Problem Causes and Suggestions

When properly installed, the Sprint Mobile Broadband USB modem is a highly reliable product. Most problems are caused by one of these issues:

The wrong driver has been installed.

System resources required by the USB modem are being used by other devices.

Network coverage is not available (either because you are outside the network or because of an account or network problem).

This section describes how to diagnose and solve these and other problems. If, after reading this section, you are unable to resolve a problem, please visit www.sprint.com or contact Sprint Customer Service at 1-888-211-4727.

Error: Searching for Sprint Mobile Broadband USB Modem...

The Sprint Connection Manager software interface displays this message: “Searching for Sprint Mobile Broadband USB Modem...”

Possible Causes

Suggestions

a.

The USB modem is not

a.

Check the USB connection.

 

properly connected to the

b.

See “Reinstalling the Sprint

 

computer.

 

Mobile Broadband USB

b.

The wrong driver is installed

 

Modem Driver” on page 64.

 

for the USB modem.

c.

See “Resolving Resource

c.

There is a resource conflict.

 

Conflicts” on page 69.

 

 

 

 

62

Section 2D: Troubleshooting Tips

Page 68
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TOA Electronics U720 manual Problem Causes and Suggestions, Error Searching for Sprint Mobile Broadband USB Modem

U720 specifications

The TOA Electronics U720 is a powerful and versatile public address system designed for a variety of applications, including schools, auditoriums, and large public venues. This amplifier stands out due to its robust build quality, user-friendly features, and advanced technology, catering to both simple and complex audio requirements.

At the heart of the U720 is its outstanding performance capability. It boasts a high output power of 240 watts, ensuring clear and accessible sound distribution even in larger spaces. The unit is equipped with a wide frequency response range, allowing it to reproduce audio with incredible clarity, fidelity, and minimal distortion. This feature makes it ideal for various audio tasks, from announcements to music playbacks.

One of the defining characteristics of the U720 is its flexibility in input options. It comes with multiple microphone and line-level inputs, accommodating a range of audio sources. The ability to connect both dynamic and condenser microphones allows for versatility when it comes to speech and music applications. Additionally, the U720 supports inputs from various devices, making it a practical choice for modern AV setups.

The U720 also integrates advanced sound processing features that enhance audio quality and control. With built-in equalization settings, users can tailor the sound output to suit specific environments, ensuring optimal performance regardless of the acoustics of the space. The amplifier includes a high-pass filter that minimizes background noise, significantly improving intelligibility during speech presentations.

For operator ease, the U720 offers intuitive controls, featuring clear indicators for volume and tone adjustments that facilitate quickly tailoring sound levels. The robust construction of the unit ensures reliability, making it suitable for frequent use in demanding environments.

Furthermore, the TOA U720 is compatible with a variety of optional accessories, enhancing its functionality. From wireless microphones to remote control interfaces, these add-ons allow users to customize the system according to their unique needs.

In conclusion, the TOA Electronics U720 combines power, flexibility, and advanced technology in a user-friendly design. Its high output, versatile inputs, and sound processing capabilities make it an excellent choice for institutions looking to enhance their audio systems. Whether for public speaking or multimedia presentations, the U720 delivers reliable performance and clear sound, meeting the demands of any audio application.