Operating in a high altitude environment

We recommend you use the High Altitude Mode when your environment is between 1500 m –3000 m above sea level, and temperature is between 0°C–35°C.

Do not use the High Altitude Mode if your altitude is between 0 m and 1500 m and temperature is between 0°C and 35°C. The projector will be over cooled, if you turn the mode on under such a condition.

To activate the High Altitude Mode:

WARNING

1.

Press Menu/Exit and then press / until

We recommend you use the High

 

the SYSTEM SETUP: Advanced menu is

Altitude Mode by selecting it whenever

 

your environment is higher than 1500

 

highlighted.

m.

 

Do you want to turn the High Altitude

2.

Press

to highlight High Altitude Mode and

Mode on?

 

press / to select On. A confirmation message displays.

3.Highlight Yes and press Mode/Enter.

Yes No

Operation under "High Altitude Mode" may cause a higher decibel operating noise level because of increased fan speed necessary to improve overall system cooling and performance.

If you use this projector under other extreme conditions excluding the above, it may display auto shut-down symptoms, which is designed to protect your projector from over-heating. In cases like this, you should switch to High Altitude Mode to solve these symptoms.

However, this is not to state that this projector can operate under any and all harsh or extreme conditions.

Adjusting the sound

The sound adjustments made as below will have an effect on the projector speaker. Be sure you have made a correct connection to the projector audio input. See "Connection" on page 17 for how the audio input is connected.

Muting the sound

To temporarily turn off the sound:

1.Press Menu/Exit and then press / until the SYSTEM SETUP: Advanced menu is highlighted.

2.Press to highlight Audio Settings and press Mode/Enter. The Audio Settings page displays.

3.Highlight Mute and press / to select On.

Adjusting the sound level

To adjust the sound level:

1.Repeat steps 1-2above.

2.Press to highlight Volume and press / to select a desired sound level.

Turning off the Power on/off ring tone

To turn off the ring tone:

1.Repeat steps 1-2above.

2.Press to highlight Power on/off ring tone and press / to select Off.

The only way to change Power on/off ring tone is setting On or Off here. Setting the sound mute or changing the sound level will not affect the Power on/off ring tone.

Operation 39

Page 39
Image 39
BenQ MP623, MP624 user manual Operating in a high altitude environment, Muting the sound, Adjusting the sound level

MP624, MP623 specifications

The BenQ MP623 and MP624 are compact and versatile projectors that cater to various presentation needs in both professional and educational settings. These projectors are designed to deliver high-quality visuals coupled with user-friendly features, making them ideal for business meetings, classrooms, and small to medium-sized venues.

One of the standout features of the MP623 and MP624 is their impressive brightness output. With a brightness of up to 2500 ANSI lumens, these projectors ensure clear and vivid images, even in well-lit environments. The 2000:1 contrast ratio further enhances image quality, providing deeper blacks and more vibrant colors, which is essential for creating engaging presentations.

Both models utilize DLP (Digital Light Processing) technology, known for its reliability and high performance. DLP technology minimizes the risk of color degradation over time, maintaining consistent image quality. This technology also enables the projectors to produce sharp images with smooth motion, making them suitable for displaying video content as well as static presentations.

The MP623 and MP624 come equipped with a native resolution of XGA (1024 x 768), which is ideal for displaying standard presentations and graphics. They also support multiple resolutions, allowing for flexibility in different usage scenarios. The projectors are compatible with various input sources, including HDMI, VGA, and composite video, making it easy to connect to laptops, desktops, and other multimedia devices.

Portability is another key characteristic of the MP623 and MP624. Weighing in at just a few kilograms, these projectors are lightweight and easy to transport, perfect for professionals on the go. Their compact design does not compromise on performance, and they can be quickly set up in different environments, from conference rooms to classrooms.

User-friendly features are also prominent in these models. The intuitive menu system and remote control make it simple to navigate through settings and customize presentations. Furthermore, the inclusion of various preset modes allows users to optimize their viewing experience according to the content being displayed, whether it be text, graphics, or video.

In addition to their impressive technology and features, the MP623 and MP624 are designed with longevity in mind. They are equipped with long-lasting lamps, offering extended usage hours and minimizing maintenance costs. The efficient cooling system helps prolong lamp life while ensuring quiet operation, which is critical during presentations.

In conclusion, the BenQ MP623 and MP624 projectors combine portability, high brightness, and advanced DLP technology, making them excellent choices for professionals and educators seeking reliable and versatile projection solutions. With their user-friendly features and quality image output, these projectors are well-suited for a wide range of applications, enhancing presentations in any setting.