I believe that within JS > ds_page.js there is an adjustment that can be made to increase/decrease the amount of time in-between the display page’s heartbeat. Within the file you should see “…load|10000|setInterval…” Change 10000 to another time in milliseconds (like “300000” for 5 minutes) to change the heartbeat.

If modifying the plugin code isn’t for you want this workaround works for changing the heartbeat (although it may not the best):

// Workaround for Playlist Heartbeat
jQuery(window).load(function () {
// Clear all heartbeats
id = window.setInterval(() => {}, 0);
while (id) {
window.clearInterval(id);
id–;
}
// Redefine ds_update_page heartbeat
// 300000 == 5 minutes
setInterval(ds_update_page,300000);
});