DM DOC 040 Rev 1.0
USER INTERACTION TO IMPLEMENT PI DELTA ALARM
The PI Delta Alarm function is enabled in D-MAS by the following method:
1. Select the ALARMS menu from the main menu page.
2. Select PI Delta check box.
3. The PI Delta Alarm menu will be displayed and the user can select from the following entries:
If the PI Delta parameter is greater (more negative) than the configured PI Delta Alarm,
then the
D-MAS will make a MEDIUM priority alarm tone, and post an alarm message as follows:
PI DELTA = ##% where ## is equal to the current PI Delta percentage and updates real time.
The PI trend graph will also display.
If the Alarm Suspend key is pressed during this alarm, the tone shall be silenced and not returned
when the Alarm Suspend time expires unless the condition is removed and then returns. The
message will remain on the screen until the Alarm condition is removed.
Alarm settings
PARAMETER
MENU ITEM
DESCRIPTION
DESAT INDEX ALARM
DESAT
THRESHOLD
The Desat Threshold can be set in the range
of 2%to 10% in 1% increments. Default is 4%
DESAT INDEX
TIME
The Desat Index Time can be set in the range
of 1hr to 4 hrs in 1-hr increments. Default is 1
hr.
DESAT INDEX
ALARM
The Desat Index Alarm can be set in the
range of1 to 25 desaturations. Default is OFF.
PI DELTA
ALARM
SET BASELINE
The Set Baseline can be turned on by
selectingSET. Selecting OFF disables the
alarm. Default is OFF.
PI DELTA %
CHANGE
The PI Delta % Change can be set in the
range of 10% to 100%. Default is 50%.
PI DELTA
TIMEOUT
The PI Delta Timeout can be set in the range
of the following increments: 1 min, 5 min, 30
min, 1 hr. 4 hr, 8 hr, 12 hr, 24 hr, 36 hr, 48 hr
and NONE. Default is NONE.
PI DELTA
BASELINE
The PI Delta Baseline displays OFF, the
current PI baseline or TIMEOUT.
NOTE:
This is a Read Only display and not
user interactive
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