The documentation set for this product strives to use bias-free language. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Learn more about how Cisco is using Inclusive Language.
Revised: May 4, 2015
OL-15762-05
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We prepared this material with specific expectations of you. You manage and operate presentation systems that are connected to remote DMP endpoints. |
A DMP transmits signals to a public presentation system that you choose, such as a flat-panel display or projector that is connected to the DMP.
– With most modern, digital presentation systems, you can use an HDMI cable for both video and audio. Other such systems — including the 40-inch and 52-inch models in our LCD Professional Series — might not connect until you combine the HDMI cable with an HDMI-to-DVI adapter for video. However, DVI does not support the transmission of audio signals. In this case, you can use the provided audio cable for audio.
– When you use a Cisco-branded LCD display, a feature of Cisco Digital Signs software can detect automatically when your display is turned On or Off. To connect one of these models to your DMP, you must use an RS-232 serial cable in addition to the video signal cable.
Our centralized management features help you to manage a global IP network of digital signs for any purpose — in conference rooms, public venues, or executive offices.
We certify that DMPs work as designed with Cisco LCD flat-screen displays. All displays in this series are engineered for intensive use in public settings. See their technical documentation (CSCti35199) at http://cisco.com/en/US/products/ps10099/tsd_products_support_series_home.html.
In most cases, DMPs can use displays that comply with modern, international standards. We recommend the following if you must use a third-party display.
Special considerations apply when you obtain a signal cable that is longer or of a different type than cables that we included in your product kit. For DMP models that support the following signal cable types, the maximum supported lengths are:
Note ● When image signals are transmitted through a composite cable, image quality suffers. When you use a composite cable and your DMP shows any web-based media, small text might be difficult to read in TVzilla (the web browser that runs on some DMP models). To work around this limitation, you can lower the browser resolution setting in DMPDM.
The best signal cables objectively are those with the lowest signal resistance. Factors that affect signal resistance include wire gauge, cable shielding quality, and cable connector quality. However, the same materials and engineering designs that reduce signal resistance add to the cost of manufacturing. This added cost is passed along to a consumer. So, it is useful to understand when signal resistance is not relevant. Knowing this can help you to manage and reduce expenses without necessarily lowering your standards. High cost is not inevitable. Nor is it proof of high quality. Sometimes, in fact, high quality (low signal resistance) is irrelevant.
Even mediocre signal cables are sometimes sufficient, and such cables are often very affordable. Figure 15-1 illustrates the most important factors to consider when you choose signal cables.
Figure 15-1 Signal Cable Purchasing Factors to Consider
Beyond the general guidelines that Figure 15-1 illustrates, two additional factors might constrain which types of signal cable you can use.
After any LCD panel shows a fixed pattern for more than 12 hours, slight voltage differences can develop among electrodes that power the liquid crystals. Therefore, after you show a fixed image for an extended period of time, it might become blurred or might leave a residual image on an LCD display. This occurs when charged liquid crystal becomes “stuck” in one position.
Nonetheless, image retention should not occur when you follow our recommended best practices.
Timesaver Is your display a touchscreen? If so, this topic is not for you. Instead, see the “Connect to a Touchscreen” section.
HDMI and DVI differ in their support for audio signals and use connectors that are shaped differently, but otherwise are identical. Thus, an adapter can help you to connect to your DMP any presentation system that supports DVI but not HDMI. When you do this, however, you must also use a separate, additional signal cable to transmit audio signals, or playback will be silent.
Tip Is playback silent even though your signal cable type is HDMI? If so, make sure that your DMP has attributed an authentically HDMI-standard resolution value — such as “HDMI_1080p60” — to your presentation system (CSCsk29797). The HDMI standard does not support audio playback through any system whose settings ignore or contradict HDMI standards. Thus, you cannot use HDMI to play audio through a presentation system whose resolution setting is, for example, “VESA_1360x768x60.”
Step 1 Do only one of the following.
Step 2 If the presentation system is not already turned on, turn it On now.
Step 3 Stop. You have completed this procedure.
