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Fire Protection/Public Address System
Application of File Format of USB Disk
1. This system supports a USB disk, mobile HDD or USB card reader (hereinafter collectively referred to as the
USB storage) utilizing a general USB interface. The maximum bit rate of an MP3 file is 320kbps. Audio files in
non-.MP3 format cannot be played. In case that a track cannot be played, check whether it is as specified.
Supports FAT12, FAT16 and FAT32 file system.
2. To improve the operation speed and optimize management, it is recommended that the USB disk or mobile HDD
used only store .MP3 files other than files in other format, so as to facilitate the access of files and schedule
programming.
3. Up to 99 primary directories can be created in the root directory, in each of which up to 99 tracks can be stored.
Also, up to 99 tracks can be stored in the root directory. It is not necessary to create a secondary directory in a
primary directory; otherwise, tracks in the secondary directory cannot be read. Tracks can be stored in a USB disk
by three methods as follows: Tracks can be stored in a USB disk by three methods as follows:
Ø
Create no directory, and store all tracks in the root directory. This method facilitates track selection, but only
99 tracks can be stored. Note: To select a track in the root directory, the directory number should be set
as "00", e.g
00 \ 03
Ø
Store all tracks in primary directories. By this method, tracks can be stored by classification, and up to
99x99 tracks can be stored.
USB storage
Appendix
.
01.MP3
02.MP3
USB storage
99.MP3
01.MP3
02.MP3
Directory 1
99.MP3
01.MP3
02.MP3
Directory 99
99.MP3
14
Multi-function Player
PA7235
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