3Com 8755H, 8913H, 8916, 8912H Operating, Adjusting the volume, Temporarily muting the sound

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Operating

Operating

Adjusting the volume

VOLUME +/- button

1. Use the VOLUME +/VOLUME - buttons to adjust the volume.

A dialog will appear on the screen to aid you in adjusting the volume. If you do not do anything, the dialog will automatically disappear after a few seconds.

●When is selected for current picture input port, the volume adjustment is disabled. Please see AUDIO item of AUDIO menu (35).

●When the projector is in the standby mode, the volume can be adjusted if is not selected for the AUDIO OUT STANDBY of AUDIO (35).

MY SOURCE/

VIDEO COMPUTER DOC.CAMERA

ASPECT AUTO SEARCH BLANK

MAGNIFY

FREEZE

PAGE

 

VOLUME

ON

 

UP

 

 

 

 

 

OFF

 

DOWN

 

 

 

 

 

KEYSTONE

MY BUTTON

2

MUTE

 

1

 

 

POSITION

 

 

 

MENU

Temporarily muting the sound

1.

Press MUTE button on the remote control.

MUTE button

A dialog will appear on the screen indicating that you have muted the sound.

 

 

To restore the sound, press the MUTE, VOLUME + or VOLUME - button. Even if

MY SOURCE/

 

you do not do anything, the dialog will automatically disappear after a few seconds.

VIDEO COMPUTER DOC.CAMERA

ASPECT AUTO SEARCH BLANK

●When is selected for current picture input port, the sound is always muted. Please see AUDIO item of AUDIO menu (35).

●When is selected to VIDEO (NTSC), S-VIDEO (NTSC) or COMPONENT (525i (480i)) port, the C.C. (Closed Caption) is automatically activated if the C.C. is set to AUTO in the DISPLAY of the C.C. menu and the input signal from the port supports the C.C. feature (53).

MAGNIFY

FREEZE

PAGE

 

VOLUME

ON

 

UP

 

 

 

 

 

OFF

 

DOWN

 

 

 

 

 

KEYSTONE

MY BUTTON

2

MUTE

 

1

 

 

POSITION

 

 

 

MENU

Selecting an input signal

INPUT button

1. Press INPUT button on the projector.

Each time you press the button, the projector switches its input port from the current port as below.

COMPUTER IN VIDEO S-VIDEO

1 COMPUTER IN 2 COMPONENT (Y, Cb/Pb, Cr/Pr)

● While TURN ON is selected for AUTO SEARCH item in OPTION menu (40), the projector will keep checking the ports in above order repeatedly till an input signal is detected.

1.

Press COMPUTER button on the remote control.

COMPUTER button

Each time you press the button, the projector switches its input

 

 

port from the current port as below.

 

COMPUTER IN 1 COMPUTER IN 2

●While TURN ON is selected for AUTO SEARCH item in OPTION menu, the projector will keep checking every port sequentially till an input signal is detected (40). If COMPUTER button is pushed when VIDEO, S-VIDEO or COMPONENT port is selected, the projector will check COMPUTER IN1 port first.

(continued on next page)

MY SOURCE/

VIDEO COMPUTER DOC.CAMERA

ASPECT AUTO SEARCH BLANK

MAGNIFY

FREEZE

PAGE

 

VOLUME

ON

 

UP

 

 

 

 

 

OFF

 

DOWN

 

 

 

 

 

KEYSTONE

MY BUTTON

2

MUTE

 

1

 

 

POSITION

 

 

 

MENU

15

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Contents About this manual Thank you for purchasing this projectorTrademark acknowledgment Contents Fastening the lens cover Contents of packagePart names ProjectorHOT Cb/Pb, Cr/Pr ports Video port Audio IN3 L,R ports 11 13 10 Control panelRear panel &9 Control port USB portRemote control Setting up ArrangementOn 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 cordRemote control About the remote control signalPutting 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 buttonPower on/off Turning on the powerTurning 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 projectors elevator Adjusting the zoom and focusFocus 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 MenuUsing the menu function Advanced MenuAdvanced Menu Keystone Picture ModeAspect AutoEasy Menu Gamma Picture menuColor Temp Picture menuLOAD-1, LOAD-2, LOAD-3, LOAD-4 MY MemorySAVE-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 NRInput menu Video FormatFrame Lock For some pictures, this function may not work well ResolutionSetup menu Setup menu Standby ModeMonitor OUT Audio VolumeAudio menu SpeakerUsing the /// buttons adjusts the menu position Screen menuBlank Screen menu Start UPMyScreen Message Capturing error has occurred. Please try againMyScreen registration is finished MyScreen LockTemplate Source NameOption menu Auto SearchAuto on Option menu Auto OFFLamp Time Service MY ButtonMY 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 FunctionUsing the Transition Detector Function Setting the Transition Detector PasswordTurning On the Transition Detector Function Setting the Transition Detector off Using the MY Text Password function Writing the MY TextDisplaying 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 913HSpecifications 270100 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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