To activate the audio files on the VS4820, you’ll create an event with the “TONE/VOICE/BELL ALERT” type. For
the tone, select #11 and up for the custom audio files you have loaded. The first custom file is 11, second is
12 and so on. (The default built in audio files are #1-8, and can be found on our site under Audio Samples.)
You can also load the files on the VS4820 and play as a live audio transmission with the wireless PA speaker
type. When programming the event, instead of choosing live as the mode, you’ll select PPM-xx, where the xx
is the number of the audio file. You can record and listen to your own messages on the VS4820 unit itself in
the setup menu.
Note that the unit will not send alarm messages while transmitting live audio, as the system prioritizes live
audio over message activation. For this reason, we recommend uploading the custom audio to the speakers
themselves, and just having the VS4820 send the command to activate them.
With the older VS4810 and VS4500 systems, you’ll need to send a command that tells the speakers what audio
file to play, and how to play it. The command will be sent to an ALPHANUMERIC or ALPHA PAGER type device
ID. (Usually #300 by default to activate all speakers). This is the Generate Message command, formatted as:
GMTTDVPR
• GM: Generate Message. Needs to be in front of the command, this tells units what type of command
it is.
• TT: This is the two-digit number of the audio file you wish to play. You can find the built-in audio files
on our website in Resources> Audio Samples> Built-In Audio Files. For example, if you want to play the
D2 tone, it would be “02”.
• D: Duration, 1-9. This makes the audio file play again with no delay, and can make certain tones sound
longer. We recommend just leaving this set to 1.
• V: Volume, 1-4. 1 is 25% volume, 2 = 50%, 3 = 75%, 4 = 100%.
• P: Pause, 1-9. How many seconds you would like to pause between repeating the message. 2 seconds
is the most common.
• R: Repeats, 1-9. How many times you want it to play the message. You can also use the letter A for 20
repeats, B = 60, C = 120, and D = 240.
So, for example, you can use GM021323. It will play audio file #02, (the two-beep tone) with 1 duration, 75%
volume. It will play it 3 times, with a 2 second pause between repeats.
Also, with the GM commands, there are two optional digits you can have on the end of that command making
it an 8-digit command. Those are used to play a tone before the audio file. For example, if you wanted to play
the “evacuation emergency” message, with a two-tone beep in front of the message you would add “21” to
the end of the command. The first digit, #2 is the number of the tone it plays, the second digit #1 is for how
many times to play the tone. So, the command would be GM04132321. This feature does not work on some
older units.
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