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5.Firmware upgrade and format memory
6.Firmware
7.Uninstall MP3 management
8.Driver upgradeable and service
Other
1. Troubleshooting
2. FAQ
3. Specifications
1 -1. Features
•Portable and stylish, with key lock function
•Supporting MP3, WMA, WAV files
•
•Graphic LCD screen with blue backlight, support
•Supporting OS: Windows98/ME/2000/XP
•Low power consumption, playing time up to 10 hours with one AAA Alkaline battery
•Support file and folder management system
•Resume play
•Stopwatch function
•6 EQ Modes: Jazz, Classic, Rock, Pop, User defined
•Recording function
•Firmware upgradeable
1-2 Precautions
•Avoid using or placing the player in hot or humid conditions.
•Avoid dropping the player, it may cause serious damage.
•Playing time when battery fully charged as follows:
Battery | Playing Time (Hour) |
Alkaline Battery Size: |
|
AAA | 10 |
1.F155 player uses Alkaline AAA battery. To avoid damaging player, don’t use different type of battery.
2.Please change the battery under following conditions:
1)Indicator 
appears and displays Low Battery signal, then shuts down.
2)No button gives response even after the battery is taken out and reinstalled.
•If not using the player for a long time, remove the battery to prevent damaging it.
•In order to avoid static electricity while playing, please pay attention to the following.
3.If possible, do not use the unit in special dry place.
4.If the unit suddenly stops playing, please turn it on again after turning the power off, or remove battery.