The Trouble Shooting Guide enables the user to identify and rectify the simple problems experienced by Silent Alert SA3000 Paging System users.
UM3A Compatible Ringtone
For users who wish to use a UM3A MK10 to monitor a mobile phone this free to download ringtone will work with most mobile phones and is tuned to work with the sound pickup function on maximum audio delay.
Simply right click on the icon and click “save as” then transfer to your phone or access this page on your mobile phone to download the file
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