Trigger Mode Selection - Flyron Technology FN-BC20 Mini Manual

Flyron Technology Co., Ltd.
3. Operation Guide

3.1. Trigger Mode Selection

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
together with the audio files/folders in the root directory of the on-board flash memory or the micro SD card. Please refer to
the sheet below about the digits and the associated trigger modes.
Digit in file "read.cfg"
0
1
2
3
 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 9 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 play back while button, or negative pulse, is
held/maintained. Once the button being held, or negative pulse, is removed, the playback will be stopped/
canceled. Once the button is kept holding, when the playback of the audio file is finished, it will start to play
it repeatedly(loop playback).
Pulse non-interruptible one-on-one playback: In this mode, a single negative pulse will start playback. It's

not possible to interrupt the playback by pressing the same button or the other buttons. Once an audio file
is triggered, the audio file will not be able to be interrupted/canceled during playback. The playback will
only end when the audio file has played its entirety.
Standard MP3 key mode playback: In this mode, only the buttons between K1 and K4 are valid. These 4

buttons will be functioned as Previous, Next, Play/pause, and Stop respectively. In this case not like the
other 3 trigger modes above, more than 20 audio files can be placed.
For example, if the trigger mode of level hold loop playback is needed, firstly build a new text file on the computer, and simply
enter the digit "1" as below, and save the file.
www.flyrontech.com
FN-BC20 Mini MP3 Sound Playback Board
Corresponding Trigger Mode
Pulse interruptible one-on-one playback
Level hold loop playback
Pulse non-interruptible one-on-one playback
Standard MP3 key mode playback
3
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