Contents

Contents

 

 

 

About this manual

.

. 1

PICTURE menu. . . . . . . . . . . . . 25

Contents. . . . . . . . . . . . . . . . . . . 2

Brightness, Contrast, Gamma,

 

Projector features. . . . . . . . . . . 3

Color temp, Color, Tint, Sharpness,

 

Preparations. . . . . . . . . . . . . . . . 3

My memory

 

IMAGE menu. . . . . . . . . . . . . . . 28

Contents of package

.

3

Fastening the lens cover

 

. 3

Aspect, Over scan, V position,

 

 

H position, H phase, H size,

 

Part names. . . . . . . . . . . . . . . . . 4

 

Auto adjust execute

 

Projector. . . . . . . . . . . . 4

 

INPUT menu . . . . . . . . . . . . . . . 30

Control panel

.

5

Progressive, Video nr, Color space,

 

Rear panel

 

. 5

 

 

Component, Video format, Frame lock,

Remote control

.

6

Computer in, Resolution

 

Setting up. . . . . . . . . . . . . . . . . . 7

 

SETUP menu.. . . . . . . . . . . . . . 33

Arrangement. . . . . . . . . . 7

Auto keystone Execute,

 

Connecting your devices

 

. 9

Keystone , Whisper, Mirror,

 

Connecting power supply. . . .

. 11

Standby mode, Monitor out

 

Using the security bar and slot. .

. 11

AUDIO menu. . . . . . . . . . . . . . . 35

Remote control.. . . . . . . . . . . . 12

Volume, Speaker, Audio

 

Putting batteries

 

12

SCREEN menu.. . . . . . . . . . . . . 36

About the remote control signal . .

 

12

Language, Menu position, Blank,

 

Changing the frequency of remote control signal. . 13

Start up, MyScreen, MyScreen Lock,

 

Using as a simple PC mouse & keyboard. . 13

Message, Source name, Template

 

Power on/off . . . . . . . . . . . . . . . 14

OPTION menu. . . . . . . . . . . . . . 40

Turning on the power

 

14

Auto search, Auto keystone ,

 

Turning off the power

 

14

Auto on, Auto off, Lamp time,

 

Operating . . . . . . . . . . . . . . . . . 15

Filter time, My button,

 

Adjusting the volume

. 15

My source, Service, Security

 

Temporarily muting the sound. . .

 

15

C..C.. (closed caption) menu . . . 53

Selecting an input signal

 

15

Display, Mode, Channel

 

Searching an input signal. . . .

. 16

Maintenance.. . . . . . . . . . . . . . 54

Selecting an aspect ratio

 

16

Replacing the lamp

54

Adjusting the projector's elevator.

. 17

Cleaning and replacing the air filter. . 56

Adjusting the zoom and focus. . .

 

17

Other care. . . . . . . . . . . 58

Using the automatic adjustment feature. .

 

18

Troubleshooting . . . . . . . . . . . . 59

Adjusting the position

 

18

Related messages

59

Correcting the keystone distortions.

. 19

Regarding the indicator lamps . .

. 60

Using the magnify feature. . . .

. 19

Shutting the projector down . . .

. 61

Freezing the screen

. 20

Resetting all settings

. 61

Temporarily blanking the screen. .

 

20

Phenomena that may be easy

 

Using the menu function . . . .

. 21

to be mistaken for machine defects. . 62

EASY MENU

.. 23

Specifications.. . . . . . . . . . . . . 65

Aspect, Auto keystone Execute,

Keystone , Picture mode, Brightness,

Contrast, Color, Tint, Sharpness,

Whisper, Mirror, Reset, Filter time,

Language, Go to Advanced Menu...



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3Com 8912H, 8913H, 8916, 8755H user manual Contents

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.