Tip Some touchscreens work as designed only after they are calibrated manually. If your touchscreen is one of these, its calibration occurs during a later stage of DMP setup. The list of related topics for this procedure states where you can learn about calibration.
DMP connections to a touchscreen are mostly the same as for other digital displays. However, touchscreens employ a special cable that supports interactivity through touch. This might be either an RS-232 serial cable or a USB cable, depending on the touchscreen model. Although some models support both cable types for interactivity, you can use only one type at a time.
Step 1 Do only one of the following.
Step 2 Do only one of the following.
Step 3 Turn On the touchscreen.
Tip Does a message on the touchscreen say that it must download a “characterization” file? This happens only when your touchscreen uses technologies from Elo TouchSystems and when you have never turned it On previously (or after its CF card is reformatted). When you see this message, please disregard it. The touchscreen will obtain its characterization file automatically during a later stage of DMP setup.
Step 4 Stop. You have completed this procedure.
Tip DMPs support connections to analog presentation systems. However, we recommend strongly that you use digital presentation systems whenever possible.
Step 1 Make connections for video.
a. Plug one yellow jack from the RCA video cable into the CVBS interface on the back panel of your DMP.
b. Connect the free end of this cable to the corresponding interface on your presentation system.
Step 2 Make connections for audio.
a. Plug the 3mm jack on the RCA audio cable into the AUDIO interface on the back panel of your DMP.
b. Connect the free end of this cable to the corresponding interface on your presentation system.
Step 3 If the presentation system is not already turned on, turn it On now.
Step 4 Stop. You have completed this procedure.
No international agency exists to tell all of the world’s video equipment manufacturers which commands and methods (such as RS-232) a presentation system must support. Likewise, no global authority exists to state exactly which hexadecimal string — if any — must invoke a particular command.
So when manufacturers implement RS-232 commands, they do so as they see fit. Thus, RS-232 command syntax differs among manufacturers and sometimes differs even among equipment models that share a manufacturer in common.
Tip Check the manufacturer’s product documentation for your LCD display to learn about its RS-232 support and syntax.
So, how is RS-232 useful to me?
Your digital signs run in the real world because your organization expects to tell someone something. But when you, the administrator, are half a world away from a sign, or even just a few buildings away, how can you be absolutely sure that your sign is doing anything — let alone everything — correctly?
Meanwhile, how can you recognize and fix any such misconfiguration from miles away? Situations like these are perfect for RS-232, whose technology passes properly constructed “command-and-control” instructions through a DMP and into its attached presentation system.
A case in point: Cisco Digital Signs software can tell you automatically and in real-time which of your centrally managed Cisco LCD displays are turned On or Off. You can learn at a glance when one (or more) of these remote units is in the wrong power state, and then issue a simple command to correct the mistake. But even so, your ability to turn remote equipment On or Off so easily through the Internet is just one benefit of feeding RS-232 commands through a DMP to its attached LCD display.
This section includes these topics.
Note This material pertains to multiple Cisco LCD display models.
Individual Cisco LCD display models each support dozens of RS-232 commands, covering the range of their configurable features.
This topic explains various steps that you must complete before a Cisco LCD display supports RS-232 signaling for centralized management.
Step 1 Click Network and Endpoints.
Step 2 Choose Digital Media Players > DMP Manager.
Step 3 Use one of these methods, at your discretion, to limit the scope of what the DMP List table shows to you.
Step 4 Click one DMP in the table to choose it exclusively.
Use check boxes to choose multiple DMPs whose attached presentation systems are all identical.
Step 5 Click Run Task, above the DMP List table.
Step 6 Click RS-232: Control supported, non-DMTech displays in the System Tasks drawer.
A message confirms that DMM received your submission.
Step 8 Choose Digital Media Players > Advanced Tasks > DMP Polling Status Control.
Step 9 Click Add New Application.
a. Choose your Cisco Professional Series LCD display model from the TV Type list.
Note This variation of our standard TV Type list includes Cisco models exclusively. These are the only presentation system models whose electrical power On/Off state this Cisco DMS release can poll in real-time.
