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Using the Avant™ 4000 Digital Pulse Oximetry System
Alarm Silence Button
This button toggles the alarm between silenced and audible. Pressing
the Alarm Silence button will silence the alarm for two minutes.
Alarm Limits Button and Indicator
This button displays the upper and lower limits for alarm indications
for SpO
and heart rate measurements. These limits can be adjusted
2
using the Plus (+) and Minus (-) buttons. The Alarm Limits button
cycles users through the display unit's alarm settings, allowing users to
both set and review alarm limits.
The upper LED on the Alarm Limits button indicates the upper
alarm limit, and the lower LED indicates the lower alarm limit.
Plus Button and Minus Button
These buttons adjust values for many functions. The Plus and Minus
buttons are used to adjust time, date, volume, and upper and lower
alarm limits. Pressing either of these buttons alone, when the display
unit is not in any setting mode, adjusts the intensity of the LED
displays. These buttons are also used to select from multiple wrist-
worn patient modules during pairing.
Memory Button
This button is used to enter Memory Playback mode.
Bluetooth Control Button
™
Press and hold this button while turning on the display unit to begin
the device pairing process. A maximum of five "pairable" patient
modules may be displayed separately, with the device identification
number appearing in the pulse rate and SpO
display area. While five
2
devices may be shown, only one may be selected (paired).
Select the patient module you want to pair with by using the Plus or
Minus buttons to scroll through the available modules. When the
identification number of the patient module you wish to pair with is
shown—and is not flashing—press the Bluetooth Control button again.
When the pairing process is complete, normal operation resumes
automatically. After the device is paired to a patient module, it will
remain paired until the above process is repeated.
During normal operation, pressing the Bluetooth Control button
displays the selected patient module's device identification number
for three seconds in the pulse rate and SpO
display area. See "Device
2
Pairing" for more information.
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