Flyron Technology Co., Ltd.
FN-A501 Programmable MP3 Player Siren / Alarm Speaker
E-mail: [email protected]
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1. Features
Built-in a high quality MP3 player with great sound quality.
Incorporated with a 4MB flash memory and a micro SD slot on board.
Upload MP3 files to the flash memory easily through the micro USB port on computer.
Supports a micro SD card as the storage device as well.
Play back 4 sounds one-on-one by negative trigger.
Equipped with a 15 watts amplifier for a loud sound output.
Adjustable sound volume and wide range power input.
Dimensions: 99x80x80(mm)
2. Electrical parameters
Working voltage: DC 9V-24V
Working Current: 1000mA
Power Consumption: ≤15W
Flash memory size: 4MB
Audio format: MP3 format 32Kbps-320Kbps
3. Option of Trigger Modes
There are 4 trigger modes available for users to choose according to the actual needs. Any of these 4 trigger modes
can be set/acquired through a configuration file named “read.cfg”, which comes from a text file(.txt) originally. Users
just need to fill in a digit/parameter that is corresponding to a trigger mode in a new built text file. Save it and
rename it “read.cfg”, then put it in the root directory of the micro SD card or the flash memory together with the 4
audio files. Please refer to the sheet below about the digits and the associated trigger modes.
Pulse interruptible one-on-one playback: In this mode, a single negative pulse will start playback
.
It is possible to interrupt the playback by pressing the same button used to activate. Once
playback is interrupted, it will automatically restart the audio file immediately. It’s also
possible to interrupt the play back by pressing any of the other 3 buttons. Once playback is
interrupted, it will automatically start the sound that is associated with the button pressed.
Level hold loop playback: In this mode, the negative pulse must be held/maintained to the
sound module trigger for audio file to complete. The audio file will only playback while button,
or negative pulse, is held/maintained during playback. Once the button being held, or
negative pulse, is removed, the playback will be stopped/cancelled. Once the button is kept
Digit in file “read.cfg”
Corresponding Trigger Mode
0
Pulse interruptible one-on-one playback
1
Level hold loop playback
2
Pulse non-interruptible one-on-one playback
3
Standard MP3 key mode playback