ALSO: Is your Cisco LCD display the 32-inch model? If so, see the “Do you use our 32-inch LCD display?“ section, elsewhere in this procedure. It might be necessary for you to disable a feature that all other users enable.
b. Choose On from the Polling list, and then click Submit.
We generate a concise name for this application automatically. We are able to do this because your selections have already defined the purpose and scope of your new polling control application. Its generated name is always one of these:
After we show the name to you, your new polling control application is ready for use.
Step 10 Click Run Task, again.
Step 11 Click DMP Polling Status Control in the Advanced Tasks drawer.
Step 12 Click the same “ =on ” application that you saved for your Cisco LCD model, and then click OK.
A message confirms that DMM received your submission.
Note As many as 5 minutes might pass before the LCD Status column updates its value to show the real-time power state of your Cisco LCD display. Ultimately, this value will say either “Display On” or “Display Off.” Until then, however, it will say “Not Set.”
Please check the next step in this procedure, however, to learn if another step is necessary here to configure your LCD Professional Series model.
Step 13 Compensate, as needed, for model-specific exceptions to basic RS-232 setup.
Factory-default settings for this equipment save power by turning Off most of its support for remote management and polling. Almost any attempt to use such features can fail while the energy-saving settings remain in effect.1 So, before you can reliably manage or poll this equipment from Cisco DMS, YOU2 MUST explicitly prepare the RS-232 service for use. Later, at your discretion, you can either turn Off3 this support or leave it turned On4 continuously. a. Press Menu on the handheld remote control unit. Your LCD display shows its OSD menu. b. Use buttons on the remote control to choose Option > Set > Set ID, and then change the Set ID value (from “Off”) to 1. |
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You can use our Digital Signs software to transmit instruction codes through your DMPs, and into their attached presentation systems.
Note We do not maintain or control the RS-232 commands for any third-party equipment. Please check the manufacturer documentation for your non-Cisco presentation systems to learn which RS-232 strings are engineered to manage them.
Step 1 Click Network and Endpoints.
Step 2 Choose Digital Media Players > DMP Manager.
Step 3 Use one of these methods, at your discretion, to limit the scope of what the DMP List table shows to you.
Step 4 Click one DMP in the table to choose it exclusively.
Use check boxes to choose multiple DMPs whose attached presentation systems are all identical.
Step 5 Click Run Task, above the DMP List table.
Step 6 Click RS-232: Control DMTech Displays in the System Tasks drawer.
A message loads under the DMP Manager tab, confirming that DMM received your submission.
Step 8 Stop. You have completed this procedure.
You can use our Digital Signs software to transmit instruction codes through your DMPs, and into their attached presentation systems.
Note We do not maintain or control the RS-232 commands for any third-party equipment. Please check the manufacturer documentation for your non-Cisco presentation systems to learn which RS-232 strings are engineered to manage them.
Step 1 Click Network and Endpoints.
Step 2 Choose Digital Media Players > DMP Manager.
Step 3 Use one of these methods, at your discretion, to limit the scope of what the DMP List table shows to you.
Step 4 Click one DMP in the table to choose it exclusively.
Use check boxes to choose multiple DMPs whose attached presentation systems are all identical.
Step 5 Click Run Task, above the DMP List table.
Step 6 Click RS-232: Control supported, non-DMTech displays in the System Tasks drawer.
A message loads under the DMP Manager tab, confirming that DMM received your submission.
Step 8 Stop. You have completed this procedure.
You can add and edit RS-232 commands that operate LCD displays or other presentation system types.
Step 1 Click Network and Endpoints.
Step 2 Choose Digital Media Players > Advanced Tasks.
Step 3 Click System Tasks in the Application Types list.
Step 4 Do one of the following.
For example, the hexadecimal strings in Table 15-1 convey many of the RS-232 commands that you can send in this way to a Cisco LCD Professional Series display.
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Power |
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Input Source |
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Mute |
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Volume |
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Brightness |
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Contrast |
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Sharpness |
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Colorfulness 5 (Saturation) |
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Tint |
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Remote Control Lock 6 |
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Panel Lock 7 |
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Safety Lock 8 |
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Step 5 Set other, optional values as needed.
