Welch Allyn 1500 Patient Monitor v.1.4.X - User Manual - Manual (Page 37)

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Alarms
Display of alarms
During initial powerup
No alarms are displayed if no patient is being monitored.
During monitoring
There are three alarm priorities:
Alarm type Priority LED visual alarm
indicator Audible signal Display
Technical Low Blue Single deep tone
every 2 seconds Text display in the alarm status field at the
bottom.
Parameter Medium Yellow (flashes with
parameter field) Two tone high/low
every second. Text display in the alarm status field at the
bottom.
Yellow flashing parameter field.
Parameter High Red (flashes with
parameter field) Three high tones
every second. Text display in the alarm status field at the bottom
Red flashing parameter field.
Lethal High Red (flashes with
parameter field) Three high tones
every second. Text display in the alarm status field at the bottom
Red flashing parameter field.
Visual alarm indicator
Text Display
Parameter Field