferences, refer to Figure 25 and do the following: 1. Press the MENU button on the remote. 2. Scroll down to Memory .
36 C2928M (7/05) DELETING STORED SLOT SETTINGS NOTE: It is not necessary to delete a memory slot before saving something new . The following procedure is required for a stand-alone unit and all units in a wall system. To delete stored slot settings do the following: 1.
C2928M (7/05) 37 Operation START-UP SEQUENCE When AC power is applied, there are a few seconds of apparent inactivity in which the electronics module begins start up and initialization. Next, if the optical engine is warm, the intake and lamp fans start.
38 C2928M (7/05) 4. Scroll down to Auto Lamp On. 5. Press ENTER on the remote to select (check mark) or deselect (no check mark) the check box. 6. Scroll down to Lamp Saver . 7. Press ENTER on the remote to select (check mark) or deselect (no check mark) the check box.
C2928M (7/05) 39 USING THE REMOTE CONTROL The remote control projects a series of IR (infrared) pulses to the PMCD750 display for control. Aim the remote control at a single display and press MENU. The main menu should be visible if the lamp is on. Refer to Figure 27 for remote control buttons and their associated commands/ actions.
40 C2928M (7/05) If the remote is not functioning properly , check for the following causes: • The batteries in the remote are dead or installed wrong. • The remote was not aimed at the screen. • The IR receiver in the display is blocked. • The IR remote action was disabled by an RS-232 command.
C2928M (7/05) 41 SELECTING A SOURCE The source is the image coming into the PMCD750 display . NOTE: If a “Source Absent” message appears on the screen, this indicates that there is no video coming into that input or that the signal is not viewable.
42 C2928M (7/05) CONTROLLING WITH RS-232/RS-485 INTERFACE Control from a computer and external control device using serial commands through an RS-232/RS-485 interface can provide increased convenience and flexibilty when setting up and running a wall of PMCD750 displays.
C2928M (7/05) 43 BAUD RATE Each display’ s baud rate must be set to the computer’ s and controller’ s baud rate. The baud rate is not automatically established, as it is in modems. To set the baud rate, refer to Figure 31 and do the following: 1.
44 C2928M (7/05) T ERMINATION In some cases, it may be necessary to terminate the last display in a series. In most instances, this is not necessary . T erminating the loop unnecessarily can cause communication problems. If communication of commands appears to be working properly with all displays in the wall, do not terminate the series.
C2928M (7/05) 45 ASSET T AG AND UNIT STATUS The Asset T ag feature displays specific information relative to serial number and current status of the PMCD750 display . To display the asset tag information, refer to Figure 33 and do the following: 1. Press MENU on the remote.
46 C2928M (7/05) Figure 33. Unit Status Main Menu Picture Size & Position Advanced Options Program Information Aspect Ratio & W all Memory Diagnostics Diagnostics Unit Status RS232 Port Status Hours RS485 Port Status T est Patterns Setup Summary Unit Status 1280 x 720 Rev X.
C2928M (7/05) 47 Maintenance REMOVING OR OPENING A SCREEN To remove a screen from a PMCD750 stand-alone display , simply grasp the sides of the screen and pull forward sharply .
48 C2928M (7/05) REMOVING A CENTER SCREEN When removing a screen located in the center column of a wall, first it is necessary to remove all screens located on one side and above the target screen in order to avoid damage. Refer to Figure 35 for an example of the order in which to remove screens.
C2928M (7/05) 49 Figure 36. Screen Rail Hook CHANGING THE LAMP The lamp can be removed from the front or the rear . REMOVING THE LAMP FROM THE FRONT To change the lamp from the front, refer to Figures 37-40 and do the following: 1. T urn off the AC power switch, and then remove the cord.
50 C2928M (7/05) Figure 37. Light Shield Location Figure 38. Light Shield Latch and Securing Screw LIGHT SHIELD ELECTRONICS MODULE LIGHT SHIELD LA TCH SECURING SCREW.
C2928M (7/05) 51 Figure 39. Opened Light Shield and Lamp Figure 40. Lamp Detail LAMP OPEN LIGHT SHIELD LAMP SCREW CONNECTOR.
52 C2928M (7/05) REMOVING THE LAMP FROM THE REAR 1. T o change the lamp from the rear , refer to Figure 40 and Figure 41 and do the following: 2. T urn off the AC power switch, and then remove the cord. Refer to the Shut-down Sequence section. 3. Remove the six 1/4-turn screws located on the rear panel.
C2928M (7/05) 53 REPLACING THE LAMP 1. Plug in the lamp cable, making sure it is fully seated. 2. Mount the lamp into place by aligning the two pins opposite the lamp screw into the holes located on the top of the optical engine. 3. T ighten the lamp screw into the threaded bracket on top of the optical engine.
54 C2928M (7/05) CHANGING THE AIR FILTER Clean, cool air is vital for the proper operation of the PMCD750 display . The interval for changing the air filter is dependent upon the environment that the display is used in.
C2928M (7/05) 55 CLEANING THE SCREEN AND MIRRORS Periodic cleaning of the screens, mirrors, and lens is necessary to maintain a high quality image on the PMCD750 display . Environmental conditions will dictate the frequency of this type of maintenance.
56 C2928M (7/05) T roubleshooting There are several methods that can be used to determine nature of a functional problem with the PMCD750 display . ON-SCREEN CODES The on-screen code is a sequence of of red and amber lights that can flash on the screen to indicate current status or if a fault exists.
C2928M (7/05) 57 Figure 44. Rear View of Input Panel and LEDs To view the LEDs from the front of the display , open the screen. Refer to the Removing or Opening a Screen section. After opening the screen, open the electronics module door located on the right side of the chassis.
58 C2928M (7/05) T able B. LED Code Chart LED Name When the LED is… Off Green Amber Red Ready Lamp is on (or no power) Source No power to the electronics module V alid source is present Source absen.
C2928M (7/05) 59 Specifications GENERAL Display Resolution 1280 x 720 pixels (720 progressive) Aspect Ratio (W/H) 16:9 Screen Dimensions Diagonal 50” (127 cm) Width by Height 43.
PRODUCT WARRANTY AND RETURN INFORMA TION WARRANTY Pelco will repair or replace, without charge, any merchandise proved defective in material or workmanship for a period of one year after the date of shipment. Exceptions to this warranty are as noted below: • Five years on FT/FR8000 Series fiber optic products.
W orldwide Headquarters 3500 Pelco W ay Clovis, California 93612 USA USA & Canada T el: 800/289-9100 Fax: 800/289-9150 International T el: 1-559/292-1981 Fax: 1-559/348-1120 www .
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Pelco PMCD750 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Pelco PMCD750 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Pelco PMCD750, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Pelco PMCD750 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Pelco PMCD750, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Pelco PMCD750.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Pelco PMCD750. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Pelco PMCD750 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