Step 6 Click Submit to save your work, so that you might someday use it.
OR
Click Cancel to discard your work.
Step 7 Stop. You have completed this procedure.
You can delete any of your named and saved RS-232 command strings.
Step 1 Click Network and Endpoints.
Step 2 Choose Digital Media Players > Advanced Tasks.
Step 3 Click System Tasks in the Application Types list.
Step 4 Find your editing target in the Applications table.
Step 5 Click its named row in the Applications table.
Step 6 Click Delete Application.
Step 7 Click Submit to commit this deletion.
OR
Click Cancel to abandon this deletion.
Step 8 Stop. You have completed this procedure.
Note Only our 40-inch and 52-inch LCD display models support DVI connections.
When you use an HDMI cable or a DVI cable to connect your DMP to a 40- or 52-inch Cisco LCD display, you can use Digital Signs to centrally manage the LCD display.
When unmodified HDMI is the connection type from a DMP to either of these display models, centralized management from DMM works immediately, without any prerequisites. However, when you combine HDMI with a DVI adapter, you must complete a simple task at the physical installation site for your display before you can start to centrally manage it.
Step 1 Press Menu on the remote control for your 40-inch or 52-inch LCD display.
OR
Press Menu on the LCD display front panel.
Step 2 Choose Input > Source List > DVI, and then press Enter.
Step 3 Choose Input > Edit Name > DVI > HD STB, and then press Enter.
Step 4 Stop. You have completed this procedure.
Step 1 Deploy the System Task event called HDMI Display Autotection On.
OR
Deploy the System Task event called HDMI Display Autodetection Off.
Step 2 Stop. You have completed this procedure.
Note Enabling HDMI autodetection with unsupported displays will cause high CPU on the DMP. From the GUI, you will see autodetection failed. You need to manually configure the properties of the unsupported display.
Step 1 Deploy the System Task event called Screen Resolution Autotection On.
OR
Deploy the System Task event called Screen Resolution Autodetection Off.
Step 2 Stop. You have completed this procedure.
You can configure the audio and video signals that DMPs send to their attached presentation systems.
Step 1 Click Network and Endpoints.
Step 2 Choose Digital Media Players > Advanced Tasks.
Step 3 Click DMP Audio/Video Settings in the Application Types list.
Step 4 Do one of the following.
The page is refreshed so that you can choose options and enter values. For example, the name might identify a locale where the lighting is dim, for which you must adjust the brightness. c. Set values for brightness, contrast, and saturation. d. Set values for the Left and Right audio channels. e. Set any other, optional values as needed. f. Proceed to Step 5. |
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a. Find your editing target in the Applications table. a. Click its named row in the Applications table. The page is refreshed so that you can choose options and enter values. c. As needed: d. Proceed to Step 5. |
Step 5 Click Submit to save your work, so that you might someday use it.
OR
Click Cancel to discard your work.
Step 6 Stop. You have completed this procedure.
You can delete any of your named and saved settings for DMP audio and video output.
Step 1 Click Network and Endpoints.
Step 2 Choose Digital Media Players > Advanced Tasks.
Step 3 Click DMP Audio/Video Settings in the Application Types list.
Step 4 Find your deletion target in the Applications table.
Step 5 Click its named row in the Applications table.
Step 6 Click Delete Application.
Step 7 Click Submit to commit this deletion.
OR
Click Cancel to abandon this deletion.
Step 8 Stop. You have completed this procedure.
You can define and save a customized bundle of device configuration settings for certain popular presentation system models. We provide this option for models that pass our tests for DMP compatibility.
Step 1 Do one of the following.
a. Click Network and Endpoints. b. Choose Digital Media Players > DMP Manager. c. Choose an option from the Filter list to restrict which DMPs the table describes. d. Click a DMP in the table to choose it. e. Click Control TV, above the DMP List table. f. Proceed to Step 2. |
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a. Click Network and Endpoints. b. Choose Digital Media Players > Advanced Tasks. c. Click DMP Display Controls in the Application Types list. The page is refreshed so that you can choose options and enter values. e. Proceed to Step 2. |
Step 2 Choose your display’s make and model from the TV Type list.
