3Com 8755H, 8913H, 8916, 8912H Correcting the keystone distortions, Using the magnify feature

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KEYSTONE MY BUTTON MUTE
1 2

Operating

Correcting the keystone distortions

KEYSTONE button

 

MAGNIFY FREEZE

PAGE

VOLUME

Press KEYSTONE button on the remote

ON

UP

 

DOWN

 

1. control. A dialog will appear on the screen to

KEYSTONE MY BUTTON

MUTE

aid you in correcting the distortion.

OFF

 

 

1

2

 

2. Use the ▲/▼ cursor buttons to select AUTO or MANUAL operation, and press the ► button to perform the following.

(1)AUTO executes automatic vertical keystone correction.

(2)MANUAL displays a dialog for keystone correction. Use the ▲/▼ buttons for adjustment.

To close the dialog and complete this operation, press KEYSTONE button again. Even if you do not do anything, the dialog will automatically disappear after a few seconds.

●The adjustable range of this correction will vary among inputs. For some input, this function may not work well.

●When V:INVERT or H&V:INVERT is selected to the MIRROR item in the SETUP menu, if the projector screen is inclined or angled downward, this function may not work correctly.

●When the zoom adjustment is set to the TELE (telephoto focus), the automatic keystone distortion correction may be excessive. This function should be used when the zoom adjustment is set to the full WIDE (wide-angle focus) whenever possible.

●When the projector is placed on the level (about ±3°), the automatic keystone distortion correction may not work.

●When the projector is inclined to near ±30 degree or over, this function may not work well.

●This function will be unavailable when Transition Detector is on (49).

Using the magnify feature

MAGNIFY

 

Press the ON button of MAGNIFY on the remote control.

ON/OFF button

 

 

1. The “MAGNIFY” indication will appear on the screen and the

MY SOURCE/

 

VIDEO COMPUTER DOC.CAMERA

 

projector will go into the MAGNIFY mode. When the ON button of

ASPECT AUTO SEARCH

BLANK

MAGNIFY is pressed first after the projector is started, the picture

MAGNIFY FREEZE PAGE

VOLUME

 

UP

 

will be zoomed twice. The indication will disappear in several

ON

 

seconds with no operation.

DOWN

 

OFF

2. Use the ▲/▼ cursor buttons to adjust the zoom level. The picture of video, s-video or component video signal can be zoomed in up to 2 times, and the one of computer signal can be zoomed in up to 4 times.

To move the zoom area, press the POSITION button in the MAGNIFY mode, then use the ▲/▼/◄/► cursor buttons to move the area. And to finalize the zoom area, press the POSITION button again.

To exit from the MAGNIFY mode and restore the screen to normal, press the OFF button of MAGNIFY on the remote control.

●The projector automatically exits from the MAGNIFY mode when the input signal is changed or when the display condition is changed.

●In the MAGNIFY mode, the keystone distortion condition may vary, it will be restored when the projector exits from the MAGNIFY mode.

NOTE • The zoom level can be finely adjusted. Closely watch the screen to find the level you want.

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Contents Thank you for purchasing this projector About this manualTrademark acknowledgment Contents Fastening the lens cover Contents of packageProjector Part namesHOT Cb/Pb, Cr/Pr ports Video port Audio IN3 L,R ports 11 13 10 Control panelRear panel &9 Control port USB portRemote control Arrangement Setting upOn a horizontal surface Suspended from the ceiling Arrangement Player Connecting your devicesMonitor VCR/DVDAbout Plug-and-Play capability Connecting your devicesAnti-theft chain or wire Security slot Security bar Connecting power supplyUsing the security bar and slot AC inlet Power cordAbout the remote control signal Remote controlPutting batteries Mouse left button Press Enter button Changing the frequency of remote control signalUsing as a simple PC mouse & keyboard Mouse right button Press Reset buttonTurning on the power Power on/offTurning off the power Operating Adjusting the volumeSelecting an input signal Press Mute button on the remote control For no signal Searching an input signalSelecting an input signal  For a computer signalAdjusting the zoom and focus Adjusting the projectors elevatorFocus ring  For a component video signal Using the automatic adjustment featureAdjusting the position  For a video signal and s-video signalCorrecting the keystone distortions Using the magnify featureBlank button Freezing the screenTemporarily blanking the screen Freeze buttonMenu button Using the menu functionESC button Reset button Easy MenuAdvanced Menu Using the menu functionAdvanced Menu Keystone Picture ModeAspect AutoEasy Menu Gamma Picture menuColor Temp Picture menuMY Memory LOAD-1, LOAD-2, LOAD-3, LOAD-4SAVE-1, SAVE-2, SAVE-3, SAVE-4 Over Scan For a computer signalFor no signal Image menuSize PhaseAuto Adjust Image menuColor Space Input menuProgressive Video NRVideo Format Input menuFrame Lock For some pictures, this function may not work well ResolutionSetup menu Standby Mode Setup menuMonitor OUT Audio VolumeAudio menu SpeakerScreen menu Using the /// buttons adjusts the menu positionBlank Start UP Screen menuMyScreen Message Capturing error has occurred. Please try againMyScreen registration is finished MyScreen LockTemplate Source NameAuto Search Option menuAuto on Auto OFF Option menuLamp Time MY Button ServiceMY Source Filter Message GhostInformation Factory ResetKEY Lock Remote FreqSecurity Using Security FeaturesInputting the Password Changing the PasswordSetting the Password Using the MyScreen Password FunctionIf you have forgotten your Password Turning on the MyScreen Password FunctionRegistering the PIN Code Using the PIN Lock FunctionTurning the Password off Description SecurityIf you have forgotten your PIN Code Turning Off the PIN Lock FunctionSetting 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 Channel Closed Caption menuDisplay ModeLamp cover MaintenanceReplacing the lamp Type number 456-8755H Replacing the lampReplacing the lamp Lamp warningType number MU05611 Cleaning and replacing the air filterCleaning and replacing the air filter Caring for the lens Caring for the cabinet and remote controlOther care Inside of the projectorRelated messages TroubleshootingRegarding the indicator lamps Shutting the projector down Resetting all settingsInput changeover settings are mismatched Electrical power cord is not pluggedSignal cables are not correctly connected Signal source does not correctly workLens cover is attached Volume is adjusted to an extremely low levelAUDIO/SPEAKER setting is not correct Mute function is workingWhisper function is working Color settings are not correctly adjustedColor Space setting is not suitable Not properly adjusted916 SpecificationsSpecifications 913H270 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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