Operation (XG)
Operation (5-Lead, 5L, LT and XG)
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0070-00-0420
Passport 5-Lead, 5L, LT, XG Service Manual
B. Heart Rate Fault Alarm
The Heart Rate Fault Alarm occurs if the selected heart rate source is no longer able to detect
a heart rate. This may be due to an ECG lead fault, a problem with an SpO
2
sensor, or
various other reasons. This alarm is only active if a low heart rate limit is set. The alarm
operation is the same as for a parameter alarm. The heart rate value will be dashes (“—-”)
and inverted. A further message from a lead fault or SpO
2
fault may be present to help
diagnose the problem.
NOTE:
Only the value displayed in the heart rate window is used
to determine heart rate alarm conditions.
C. Apnea Alarm
The Apnea Alarm is active when the respiration function is enabled. The Apnea alarm is
violated when a breath is not detected for a longer period of time than the apnea delay
specified in the Alarm Menu. The alarm operation is the same as for a parameter alarm.
D. General Alarms
•
ALARMS OFF
- If alarms are not set on any one parameter, an alarm bell off symbol will
be displayed next to the numerical data for that parameter.
NOTE:
Both the high and low alarm must be set for a particular
parameter for the bell symbol to go away.
•
VOLUME KEY
- Increases or decreases the intensity of the alarm.
•
ALARM MUTES
- One or more alarms can be muted for either a period of 2 minutes or
indefinitely. The following is a description of how to enable the different mute modes.
SINGLE MUTE
- Any current alarm can be muted for 2 minutes by pressing the MUTE
key (18). Any new alarms that occur, while in this mode, will disable the mute and
sound the alarm. An alarm mute symbol (a loudspeaker with a cross through it) is
displayed next to each muted alarm. The word MUTE is displayed above the menu
selections area during this time. This mode will expire after 2 minutes or by pressing the
mute key again.
ALL MUTE
- All alarms can be suspended for 2 minutes by pressing and holding the
MUTE key (18) for 3 seconds. Any new alarms that occur, while in the all mute mode,
will not sound the alarm. All alarms suspended is indicated by displaying the alarm
mute symbol in reverse graphics. The words ALL MUTE are displayed above the menu
selections area during this time. This mode will expire after 2 minutes or by pressing the
mute key again.
AUDIO ALARM STANDBY MODE
- This feature can only be enabled in the User
Configuration Menu. Refer to the table below for a description of the three choices
“OFF”, “ON”, or “ON and ACTIVE on Power up”. This feature allows alarms to be
suspended indefinitely by pressing and holding the MUTE key for 4 seconds. This is
indicated by a flashing alarm mute symbol in all parameter windows and a flashing
“Aud Alm Sby” message is displayed above the menu selections. When in this mode,
press MUTE to re-activate alarms.
Alarm Bell
Off Symbol
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