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Using the 9847V Pulse Oximeter
Audible Alarm Disabled Indicator
If the device is turned on with the audible alarms permanently disabled, the yellow Audible
Alarm Disabled indicator is steadily lit. If the audible alarms are temporarily disabled, the
Audible Alarm Disabled indicator blinks.
After the 9847V is turned on (and after exiting the setup mode, if applicable) and until a
pulse oximeter or CO
2
indicator blinks (or remains steadily lit if the audible alarms are permanently disabled).
The Audible Alarm Disabled indicator cannot be turned off until a sensor is plugged in. (Until a sensor
is detected, this is the device's only lit indicator. It provides an "on" indication to the user.) If the audible
alarms are not disabled, a 2-minute "temporarily disabled" timer starts the first time a sensor is
plugged in after power on. See "Disabling the Audible Alarms" on page 20 for additional information.
Audible Indicators
CAUTION: Do not block the audible indicator speaker holes. Blocking the speakers
!
will significantly reduce the sound volume.
CAUTION: Verify the audible alarms can be heard over the ambient noise of the
!
operating environment.
Audible indicators include medium priority (equipment) alarms, high priority (animal) alarms, and
informational tones (breath beeps). For information on disabling the audible alarms, see "Disabling
the Audible Alarms" on page 20.
Breath Beep
When the detected CO
and the audible breath beep sounds. One beep is sounded for each breath detected. The breath
beeps will only sound during the quiet part of an alarm burst sequence.
The "variable pitch" (fixed pitch "off") breath beep is the default setting at setup. During variable pitch
breath beep, the tone of the breath beep is indexed to the number of bars lit on the CO
The more bars lit, the higher the pitch. In variable pitch mode, breath beeps sound at inspiration (on
the falling edge of the CO
However, if desired, the "fixed pitch" breath beep (fixed pitch "on") can be selected at setup. The fixed
pitch breath beep has a pitch higher than the highest bar graph-indexed pitch. In fixed pitch mode, breath
beeps sound during exhalation (on the rising edge of the CO
and when changing the breath beep sound volume, beeps sound as fixed pitch.
Each time the 9847V is turned on, the breath beep defaults to the medium sound volume setting.
During normal operation, pressing the Advance button cycles the breath beep volume between low,
medium, high, and off. A "volume" beep will sound each time the Advance button is pressed to indicate
the current setting, unless an audible alarm is in progress.
NOTE: The Advance button will not alter the volume of the medium and high priority audible
alarms.
sensor is plugged in for the first time, the Audible Alarm Disabled
increases (during exhalation) by approximately 5 mmHg, a breath is detected
2
waveform).
2
waveform). During power on initialization
2
bar graph.
2
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