16.3. How to change the duration of a public broadcast message

So you want the public broadcast message to show for a longer/shorter period? There is a simple solution (see How to change the duration of a public broadcast message):

You can increase the time the message will be displayed by editing the following lines in mainfile.php:

$ref_date = $tdate+600;

and

setcookie("p_msg",$mid,time()+600);

Adjust the 600 to a value that matches the time you want the message displayed.