Appendix B. Upgrading Firmware

What is firmware?

Firmware is a program in the hardware and activates various hardware functions.

By upgrading firmware, the product performance can be greatly enhanced and bugs can be corrected.

Do not disconnect USB cable during upgrading of firmware. If this happens, iAUDIO will not work properly.

Requirements of firmware upgrade

Firmware upgrade can only be possible when iAUDIO driver is properly installed to the user’s computer and also when JetShell can communicate with iAUDIO without any problems. If JetShell is not working properly, please refer to Appendix A.

Checking the firmware version

Check the current version of iAUDIO to find out whether the firmware version needs to be upgraded.

If the firmware version is identical, you don't need to upgrade it.

To confirm the firmware version, check the number which appears on the lower right of the LCD window when you turn on the power. Number such as 0:03:50 indicates that the current firmware version is 3.50. Firmware version is displayed also on the LCD when iAUDIO is connected to your PC.

Preparation before downloading and installing firmware

1.Download the latest firmware file provided in iAUDIO web-site(http://www.jnc-digital.com). Unzip the downloaded file in a temporary folder (for example, C:\Temp) where you can find easily, by using a zipping utility like the Winzip.

2.Make sure the battery is inserted in iAUDIO.

3.Connect the USB cable to iAUDIO. The "PC Connected" message appears on the LCD.

4.If the JetShell is running, shut it down.

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CW300

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Cowon Systems CW300 user manual Appendix B. Upgrading Firmware, What is firmware?, Requirements of firmware upgrade

CW300 specifications

The Cowon Systems CW300 is a remarkable product that showcases the company's commitment to innovation in the realm of technology. Designed for those who demand high-quality performance, the CW300 stands out with its robust features and cutting-edge capabilities.

One of the main highlights of the CW300 is its impressive audio quality. Cowon Systems has a historical reputation for engineering devices that deliver crystal-clear sound, and this model is no exception. The CW300 is equipped with advanced audio codecs and digital signal processing technology that enhance the listening experience, making it suitable for audiophiles and casual listeners alike.

The device's design is both sleek and functional. Its compact form factor makes it portable, allowing users to enjoy music on the go. The CW300 is built with a high-resolution display that makes it easy to navigate through menus and playlists. The touch-responsive interface further enriches the user experience, providing smooth transitions and easy access to settings.

Connectivity is another key feature of the CW300. It supports multiple connectivity options, including Bluetooth and Wi-Fi, which enables seamless pairing with headphones and other devices. This versatility makes it a practical choice for users who enjoy streaming music or accessing online content.

Moreover, the CW300 is equipped with an impressive battery life, ensuring that users can enjoy hours of entertainment without the need for frequent recharging. This is particularly beneficial for those who travel or spend long hours away from a power source.

The device also includes additional features like voice recording, FM radio, and customizable equalizer settings, allowing users to tailor their audio experience to their preferences. The inclusion of various audio profiles ensures that users can optimize their listening according to different music genres.

In summary, the Cowon Systems CW300 is a well-rounded device that combines high-quality audio with user-friendly features. Its advanced technologies and compact design make it an appealing choice for anyone looking to enhance their listening experience, whether at home or on the move. With its combination of audio performance, reliable connectivity, and a variety of features, the CW300 continues Cowon Systems' legacy of excellence in portable audio solutions.