Flyron FN-BC20, User Manual, Page: 6 / 19

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Flyron Technology Co., Ltd. 20 Channel M P3 Sound Board
6
3.3. Triggering Mode Selection
By using the on-board DIP switches, users have 4 triggering modes to choose from:

Pulse interruptible

Level hold

Pulse Uninterruptible

Play/Pause
The DIP switches are placed in the center of circuit board and a truth table for the DIP switch is a printed on the circuit b oard just
right of the DIP switches. The truth table is also shown below.
DIP Switch Stat us
Triggering Mode
No.1 No.2
OFF OFF Pulse Interruptible
ON OFF Level Hold
OFF ON Pulse Uninterruptable
ON ON Play/Pause

Pulse interruptible: In this mode, a single negative pulse will start and stop playback . It is possib le to
interrupt the playb ack b y pressing the same button used to activate it. Once playback is stopped, pressing
the button again will restart the sound file. (If more than one audio file is in the folder. The next audio file to
be played will b e picked/chosen at random.)

Level hold: In this mode, the negative pulse must be held/maintained to the sound board trigger for audio
file to complete.
The audio file will only playback while b utton, or negative pulse, is held/maintained during
playback. Once the button being held, or negative pulse, is removed, the p layb ack will b e
stopped/cancelled. (If more than one audio file is in the folder. The next audio file to be play will be
picked/chosen at random. Regardless if the last/previous audio file was completed.)

Pulse Uninterruptible: In this mode, it's not possible to interrupt the playback . Once an audio file is triggered.
The audio file will not b e able to b e stopped/cancelled during playback. The playback will only end when
the audio file has played in its entirety. (If more than one audio file is in the fol der. The next audio file to b e
play will b e picked/chosen at random.)

Play/Pause: In this mode, a single negative pulse will start and pause the playback . Once an audio file is
triggered. Pushing the same button, or reapplying a negative pulse, that triggered the playback, will pause
playback; pushing the same b utton, or reapplying a negative pulse, will to continue the original audio file
playback .
Note: The factory default triggering mode is “pulse interruptible". After you shift to another triggering mode, you need to power
cycle the b oard on-off-on, then the new DIP switch setting will b e executed.