3Com 8913H, 8916 Color settings are not correctly adjusted, Color Space setting is not suitable

Page 64

Troubleshooting

Phenomena that may be easy to be mistaken for machine defects (continued)

Phenomenon

Cases not involving a machine defect

Reference

page

 

 

 

 

 

Video screen

The FREEZE function is working.

20

display freezes.

Press FREEZE button to restore the screen to normal.

 

 

Color settings are not correctly adjusted.

24, 26,

Colors have a

Perform picture adjustments by changing the COLOR

faded- out

TEMP, COLOR, TINT and/or COLOR SPACE settings,

30

appearance, or

using the menu functions.

 

Color tone is

COLOR SPACE setting is not suitable.

 

poor.

Change the COLOR SPACE setting to AUTO, RGB,

30

 

SMPTE240, REC709 or REC601.

 

 

The brightness and/or contrast are adjusted to an

 

 

extremely low level.

24, 25

 

Adjust BRIGHTNESS and/or CONTRAST settings to a

 

 

Pictures appear

higher level using the menu function.

 

The WHISPER function is working.

24, 34

dark.

Select NORMAL for WHISPER item in the SETUP menu.

 

 

 

The lamp is approaching the end of its product

 

 

lifetime.

54, 55

 

Replace the lamp.

 

 

Either the focus and/or horizontal phase settings are

 

 

not properly adjusted.

17, 29

Pictures appear

Adjust the focus using the focus ring, and/or H PHASE

 

blurry.

using the menu function.

 

 

The lens is dirty or misty.

58

 

Clean the lens referring to the section “Caring for the lens”.

 

 

RS-232C does

The SAVING function is working.

34

Select NORMAL for STANDBY MODE item in the SETUP

not work.

menu.

 

 

 

NOTE • Although bright spots or dark spots may appear on the screen, this is a unique characteristic of liquid crystal displays, and it does not constitute or imply a machine defect.

64

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Contents Thank you for purchasing this projector About this manualTrademark acknowledgment Contents Contents of package Fastening the lens coverProjector Part namesHOT Control panel Rear panel &9Control port USB port Cb/Pb, Cr/Pr ports Video port Audio IN3 L,R ports 11 13 10Remote control Arrangement Setting upOn a horizontal surface Suspended from the ceiling Arrangement Connecting your devices MonitorVCR/DVD PlayerConnecting your devices About Plug-and-Play capabilityConnecting power supply Using the security bar and slotAC inlet Power cord Anti-theft chain or wire Security slot Security barAbout the remote control signal Remote controlPutting batteries Changing the frequency of remote control signal Using as a simple PC mouse & keyboardMouse right button Press Reset button Mouse left button Press Enter buttonTurning on the power Power on/offTurning off the power Adjusting the volume Selecting an input signalPress Mute button on the remote control OperatingSearching an input signal Selecting an input signal For a computer signal  For no signalAdjusting the zoom and focus Adjusting the projectors elevatorFocus ring Using the automatic adjustment feature Adjusting the position For a video signal and s-video signal  For a component video signalUsing the magnify feature Correcting the keystone distortionsFreezing the screen Temporarily blanking the screenFreeze button Blank buttonUsing the menu function ESC button Reset buttonEasy Menu Menu buttonAdvanced Menu Using the menu functionAdvanced Menu Picture Mode AspectAuto KeystoneEasy Menu Picture menu GammaPicture menu Color TempMY Memory LOAD-1, LOAD-2, LOAD-3, LOAD-4SAVE-1, SAVE-2, SAVE-3, SAVE-4 For a computer signal For no signalImage menu Over ScanPhase Auto AdjustImage menu SizeInput menu ProgressiveVideo NR Color SpaceVideo Format Input menuFrame Lock Resolution For some pictures, this function may not work wellSetup menu Standby Mode Setup menuMonitor OUT Volume Audio menuSpeaker AudioScreen menu Using the /// buttons adjusts the menu positionBlank Start UP Screen menuMyScreen Capturing error has occurred. Please try again MyScreen registration is finishedMyScreen Lock MessageSource Name TemplateAuto Search Option menuAuto on Auto OFF Option menuLamp Time MY Button ServiceMY Source Ghost Filter MessageFactory Reset KEY LockRemote Freq InformationUsing Security Features Inputting the PasswordChanging the Password SecurityUsing the MyScreen Password Function If you have forgotten your PasswordTurning on the MyScreen Password Function Setting the PasswordUsing the PIN Lock Function Turning the Password offDescription Security Registering the PIN CodeTurning Off the PIN Lock Function If you have forgotten your PIN CodeSetting the Transition Detector Password Using the Transition Detector FunctionTurning On the Transition Detector Function Setting the Transition Detector off Writing the MY Text Using the MY Text Password functionDisplaying the MY Text Description Turning on the MY Text Password Closed Caption menu DisplayMode ChannelMaintenance Replacing the lampType number 456-8755H Replacing the lamp Lamp coverLamp warning Replacing the lampCleaning and replacing the air filter Type number MU05611Cleaning and replacing the air filter Caring for the cabinet and remote control Other careInside of the projector Caring for the lensTroubleshooting Related messagesRegarding the indicator lamps Resetting all settings Shutting the projector downElectrical power cord is not plugged Signal cables are not correctly connectedSignal source does not correctly work Input changeover settings are mismatchedVolume is adjusted to an extremely low level AUDIO/SPEAKER setting is not correctMute function is working Lens cover is attachedColor settings are not correctly adjusted Color Space setting is not suitableNot properly adjusted Whisper function is workingSpecifications Specifications913H 916270 Specifications100 112 Unit mm

