Table of Contents
Safety (FCC INFORMATION FOR USER)

Table of Contents ………………………………………………………………… 1

1. Getting Started ………………………………………………………………… 3

1-1. Safety Warning ………………………………………………………………���…… 3
1-2. About U900 ………………………………………………………………………… 5
1-3. Package Contents ………………………………………………………………… 7
1-4. Tour of U900………………………………………………………………………… 8
1-5. Summary of Basic Control ………………………………………………………… 12
2. Connecting to PC ………………………………………………………………………… 13
2-1. Installing Joy Tone Manager (for Font & Firmware Upgrade) ………………… 13
2-2. Software Installation ……………………………………………………………… 15
2-3. Connecting to PC …………………………………………………………………… 16
2-4. File Management …………………………………………………………………… 18
1. Uploading/Downloading Files ………………………………………………… 18
2. Removing USB Connection …………………………………………………… 19
3. Basic Functions …………………………………………………………………………… 20
3-1. Basic Operation …………………………………………………………………… 20
1. Changing Mode ………………………………………………………………… 20
2. Navigation ……………………………………………………………………… 20
3. Deleting Folders/Files ………………………………………………………… 22
4. Menu Functions ………………………………………………………………… 23
5. Hold ……………………………………………………………………………… 23
3-2. Listening to Music ………………………………………………………………… 24
3-3. Listening to FM …………………………………………………………………… 26
3-4. FM Recording ……………………………………………………………………… 29
3-5. Voice Recording/In-line Encoding ………………………………………………… 30

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Table of Contents

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4. Useful Features ……………………………………………………………… 31

4-1. Playlist (m3u support) …………………………………………………………………… 31
4-2. Creating a Playlist ………………………………………………………………………… 32
4-3. Formatting ………………………………………………………………………………… 32
4-4. Joy Tone Manager Program …………………………………………………………… 33

5. Menu Configuration …………………………………………………………… 40

5-1. Menu Structure …………………………………………………………………………… 40
5-2. Configuring Menu in Playback Mode …………………………………………………… 41
5-3. Configuring Menu in FM Mode ………………………………………………………… 47

6. Miscellaneous ………………………………………………………………… 49

6-1. Inserting a Battery ………………………………………………………………………… 49
6-2. Troubleshooting ………………………………………………………………………… 50
6-3. Technical Specification ………………………………………………………………… 51