Note We provide preconfigured tasks for only the presentation system models that pass our tests for DMP compatibility.
Step 3 Enter a name for the bundle of device configuration settings that you are about to define.
Step 4 Set values for video attributes.
Step 5 Set values for audio attributes.
Step 6 Set other, optional values as needed.
Step 7 Click Submit to save your work, so that you might someday use it.
OR
Click Cancel to discard your work.
Step 8 Stop. You have completed this procedure.
You can edit any of your named and saved RS-232 command string bundles.
Step 1 Click Network and Endpoints.
Step 2 Choose Digital Media Players > Advanced Tasks.
Step 3 Click DMP Display Controls in the Application Types list.
Step 4 Find your editing target in the Applications table.
Step 5 Click its named row in the Applications table.
Step 6 Click Edit Application.
The page is refreshed so that you can choose options and enter values.
Step 8 Click Submit to save your work, so that you might someday use it.
OR
Click Cancel to discard your work.
Step 9 Stop. You have completed this procedure.
You can delete any of your named and saved RS-232 command strings.
Step 1 Click Network and Endpoints.
Step 2 Choose Digital Media Players > Advanced Tasks.
Step 3 Click DMP Display Controls in the Application Types list.
Step 4 Find your deletion target in the Applications table.
Step 5 Click its named row in the Applications table.
Step 6 Click Delete Application.
Step 7 Click Submit to commit this deletion.
OR
Click Cancel to abandon this deletion.
Step 8 Stop. You have completed this procedure.
Table 2 describes the connectors, sensors, and buttons on each DMP model.
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Electrical Power Connectors |
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PoE9 |
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Network Connectors |
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Wired10 |
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Gigabit Ethernet11 |
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Wireless12 |
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Debugging (for Cisco use only) |
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Media Signal Connectors |
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Wired13 |
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HDMI 1.314 |
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Component15 |
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016 |
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3.5mm jack17 |
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Infrared |
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Sensor for remote control19 |
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Serial (Comm Port) Connectors |
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USB 2.020 |
2 21 |
2 13 |
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Human |
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9.IEEE 802.3af interface with integrated switching regulator. 10.Category 5 or better. Maximum length: 328 ft (100 m). For any distance greater than 165 ft (50 m), we recommend that you use Category 5e or Category 6 certified Ethernet cabling. For installation behind walls, we recommend plenum-rated cabling unless it does not satisfy the requirements set forth in your regional building code. We do not ship any Ethernet cable with any DMP model. You must obtain this cable separately. 13.For maximum supported media signal cable lengths, see the “Understand How to Choose Media Signal Cables” section. Each video and audio signal cable that we ship with DMPs is 6 ft (approximately 1.83 m) long. 15.Use an S-Video signal cable with a YPbPr-to-S-Video adapter to transmit and receive YPbPr data signals. 16.Although there is no Composite CVBS connector on a DMP 4310G, its YPbPr/S-Video connector supports Composite CVBS when you use an S-Video-to-Composite adapter. 17.Stereo audio output, irrespective of the cable type for video output. 18.Your DMP remote control (sold separately) cannot mute audio output from the SPDIF interface. 19.Maximum distance from remote control to DMP is 15 ft (5 m). The IR sensor’s signal coverage range extends from 45° left to 45° right. 21.The expected use is one USB connection for a touchscreen and the other for an external data storage device. |
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Compatible |
Compatible |
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Network and Endpoints > Digital Media Players > Advanced Tasks > DMP Audio/Video Settings
Network and Endpoints > Digital Media Players > Advanced Tasks > System Tasks > HDMI Display Autodetection...
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Network and Endpoints > Digital Media Players > Advanced Tasks > System Tasks > Screen Resolution Autodetection...
