Chapter 9 Troubleshooting

This chapter describes problems you may encounter while using DC120. If you have questions, please refer to related chapters and follow all the suggested solutions. If the problem still occurred, please contact our distributors or service center.

No.

 

Problems

 

 

Solutions

1

 

Boot without power

 

Ensure that the USB cable is connected.

 

 

 

signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

Unable to focus

 

Probably the document is too close. Pull away the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

distance between document and lens, then click

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[FOCUS].

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

DC120 cannot

 

Probably the machine cannot operate normally due to

 

 

 

operate normally

 

that the power supply of the USB port at the front end of

 

 

 

 

 

 

 

 

 

 

the computer is insufficient. Try to connect to a USB port

 

 

 

 

 

 

 

 

 

 

at the rear end or a USB hub with a power adapter.

4

 

Cannot identify

 

Outdated or incomplete OS versions might not be able to

 

 

 

DC120

 

identify USB devices like DC120. Please use Windows

 

 

 

 

 

 

 

 

 

 

XP SP2 or newer versions that are compatible.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

Output screen is

 

 

By default, the voltage/frequency value of LadibugTM is

 

 

 

 

 

 

 

flickering

 

 

 

60Hz. If voltage/frequency of 50Hz is required in your

 

 

 

 

 

 

 

 

 

 

 

 

 

country, flickering of screen may occur when the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LadibugTM is used. Please refer to the LadibugTM User’s

 

 

 

 

 

 

 

 

 

 

 

 

Manual to change the POWER frequency setting to 50Hz.

 

 

 

 

 

 

 

 

 

 

 

6

 

 

Digital Zoom is

 

 

Please click Options to make sure whether

 

 

 

 

 

 

disabled

 

 

Software Mode is on Annotation Mode. For details,

 

 

 

 

 

 

 

 

 

 

 

please refer to the User’s Manual of LadibugTM.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

English - 31

Page 32
Image 32
Lumens Technology DC120 user manual Troubleshooting, Focus

DC120 specifications

Lumens Technology has made significant strides in the realm of visual presentation and communication solutions, and one of its standout products is the DC120 document camera. This innovative device has garnered attention for its advanced features, versatile applications, and exceptional performance, making it an invaluable tool for educators, presenters, and business professionals alike.

The Lumens DC120 boasts a sleek and compact design that enhances portability and ease of use. Weighing just under two pounds, it is lightweight enough to be transported easily between classrooms or meeting rooms, ensuring that users can present their materials without being encumbered by bulky equipment. The adjustable arm and flexible camera positioning provide added convenience, allowing for a variety of angles and perspectives when capturing documents, objects, or even 3D items.

One of the key features of the DC120 is its high-quality imaging capabilities. With a maximum resolution of 1920 x 1080 pixels, this document camera delivers sharp, crystal-clear images that can be projected or recorded with remarkable clarity. The integrated LED lights enhance visibility, making it suitable for use in various lighting conditions. Users can also capture and share still images and videos in real-time, which is particularly beneficial for educational settings where immediate feedback is essential.

The device employs advanced image processing technology, which includes features like automatic focus, white balance adjustments, and exposure control. These automatic settings enable users to concentrate on their presentations without needing to worry about technical specifications.

Another notable characteristic of the Lumens DC120 is its compatibility with multiple devices. The camera can connect seamlessly to computers, projectors, and other display systems through USB and HDMI outputs, making it a versatile addition to any AV setup. This flexibility allows educators to integrate the camera into existing teaching tools and presentations effortlessly.

For user convenience, the DC120 also includes straightforward controls and user-friendly software, making it accessible to individuals of all technical abilities. Whether in a classroom or a boardroom, Lumens has designed the DC120 to facilitate collaboration and enhance audience engagement through its multifunctional capabilities.

In summary, the Lumens Technology DC120 document camera stands out with its combination of portability, high-resolution imaging, and ease of use. It is an essential tool for anyone seeking to elevate their presentations and engage their audiences effectively. With advanced technologies and thoughtful design, the DC120 offers limitless possibilities in the world of visual communication.