PHILIPS Respironics Trilogy 202 User Manual page 92

Apnea
This setting enables or disables the apnea alarm. If enabled, an
audible alarm will sound when an apnea is detected.
You can choose Off to disable the alarm. Or, you can increase or
decrease the setting from 10 to 60 seconds in 5 second increments.
For example, a setting of 10 means that the alarm will sound if the
time between spontaneous breaths exceeds 10 seconds.
Low Vte
This setting enables or disables the Low Vte alarm. The alarm
activates when the estimated exhaled tidal volume is less than or
equal to this setting. You can choose Off to disable this alarm, or you
can increase or decrease the setting from 40 ml to 2000 ml in 5 ml
increments. It cannot be set higher than the High Vte setting.
When AVAPS is On, the alarm activates when the calculated tidal
volume is less than 90% of the target tidal volume setting. This alarm
can be set to on or off.
High Vte
This setting enables or disables the High Vte alarm. The alarm
activates when the estimated exhaled tidal volume is greater than or
equal to this setting. You can choose Off to disable this alarm, or you
can increase or decrease the setting from 50 ml to 2000 ml in 5 ml
increments. It cannot be set lower than the Low Tidal Volume setting,
except to be turned off.
Low Vti
This setting enables or disables the Low Vti alarm. The alarm activates
when the measured inhaled tidal volume is less than or equal to this
setting. You can choose Off to disable this alarm, or you can increase
or decrease the setting from 40 ml to 2000 ml in 5 ml increments. It
cannot be set higher than the High Vti setting.
Note: The High and Low Vte
alarms are available when the
Passive or Active Flow Circuit is
selected.
Note: The High and Low Vti
alarms are only available when
the Active PAP Circuit is selected.
Chapter 5 Viewing and Changing Settings
83