Pressing the Acknowledge Screen button will acknowledge all active alarms Displayed on the screen.
If there are more than 17 alarms (i.e. the number that will fit in the Alarm Group Display at one time), only the first 17 alarms will be acknowledged. The user must use the Scroll Down (or Scroll UP) buttons to view additional Alarms, which will be unacknowledged.
For more information, see Alarms and Alarm Acknowledgement.