Tip Before you pass RS-232 commands through your DMPs and to your DMP displays, first confirm that each DMP is connected to its display by a signal cable that supports RS-232 signals. Otherwise, your displays will never receive the commands that you define for them.
Network and Endpoints > Digital Media Players > Advanced Tasks > System Tasks > RS-232: Control Supported, Non-DMTech Displays
Tip Before you pass RS-232 commands through your DMPs and to your DMP displays, first confirm that each DMP is connected to its display by a signal cable that supports RS-232 signals. Otherwise, your displays will never receive the commands that you define for them.
Network and Endpoints > Digital Media Players > Advanced Tasks > System Tasks > RS-232: Control DMTech Displays
Q. How should I clean and maintain a Professional Series display?
For cleaning and maintenance guidelines, see the Safety Instructions section called “Cleaning the Display, Its Plug, and Its Outlet Safely” in User Guide for Cisco LCD Professional Series Displays on Cisco.com.
Q. How long does display autodetection take?
Autodetection takes less than 8 seconds in most cases and less than 2 seconds in some cases.
Q. Why might display autodetection fail?
The display autodetection feature fails unless you use an HDMI signal cable (with or without a DVI adapter) to connect a presentation system to your DMP.
Q. Why does my DMP 4400G run very slowly while its RS-232 features are enabled?
The likeliest explanation is that your signal cable is faulty. Try substituting the equivalent cable from a DMP that operates as expected when RS-232 features are enabled. If doing this has no effect, restore your DMP to its factory-default settings and then configure it once more to support RS-232.
Q. What should I do when a message states that my touchscreen must download a characterization file?
Do not disturb or interrupt the automated process. It occurs only once, and takes approximately 10 minutes to finish. When it is finished, your touchscreen will clear the message automatically.
Q. When is it necessary to repeat the calibration of a touchscreen?
You must repeat this calibration whenever you:
Q. What can cause a properly calibrated touchscreen to operate as if it is not calibrated?
If this happens to you, unplug the serial cable (or USB cable) that connects this touchscreen to your DMP. Then, plug that cable back in again.
Q. Why are some pixels unexpectedly bright, or black?
Cisco LCD displays use advanced semiconductor technology with extremely high precision. Nonetheless, the red, green, blue and white pixels might seem unexpectedly bright sometimes, or you might notice some black pixels. This is not the result of low quality or a malfunction and you can continue to use your display without incident.
Problem The screen is blank AND the power indicator is off.
Solution Ensure that the power cord is firmly connected and the display is turned on.
Problem The power indicator blinks.
Solution Wait for less than 1 minute. The display is saving changes made to its settings.
Problem A message states, “Check Signal Cable.”
Problem The image rolls vertically.
Solution Make sure that the signal cable is securely connected.
Problem The image is intermittently black (CSCtw78742; CSCts83613).
Solution Avoid incompatible combinations.
Solution Try these possible workarounds.
• Run Frequency Coarse and Fine tuning.
• Turn Off the display, remove its accessories and signal cables, and then turn it On again.
• Set the resolution and frequency to the recommended ranges.
Problem The image is too light OR too dark.
Solution Adjust the brightness and contrast.
Problem Colors are not consistent, OR shadows are too dark, OR white areas are too white.
Problem Sound is too quiet OR is not audible.
Solution Check the volume level.
Problem Buttons do not respond.
• Battery polarities (+/-).
• If batteries have lost their charge.
• If the power is turned On.
• If the power cord is connected securely.
• If a fluorescent or neon lamp is turned On nearby.
Note When you use Digital Signs to lock your remote control and the front panel controls for your display, the remote control cannot unlock them. Instead, you must switch the Safety Lock, Remote Control Lock, and Panel Lock toggles all to Off in Digital Signs.
Note When you use Digital Signs to lock your remote control, the remote control cannot unlock itself. Instead, you must switch the Safety Lock and Remote Control Lock toggles both to Off in Digital Signs.
Step 1 Turn Off your display and turn Off every device connected to it.
Step 2 Disconnect all devices from your display.
The self-test runs immediately.
Step 4 Stop. You have completed this procedure.