8755H, 8916, 8913H, 8912H specifications

3Com has long been known for its innovative networking solutions, and the 3Com 8912H, 8913H, 8916, and 8755H are prime examples of the company's commitment to high performance and versatility in networking technology. Each of these switches is engineered to meet the demanding requirements of modern network environments, providing robust functionalities designed for enterprise use.

The 3Com 8912H is a high-performance switch that offers 12 ports, allowing for efficient connectivity in medium-sized networks. One of its standout features is its support for Quality of Service (QoS), which prioritizes data traffic to enhance voice and video applications, ensuring minimal latency and jitter. Additionally, it includes advanced Layer 2 switching capabilities, enabling the management of bandwidth and improving network efficiency. Its ability to handle packet filtering and VLAN support allows for the segmentation of network traffic, enhancing both security and performance.

The 3Com 8913H extends the capabilities of the 8912H with 24 ports, making it ideal for growing organizations that require scalable networking solutions. Built with high availability in mind, the 8913H includes redundancy features that minimize downtime. It also supports Power over Ethernet (PoE), enabling the delivery of power to connected devices like IP phones and wireless access points directly through the network cable. This feature not only simplifies the installation of these devices but also enhances network management.

The 3Com 8916 is a more robust model, providing 16 ports and advanced Layer 2 and Layer 3 features. Its intelligent networking capabilities, such as static routing and dynamic management features, make it a suitable choice for larger networks. The switch supports stacking capabilities, allowing multiple units to operate as a single logical unit. This capability enhances management simplicity and scalability while providing redundancy and load balancing for even greater reliability.

Lastly, the 8755H switch stands out due to its ability to deliver high bandwidth and performance for large data center environments. It features a modular design, enabling the deployment of various interface modules to support different network requirements. This flexibility, combined with extensive manageability options, allows the 8755H to adapt to evolving network needs. Its robust security features safeguard the network against unauthorized access and attacks, making it a core component in secure enterprise architectures.

In summary, the 3Com 8912H, 8913H, 8916, and 8755H switches embody a comprehensive suite of networking features designed for efficiency, scalability, and security. They showcase 3Com's commitment to providing high-quality, reliable networking solutions that meet the diverse needs of businesses in an ever-evolving digital landscape.
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