Audible Indicators
An audible indicator sounds whenever a power failure or a high, medium, or low priority alarm is detected. Additionally, an audible indicator sounds for informational messages and to confirm that certain actions have occurred (for example, when an SD card is inserted or removed from the device).
•• Ventilator Inoperative Audible Indicator – When a ventilator inoperative alarm occurs, a continuous audible alarm sounds. The alarm descriptions later in this chapter display this indicator as: 
•• Power Failure Audible Indicator – When a power failure
occurs, a series of beeps sounds in a 1 beep pattern, repeating one second on, then one second off. The alarm descriptions later in this chapter display this indicator as:
• •
•• High Priority Audible Indicator – When a high priority alarm is detected, a series of beeps sound in the following pattern, which is repeated twice: 3 beeps, a pause, and then 2 more beeps. This indicator continues until the cause of the alarm is corrected or the audible alarm is paused. The alarm descriptions later in this chapter display this indicator as:
• • • • • | • • • • • |
•• Medium Priority Audible Indicator – When a medium priority alarm is detected, a series of beeps sound in a
•• Low Priority Audible Indicator – When a low priority alarm is detected, a series of beeps sound in a
• •
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Note: For the alarm indicators noted throughout this manual, each “dot” represents an audible beep.
Chapter 6 Ventilator Alarms
